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February 2021

Combinatorial Algebraic Geometry

ag.algebraic-geometry co.combinatorics
2021-02-01 through 2021-05-07
ICERM
Providence, RI; USA

Meeting Type: thematic research program

Contact: see conference website

Description

Combinatorial algebraic geometry comprises the parts of algebraic geometry where basic geometric phenomena can be described with combinatorial data, and where combinatorial methods are essential for further progress.

Research in combinatorial algebraic geometry utilizes combinatorial techniques to answer questions about geometry. Typical examples include predictions about singularities, construction of degenerations, and computation of geometric invariants such as Gromov-Witten invariants, Euler characteristics, the number of points in intersections, multiplicities, genera, and many more. The study of positivity properties of geometric invariants is one of the driving forces behind the interplay between geometry and combinatorics. Flag manifolds and Schubert calculus are particularly rich sources of invariants with positivity properties.

In the opposite direction, geometric methods provide powerful tools for studying combinatorial objects. For example, many deep properties of polytopes are consequences of geometric theorems applied to associated toric varieties. In other cases geometry is a source of inspiration. For instance, long-standing conjectures about matroids have recently been resolved by proving that associated algebraic structures behave as if they are cohomology rings of smooth algebraic varieties.

Much research in combinatorial algebraic geometry relies on mathematical software to explore and enumerate combinatorial structures and compute geometric invariants. Writing the required programs is a considerable part of many research projects. The development of new mathematics software is therefore prioritized in the program.

The program will bring together experts in both pure and applied parts of mathematics as well mathematical programmers, all working at the confluence of discrete mathematics and algebraic geometry, with the aim of creating an environment conducive to interdisciplinary collaboration. The semester will include four week-long workshops, briefly described as follows.

  • A 'boot-camp' aimed at introducing graduate students and early-career researchers to the main directions of research in the program.

  • A research workshop dedicated to geometry arising from flag manifolds, classical and quantum Schubert calculus, combinatorial Hodge theory, and geometric representation theory.

  • A research workshop dedicated to polyhedral spaces and tropical geometry, toric varieties, Newton-Okounkov bodies, cluster algebras and varieties, and moduli spaces and their tropicalizations.

  • A Sage/Oscar Days workshop dedicated to development of programs and software libraries useful for research in combinatorial algebraic geometry. This workshop will also feature a series of lectures by experts in polynomial computations.

May 2021

Harmonic Analysis and Analytic Number Theory

nt.number-theory
2021-05-03 through 2021-08-20
Hausdorff Research Institute for Mathematics
Bonn; Germany

Meeting Type: conference

Contact: see conference website

Description

none

eCHT Mini-course

at.algebraic-topology
2021-05-04 through 2021-05-13
Wayne State University
Detroit, Michigan; USA

Meeting Type: minicourse

Contact: Dan Isaksen

Description

4-hour online mini-course, offered on consecutive Tuesdays and Thursdays at 11:30am Eastern Time.

Speaker: Sander Kupers, University of Toronto Title: An introduction to homological stability

IMA Mathematics 2021 Online Series

gt.geometric-topology gm.general-mathematics at.algebraic-topology ag.algebraic-geometry
2021-05-06 through 2021-05-06
Institute of Mathematics and its Applications
Online via zoom; UK

Meeting Type: conference

Contact: Pamela Bye

Description

For a number of years, the IMA has been running a series of conferences to promote mathematics with the aim of demonstrating to both mathematicians and non-mathematicians the many uses of modern mathematics. Following last summer’s very successful IMA Mathematics 2020 series collaboration with the Newton Gateway to Mathematics, we are pleased to announce two events for 2021 taking place this May. The first talk at the 6 May event will be from Nick Higham who has been awarded the Gold Medal award in recognition of outstanding contributions to mathematics and its applications. This will be followed by Jane Leeks and David Abrahams discussing future developments in mathematical sciences knowledge exchange. (See the event page for further details) On Tuesday 25 May, we will have two talks which feature the work of V-KEMS (Virtual Forum for Knowledge Exchange in Mathematical Sciences). Presentations will feature the work of two very successful virtual study groups, which ran in the earlier this year, on Reducing the Risk of Covid-19 Transmission on Trains and Modelling Solutions to the Impact of COVID-19 on Cardiovascular Waiting Lists. (See the event page for further details).

Programme – 6 May (Full Abstracts can be found at our website) 10.00-11.00 – Nick Higham (University of Manchester) – Gold Medallist Talk - Communicating Applied Mathematics in 2021 11.00-11.10 - Break 11.10-11.55 – David Abrahams and Jane Leeks (Isaac Newton Institute) – Mathematical Sciences in the UK – Future Developments and Directions in Mathematical Sciences Knowledge Exchange

Programme – 25 May (Full Abstracts can be found at our website) 10.00-10.10 – Matt Butchers (KTN Innovate) – Introduction to V-KEMS 10.10-10.40 – Chris Budd (University of Bath) – Reducing the Risk of Covid-19 Transmission on Trains 10.40-11.10 – Alan Champneys (University of Bristol) – Modelling Solutions to the impact of COVID-19 on Cardiovascular Waiting Lists

Registration Registration for both weeks is currently open at https://my.ima.org.uk/. Registration closes on 3 May for Week One and 21 May for Week Two.

If you are an IMA Member or you have previously registered for an IMA conference, then you are already on our database. Please “request a new password” using the email address previously used, to log in.

Fees Non Member – £20.00 per day IMA Member – £15.00 per day Non Student Member– £10.00 per day IMA Student Member – £5.00 per day

The fees go towards covering staff costs, and the cost of software licence fees required to run the conference.

Support The IMA Mathematics 2021 Online Series has been organised in collaboration with the Newton Gateway to Mathematics.

Further information For general conference queries please contact the Conferences Team E-mail: [email protected]

Noncommutative Hodge-to-de Rham degeneration

ag.algebraic-geometry at.algebraic-topology kt.k-theory-and-homology
2021-05-07 through 2021-05-21
University of Warwick
Coventry; UK

Meeting Type: Online short course

Contact: Goncalo Tabuada

Description

I warmly invite you to attend the following short course:

Title: Noncommutative Hodge-to-de Rham degeneration.

Speaker: Dmitry Kaledin (Steklov Institute).

Abstract: I am going to give an overview of the proof of what is known as "non-commutative Hodge-to-de Rham Degeneration Theorem": for any smooth and proper DG algebra over a field of characteristic 0, the Hochschild-to-cyclic spectral sequence degenerates at first term.

Dates: 7, 14 and 21 of May 2021 (Fridays) at 14:00-15:00 (GMT time).

Link: To appear soon. This event is open to all and will be streamed on Microsoft Teams.

Historical context (written by the organizer): In the eighties, Deligne and Illusie (following earlier work of Faltings), gave a purely algebraic proof of the degeneration of the classical Hodge-to-de Rham spectral sequence. Later, in the 00’s, Kontsevich and Soibelman conjectured that the noncommutative Hodge-to-de Rham spectral sequence (where smooth proper algebraic varieties are replaced by smooth proper dg algebras) should also degenerate. Recently, Kaledin proved Kontsevich-Soibelman’s conjecture. Kaledin’s proof makes use of several different tools from algebra, algebraic geometry, representation theory and algebraic topology. Therefore, I believe this short course to be of interest to a broad mathematical audience.

Organizer: Goncalo Tabuada

Rational Points and Galois Representations

nt.number-theory
2021-05-10 through 2021-05-12
University of Pittsburgh
Pittsburgh, PA; USA

Meeting Type: workshop

Contact: Carl Wang-Erickson

Description

This three-day workshop is meant to bring together mathematicians with interest in rational points on algebraic curves, Galois representations, and related topics. Due to Covid-19, it will be occurring online via Zoom.

We are delighted to feature a colloquium presentation by Prof. Kirsten Wickelgren, seven research talks, one coding demo session, and one problem discussion session led by Prof. David Zureick-Brown.

Special Month On Singularities & K-Stability

nt.number-theory ag.algebraic-geometry ac.commutative-algebra
2021-05-17 through 2021-06-11
University of Utah
Salt Lake City, Utah; USA

Meeting Type: Special Month

Contact: Christopher Hacon, Karl Schwede, Chenyang Xu

Description

This is a special month on the Singularities & K-Stability. There will be lecture series on Mixed characteristic vanishing theorems and applications and on Recent progress in K-stability of Fano varieties There will also be seminar-style talks and social activities (at most one talk per day).

RSVP: Rendez-vous on special values and periods

ag.algebraic-geometry nt.number-theory
2021-05-19 through 2021-05-21
École normale supérieure de Lyon
Lyon; France

Meeting Type: Online conference

Contact: Giada Grossi, Riccardo Pengo

Description

The main objective of this conference is to gather together young researchers interested in special values of L-functions and periods.

These objects are at the crossroads of many recent important developments in arithmetic geometry, such as Euler systems or the theory of motives. The different talks will portray the variety of viewpoints with which L-functions and periods are studied at present.

In particular, L-functions of motivic or automorphic origin, both in characteristic zero and in positive characteristic, are linked to periods of very different nature, such as Mahler measures or Feynman integrals. These L-functions are the subject of very deep conjectures (such as the ones put forward by Beilinson and by Bloch and Kato), and their relations with periods are also studied in an experimental fashion (for example in the work of Boyd or Broadhurst).

A particular and very explicit case of the conjectures of Bloch and Kato is given by the celebrated conjecture of Birch and Swinnerton-Dyer (BSD), which will be a central theme of the conference, with a particular focus on the p-adic methods (such as Iwasawa theory, or Euler systems) which have been used to solve the BSD conjecture in some particular cases.

Cornell Topology Festival

gr.group-theory gt.geometric-topology
2021-05-20 through 2021-05-21
Cornell University
Ithaca, NY; USA

Meeting Type: conference

Contact: [email protected]

Description

You are cordially invited to the 56th annual Cornell Topology Festival, which will be held online (for the first and hopefully only time ever!) this May. The main festival takes place Thursday May 20th – Friday, May 21st, 2021, with pre-festival talks on the 4th, 11th, and 18th, and a special colloquium on the 13th. More information about Zoom links, online social events, and discussion will follow for registered participants. We hope you will join us!

Speakers

Pre-Festival

Steve Trettel, Stanford University, 4 May 1pm; Lvzhou Chen, University of Texas Austin, 11 May 1pm; Sarah Koch, University of Michigan, Special Colloquium, 13 May 4pm; Jeremy Hahn, Massachusetts Institute of Technology, 18 May 1pm

20–21 May

Agnes Beaudry, University of Colorado Boulder; Sebastian Hensel, University of Munich; Kate Ponto, University of Kentucky; Manuel Rivera, Purdue University; Federico Rodriguez Hertz, Pennsylvania State University; Nick Salter, Columbia University; Richard Schwartz, Brown University; Matthew Stover, Temple University.

QUANTUM CHAOS AND NUMBER THEORY A conference in honor of Zeev Rudnick's 60 birthday

nt.number-theory
2021-05-23 through 2021-05-27
Tel Aviv University
Tel Aviv; Israel

Meeting Type: conference

Contact: Lior Rosenzweig

Description

The conference “Analytic Number Theory, Quantum Chaos and their Interfaces” aims at gathering distinguished researchers working in either of the disciplines to discuss recent research advances in these fields, and serve as a playground for the exchange of ideas between these, rather diverse, research communities. Another purpose of our conference is to provide a solid educational platform for more junior researchers (PhD students, postdoctoral researchers and early career permanent faculty) who aspire to conduct research in the relevant fields and expose them to some of the outstanding results and open problems as well as to meet other researchers with similar academic interests, with high potential to start new research collaborations. Being a home to Professor Zeev Rudnick, who has contributed greatly to unifying the main subjects of the conference and established some relevant fundamental results in these fields, Tel Aviv University is a natural place for such a meeting to take place.

Curves over Finite Fields

ag.algebraic-geometry nt.number-theory
2021-05-24 through 2021-05-28
Benasque; Spain

Meeting Type: conference

Contact: see conference website

Description

In the fall semester of 1985, Prof. Jean-Pierre Serre taught at Harvard University an extended series of lectures of his course on Rational Points on Curves over Finite Fields , first taught at Collège de France. Fernando Gouvêa's handwritten notes of this course have been spread all around since then. These notes contain the origin and inspiration of most of the works on the topic since 1985: maximal curves, construction of curves from their jacobians, class field towers, asymptotics of the number of points, etc.

At last, these notes have been edited, revised and are going to be published by the Société Mathématique Française in the Documents Mathématiques series. The present workshop will celebrate the publication of these notes. Experts on the topic will explain the main progress since 1985 and will discuss open questions and new techniques on curves over finite fields. Plenary speakers will be asked to write down their talks in order to publish proceedings which will be a natural continuation of Serre’s book.

IMA Mathematics 2021 Online Series

gt.geometric-topology gm.general-mathematics at.algebraic-topology ag.algebraic-geometry
2021-05-25 through 2021-05-25
Institute of Mathematics and its Applications
Online via zoom; UK

Meeting Type: conference

Contact: Pamela Bye

Description

IMA Mathematics 2021 Online Series 6 and 25 May 2021, Online Event via Zoom

For a number of years, the IMA has been running a series of conferences to promote mathematics with the aim of demonstrating to both mathematicians and non-mathematicians the many uses of modern mathematics. Following last summer’s very successful IMA Mathematics 2020 series collaboration with the Newton Gateway to Mathematics, we are pleased to announce two events for 2021 taking place this May. The first talk at the 6 May event will be from Nick Higham who has been awarded the Gold Medal award in recognition of outstanding contributions to mathematics and its applications. This will be followed by Jane Leeks and David Abrahams discussing future developments in mathematical sciences knowledge exchange. (See the event page for further details) On Tuesday 25 May, we will have two talks which feature the work of V-KEMS (Virtual Forum for Knowledge Exchange in Mathematical Sciences). Presentations will feature the work of two very successful virtual study groups, which ran in the earlier this year, on Reducing the Risk of Covid-19 Transmission on Trains and Modelling Solutions to the Impact of COVID-19 on Cardiovascular Waiting Lists. (See the event page for further details).

Programme – 6 May (Full Abstracts can be found at our website) 10.00-11.00 – Nick Higham (University of Manchester) – Gold Medallist Talk - Communicating Applied Mathematics in 2021 11.00-11.10 - Break 11.10-11.55 – David Abrahams and Jane Leeks (Isaac Newton Institute) – Mathematical Sciences in the UK – Future Developments and Directions in Mathematical Sciences Knowledge Exchange

Programme – 25 May (Full Abstracts can be found at our website) 10.00-10.10 – Matt Butchers (KTN Innovate) – Introduction to V-KEMS 10.10-10.40 – Chris Budd (University of Bath) – Reducing the Risk of Covid-19 Transmission on Trains 10.40-11.10 – Alan Champneys (University of Bristol) – Modelling Solutions to the impact of COVID-19 on Cardiovascular Waiting Lists

Registration Registration for both weeks is currently open at https://my.ima.org.uk/. Registration closes on 3 May for Week One and 21 May for Week Two.

If you are an IMA Member or you have previously registered for an IMA conference, then you are already on our database. Please “request a new password” using the email address previously used, to log in.

Fees Non Member – £20.00 per day IMA Member – £15.00 per day Non Student Member– £10.00 per day IMA Student Member – £5.00 per day

The fees go towards covering staff costs, and the cost of software licence fees required to run the conference.

Support The IMA Mathematics 2021 Online Series has been organised in collaboration with the Newton Gateway to Mathematics.

Further information For general conference queries please contact the Conferences Team E-mail: [email protected]

Arithmetic, Geometry, Cryptography and Coding Theory

ag.algebraic-geometry nt.number-theory
2021-05-31 through 2021-06-04
CIRM
Luminy; France

Meeting Type: conference

Contact: see conference website

Description

Our goal is to organise a conference devoted to interactions between pure mathematics (in particular arithmetic and algebraic geometry) and information theory (especially cryptography and coding theory). This conference will be the eighteenth edition, with the first one held in 1987, in a series that has traditionally brought together some of the top specialists in the domains of arithmetic, geometry, and information theory. The corresponding international community is very active and all of the concerned research domains are developing and expanding rapidly.

The conference is therefore also an important occasion for junior mathematicians (graduate students and postdocs) to interact with established researchers in order to exchange ideas. We aim to create an inclusive atmosphere and to encourage forging new connections between researchers of various different backgrounds.

The conference talks will be devoted to recent advances in arithmetic and algebraic geometry and number theory, with a special emphasis on algorithmic and effective results and applications of these fields to information theory.

The conference will last one week and will be organized as follows :

  • There will be one or two plenary talks each day, at the start of each session. They will be given by established researchers, some of whom are new to the established AGC2T community; this will allow for the introduction of emerging topics to the community, which may give rise to applications of arithmetic or algebraic geometry to information theory.
  • There will be several shorter specialized talks in each session, often delivered by junior mathematicians.

As with the previous editions of the AGC2T, we aim publish conference proceedings as a special volume of the Contemporary Mathematics collection of the AMS.

Conference Topics

  • Algebraic and arithmetic geometry over finite fields and global fields.
  • Number theory, especially explicit and algorithmic.
  • Algebro-geometric codes constructed from curves and higher-dimensional algebraic varieties over finite fields and global fields.
  • Arithmetic and geometric aspects of cryptography (symmetric, public key, and post-quantum) and cryptanalysis.

June 2021

Ninth Bucharest Number Theory Days - a conference in honor of Alexandru Zaharescu's 60th Birthday

nt.number-theory
2021-06-01 through 2021-06-03
Institute of Mathematics of the Romanian Academy, UIC, UIUC
Bucharest; Romania

Meeting Type: conference

Contact: Alexandru Popa

Description

none

Young Researchers in Mathematics - 10th edition

gm.general-mathematics
2021-06-07 through 2021-06-09
University of Bristol
Online; UK

Meeting Type: conference

Contact: Nirvana Coppola

Description

Young Researchers in Mathematics is the conference for all PhD students in the UK. We want to welcome each and every early career mathematician to this conference, where you can meet researchers from all areas in a friendly environment. YRM is the perfect opportunity to give talks about your maths, whether it be introductory or your own results. We also invite you to the plenary talks, which showcase a wide range of mathematics happening in the UK now. The conference will be online.

Conference on Arithmetic Geometry in honor of Luc Illusie

ag.algebraic-geometry nt.number-theory
2021-06-07 through 2021-06-11
Morningside Center for Mathematics
Beijing; China

Meeting Type: conference

Contact: see conference website

Description

none

Motives, quadratic forms and arithmetic

ag.algebraic-geometry kt.k-theory-and-homology
2021-06-07 through 2021-06-11
Université d'Artois
Lens; France

Meeting Type: conference

Contact: Jérôme Burési, Baptiste Calmès, Ivo Dell'Ambrogio, Ahmed Laghribi

Description

To celebrate Bruno Kahn's 63rd birthday

Motives and quadratic forms interact in fruitful ways: motives have successfully been used to understand and compute invariants of quadratic forms, while conversely, quadratic forms play a surprisingly deep and structural role in the motivic stable homotopy category of schemes. Moreover, over arithmetic bases, motives can be used to extract information of number theoretical nature from quadratic forms or other algebraic or geometric objects.

38th Annual Workshop in Geometric Topology

gt.geometric-topology at.algebraic-topology
2021-06-15 through 2021-06-17
Online; USA

Meeting Type: conference

Contact: Greg Friedman

Description

The 38th Annual Workshop in Geometric Topology will be held online June 15-17, 2021. The featured speaker will be Peter Bubenik of the University of Florida, who will give a series of three one-hour lectures on Topological Data Analysis.

Participants are invited to contribute talks of 20 minutes. Contributed talks need not be directly related to the topic of the principal lectures. Title and abstracts must be submitted by May 15. If there are more volunteers to speak than there are time slots, the organizers will choose talks that provide a balanced collection of topics and respect the historical traditions of the workshop. Earlier responses may be given some preference. Applicants will be notified whether their talk has been accepted by June 1.

Full details, including registration and information about submitting titles and abstracts for contributed talks, can be found at the conference web site at http://faculty.tcu.edu/gfriedman/GTW2021

The Workshops in Geometric Topology are a series of informal annual research conferences that have been held since 1984. In non-pandemic years, the workshops currently rotate among Brigham Young University, Calvin College, Colorado College, Texas Christian University, and the University of Wisconsin at Milwaukee. Each workshop features a series of three lectures by one principal speaker, providing a substantial introduction to an area of current research in geometric topology. Participants are invited to contribute short talks on their own research, and there is ample time set aside each day for informal interactions between participants. Funding for the workshop series is currently provided by a grant from the National Science Foundation (DMS-1764311).

Workshop Organizers: Fredric Ancel, University of Wisconsin-Milwaukee Greg Friedman, Texas Christian University Craig Guilbault, University of Wisconsin-Milwaukee Molly Moran, Colorado College Nathan Sunukjian, Calvin College Eric Swenson, Brigham Young University Frederick Tinsley, Colorado College Gerard Venema, Calvin College

4th International Conference on Mathematics and Statistics (ICoMS 2021)

na.numerical-analysis pr.probability st.statistics-theory
2021-06-24 through 2021-06-25
Paris; France

Meeting Type: conference

Contact: see conference website

Description

none

Applied Topology in Bedlewo

gt.geometric-topology at.algebraic-topology
2021-06-27 through 2021-07-03
Banach Center
Bedlewo; Poland

Meeting Type: conference

Contact: Zbigniew Blaszczyk, Pawel Dlotko

Description

Applied and computational topology, one of the most rapidly growing branches of mathematics, is becoming a key tool in applied sciences. It is making impact not only in mathematics, but on the wide interdisciplinary environment including material and medical sciences, data science, robotics. Building upon successful conferences held in Bedlewo in 2013 and 2017, the next edition of Applied Topology in Bedlewo will take place in 2021. Similarly as before, our aim is to bring together scientists from all over the world working in various fields of applied topology. This time we will focus on:

  • random topology,
  • topological methods in combinatorics,
  • topological data analysis and shape descriptors,
  • topological analysis of time-varying data in biology, engineering and finance,
  • topological and geometrical descriptors of porous materials.

Masterclass: High dimensional cohomology of moduli spaces

at.algebraic-topology gt.geometric-topology
2021-06-28 through 2021-07-02
University of Copenhagen, Centre for Geometry and Topology
Copenhagen; Denmark

Meeting Type: Masterclass

Contact: Peter Patzt

Description

In this Masterclass, we will learn about the high dimensional cohomology of moduli spaces such as the moduli space of curves, graphs, and lattices. These moduli spaces are classifying spaces of groups such as mapping class groups, automorphism groups of free groups, and arithmetic groups. We will learn about duality groups whose high dimensional cohomology of these moduli spaces is related to the low degree homology groups with twisted coefficients. We will also discuss graph homology and tropical curves.

The masterclass is aimed at advanced graduate students and postdocs with an interest in algebraic topology and geometric group theory. Connections with algebraic geometry and number theory will be mentioned but this is not the primary focus.

July 2021

Fundamental Groups and their Representations in Arithmetic Geometry

nt.number-theory ag.algebraic-geometry
2021-07-04 through 2021-07-09
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

In arithmetic geometry, one studies solutions to polynomial equations defined with arithmetically interesting coefficients, such as integers or rational numbers. One way to study such objects, which has seen tremendous success in the last several decades, is by investigating their symmetries. Quite surprisingly, in several interesting situations, many of the geometric and arithmetic properties of the objects in question are actually controlled by the object’s symmetries.

Unfortunately, it is usually impossible to study these symmetries directly with current technology. To get around this, mathematicians working in this area often study simplified (often linearized) versions of the symmetries in question, which still capture a significant amount of information about the given object. This workshop will bring together both senior and junior researchers, including graduate students, postdocs, and leading experts, who study objects of geometric and arithmetic origin from the point of view of their symmetries and their linearized variants.

Theta Series: Representation Theory, Geometry, and Arithmetic

nt.number-theory rt.representation-theory
2021-07-05 through 2021-07-09
The Fields Institute
Toronto, Ontario; Canada

Meeting Type: conference

Contact: Jim Cogdell, Jens Funke, Siddarth Sankaran, Tonghai Yang

Description

The purpose of this conference is to bring together experts from across automorphic forms, representation theory, and arithmetic connected to the theory of theta series and the theta correspondence in order to survey the most recent developments and to open up future courses of investigation. This conference marks the 70th birthday of Steve Kudla, whose mathematical work has made a profound impact on the themes of this conference.

Theta Series: Representation Theory, Geometry, and Arithmetic

nt.number-theory rt.representation-theory
2021-07-05 through 2021-07-09
The Fields Institute
Toronto, Ontario; Canada

Meeting Type: conference

Contact: Jim Cogdell, Jens Funke, Siddarth Sankaran, Tonghai Yang

Description

The purpose of this conference is to bring together experts from across automorphic forms, representation theory, and arithmetic connected to the theory of theta series and the theta correspondence in order to survey the most recent developments and to open up future courses of investigation. This conference marks the 70th birthday of Steve Kudla, whose mathematical work has made a profound impact on the themes of this conference.

Theta Series: Representation Theory, Geometry, and Arithmetic

nt.number-theory rt.representation-theory
2021-07-05 through 2021-07-09
The Fields Institute
Toronto, Ontario; Canada

Meeting Type: conference

Contact: Jim Cogdell, Jens Funke, Siddarth Sankaran, Tonghai Yang

Description

The purpose of this conference is to bring together experts from across automorphic forms, representation theory, and arithmetic connected to the theory of theta series and the theta correspondence in order to survey the most recent developments and to open up future courses of investigation. This conference marks the 70th birthday of Steve Kudla, whose mathematical work has made a profound impact on the themes of this conference.

Theta Series: Representation Theory, Geometry, and Arithmetic

nt.number-theory rt.representation-theory
2021-07-05 through 2021-07-09
The Fields Institute
Toronto, Ontario; Canada

Meeting Type: conference

Contact: Jim Cogdell, Jens Funke, Siddarth Sankaran, Tonghai Yang

Description

The purpose of this conference is to bring together experts from across automorphic forms, representation theory, and arithmetic connected to the theory of theta series and the theta correspondence in order to survey the most recent developments and to open up future courses of investigation. This conference marks the 70th birthday of Steve Kudla, whose mathematical work has made a profound impact on the themes of this conference.

Geometry via Arithmetic

nt.number-theory ag.algebraic-geometry
2021-07-11 through 2021-07-16
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

There is an age-old relationship between arithmetic and geometry, going back at least to Euclid's Elements. Historically, it has usually been geometry that has been used to enrich our understanding of arithmetic, but the purpose of this workshop is to study the flow of information in the other direction. Namely, how can arithmetic enhance our understanding of geometry? This meeting will bring together researchers from both sides of the partnership, to explore ways to bind the two fields ever closer together.

Arithmetic Aspects of Deformation Theory

ag.algebraic-geometry nt.number-theory rt.representation-theory
2021-07-18 through 2021-07-23
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

One focus of modern number theory is to study symmetries of numbers that are roots of polynomial equations. Collections of such symmetries are called Galois groups, and they often encode interesting arithmetical information. The theory of Galois representations provides a way to understand these Galois groups and in particular, how they interact with other areas of mathematics. This workshop will investigate how these Galois representations can be put together into families, and search for new arithmetic applications of these families.

Explicit Methods in Number Theory

nt.number-theory
2021-07-18 through 2021-07-24
Mathematisches Forschungsinstitut Oberwolfach
Oberwolfach; Germany

Meeting Type: workshop

Contact: Karim Belabas, Bjorn Poonen, Fernando Villegas

Description

The workshop will bring together people attacking key problems in number theory via techniques involving concrete or computable descriptions. Here, number theory is interpreted broadly, including algebraic and analytic number theory, Galois theory and inverse Galois problems, arithmetic of curves and higher-dimensional varieties, zeta and L-functions and their special values, and modular forms and functions. Considerable attention is paid to computational issues, but the emphasis is on aspects that are of interest to the pure mathematician.

A Pair of Automorphic Workshops 2021

nt.number-theory
2021-07-18 through 2021-07-31
University of Oregon
Eugene, OR; USA

Meeting Type: graduate instructional workshop (week 1) and collaborative research workshop (week 2)

Contact: Ellen Eischen

Description

During the last two weeks of July 2021, the University of Oregon will host a graduate instructional workshop followed by a collaborative research workshop to promote diverse collaborations.

While both of these workshops focus on algebraic and p-adic aspects of automorphic forms, L-functions, and related topics, the two workshops are independent. Applicants are encouraged to apply for one or both of the workshops, and funding decisions will be determined separately for each.

August 2021

Diophantine Methods in Algebraic Dynamics

ag.algebraic-geometry ds.dynamical-systems nt.number-theory
2021-08-01 through 2021-08-06
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

Algebraic dynamics is the study of discrete dynamical systems on algebraic varieties. It has its origins in complex dynamics, where one studies self-maps of complex varieties, and now encompasses dynamical systems defined over global fields.

In recent years, researchers have fruitfully investigated the latter by applying number-theoretic techniques, particularly those of Diophantine approximation and geometry, subfields which study the metric and geometric behavior of rational or algebraic points of a variety. The depth of this connection has allowed the mathematical arrow between the two fields to point in both directions; in particular, arithmetic dynamics is providing new approaches to deep classical Diophantine questions involving the arithmetic of abelian varieties. This workshop will focus on communicating and expanding upon the connections between algebraic dynamics and Diophantine geometry. It will bring together leading researchers in both fields, with an aim toward synthesizing recent advances and exploring future directions and applications.

9th International Conference on Research and Education in Mathematics (ICREM9)

ac.commutative-algebra fa.functional-analysis mp.mathematical-physics na.numerical-analysis nt.number-theory st.statistics-theory
2021-08-02 through 2021-08-06
Institute for Mathematical Research, Universiti Putra Malaysia
Langkawi, Kedah; Malaysia

Meeting Type: conference

Contact: Nor Azlida

Description

The ICREM is a biennial conference series organised by the Institute for Mathematical Research (INSPEM), Univeristi Putra Malaysia, since its inaugural in 2003. With the joint efforts from our distinguished partners, the ICREM5 and ICREM8 were successfully organised by the Institut Teknologi Bandung (ITB), Indonesia in 2011 and 2017 respectively. The ICREM6 was successfully organized by the Institute of Mathematics, Vietnam Academy of Science & Technology (IMVAST), Vietnam in 2013.

This year, INSPEM with ITB, IMVAST, Thai Nguyen University of Education, Vietnam (TNUE), and Universität der Bundeswehr München, Germany (UniBw) are delighted to announce that the 9th International Conference on Research and Education in Mathematics (ICREM9) will be held in the beautiful island of Langkawi, MALAYSIA, from 02 - 06 August 2021.

The ICREM9 will have five Satellite Conferences:

  • Satellite Conference on Computational Fluid Dynamics (CFD2021)
  • Satellite Conference on Artificial Intelligence & Data-Driven Innovations (AIDDI2021)
  • Satellite Conference on Scientific Computing, Simulation, and Quantitative Instrumentation (SCSQI2021)
  • Satellite Conference on Structural and Analytical Mathematics with Cryptology (SAMC2021)
  • Satellite Conference on Literacy (LE2021)

The Organising Committee is looking forward to welcoming the delegates to the ICREM9 held for the first time in the beautiful island known as The Jewel of Kedah (Langkawi Permata Kedah). We are working towards preparing an attractive scientific programme with diverse topics to create a conducive environment suitable for encouraging and facilitating our delegates to share their knowledge and exchange ideas in all aspects of mathematics and its application.

The venue of the conference is the perfect setting to complement the ICREM9. Langkawi is an archipelago made up of 99 islands in the Malacca Strait some 30 km off the mainland coast of northwestern Malaysia. The islands are a part of the state of Kedah, which is adjacent to the Thai border. Surrounded by the turquoise sea, the interior of the main island is a mixture of picturesque paddy fields and jungle-clad hills. The main island spans about 25 km from north to south and slightly more for east and west. The coastal areas consist of flat, alluvial plains punctuated with limestone ridges. Two-thirds of the island is dominated by forest-covered mountains, hills, and natural vegetation. The island's oldest geological formation, the Machinchang Formation, was the first part of Southeast Asia to rise from the seabed in the Cambrian more than half a billion years ago.

We invite you to discover for yourself our little treasures. We are honoured to host the ICREM9 here in Langkawi, Malaysia. It is our hope that you will join us and learn, enjoy, and most importantly be a part of the ICREM9 community. Organise a session, give a talk, and remember to experience this great island.

The Organising Committee is looking forward to playing host to all members of the mathematical community at the ICREM9 Conference.

See you in Langkawi, MALAYSIA for ICREM9!

Perspectives on quantum link homology theories

gt.geometric-topology qa.quantum-algebra
2021-08-09 through 2021-08-15
Regensburg; Germany

Meeting Type: combined student workshop & research conference

Contact: Claudius Zibrowius, Lukas Lewark

Description

Details see conference website.

Géométrie algébrique, Théorie des nombres et Applications (GTA)

ag.algebraic-geometry nt.number-theory
2021-08-16 through 2021-08-20
University of French Polynesia
Tahiti; French Polynesia

Meeting Type: conference

Contact: Gaetan Bisson

Description

The GTA 2021 conference will bring together world class researchers in mathematics. Its main objectives are to discuss recent advances in the fields of algebraic geometry, number theory and their applications, as well as to foster international collaborations on connected topics.

Although contributions from all related areas of mathematics are welcome, particular emphasis will be placed on research interests of our late colleague Alexey Zykin, namely: zeta-functions and L-functions, algebraic geometry over finite fields, families of fields and varieties, abelian varieties and elliptic curves.

SIAM Conference on Applied Algebraic Geometry (AG21)

ag.algebraic-geometry
2021-08-16 through 2021-08-20
College Station, TX; USA

Meeting Type: conference

Contact: see conference website

Description

This is the meeting of the SIAM Activity Group on Algebraic Geometry.

The purpose of the SIAM Activity Group on Algebraic Geometry is to bring together researchers who use algebraic geometry in industrial and applied mathematics. "Algebraic geometry" is interpreted broadly to include at least: algebraic geometry, commutative algebra, noncommutative algebra, symbolic and numeric computation, algebraic and geometric combinatorics, representation theory, and algebraic topology. These methods have already seen applications in: biology, coding theory, cryptography, combustion, computational geometry, computer graphics, quantum computing, control theory, geometric design, complexity theory, machine learning, nonlinear partial differential equations, optimization, robotics, and statistics. We welcome participation from both theoretical mathematical areas and application areas not on this list which fall under this broadly interpreted notion of algebraic geometry and its applications.

Young Researchers in Algebraic Number Theory

nt.number-theory
2021-08-18 through 2021-08-20
University of Bristol
Bristol; UK

Meeting Type: conference

Contact: Nirvana Coppola

Description

Y-RANT is a (relatively) new conference aimed at postgraduate students and early career researchers in algebraic number theory, promoting discussion and sharing of ideas between members of the community. Participants are strongly encouraged to register to give short talks on their research or other topics of interest. We will do our best to accommodate all participant's talks, however this might not be possible due to time constraints. In addition there will be three keynote talks given by senior researchers in the field.

Supersingular Isogeny Graphs in Cryptography

ag.algebraic-geometry nt.number-theory
2021-08-22 through 2021-08-27
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

Despite the enormous commercial potential that quantum computing presents, the existence of large-scale quantum computers also has the potential to destroy current security infrastructures. Post-quantum cryptography aims to develop new security protocols that will remain secure even after powerful quantum computers are built. This workshop focuses on isogeny-based cryptography, one of the most promising areas in post-quantum cryptography. In particular, we will examine the security, feasibility and development of new protocols in isogeny-based cryptography, as well as the intricate and beautiful pure mathematics of the related isogeny graphs and elliptic curve endomorphism rings. To address the goals of both training and research, the program will be comprised of keynote speakers and working group sessions.

Automorphic Forms, Geometry and Arithmetic

rt.representation-theory nt.number-theory ag.algebraic-geometry
2021-08-22 through 2021-08-28
Mathematisches Forschungsinstitut Oberwolfach
Oberwolfach; Germany

Meeting Type: invitational workshop

Contact: see conference website

Description

none

Georgian Mathematical Union XI Annual International Conference

ag.algebraic-geometry ap.analysis-of-pdes at.algebraic-topology ca.classical-analysis-and-odes co.combinatorics cv.complex-variables dg.differential-geometry fa.functional-analysis gm.general-mathematics gn.general-topology gt.geometric-topology ho.history-and-overview kt.k-theory-and-homology lo.logic mp.mathematical-physics na.numerical-analysis nt.number-theory pr.probability ra.rings-and-algebras st.statistics-theory
2021-08-23 through 2021-08-28
Georgian Mathematical Union, Shota Rustaveli Batumi State University
Batumi, Georgia; Georgia

Meeting Type: International Conference

Contact: Alexander Meskhi, David Natroshvili, Tinatin Davitashvili

Description

none

September 2021

Arithmetic Geometry - Takeshi 60

ag.algebraic-geometry nt.number-theory
2021-09-06 through 2021-09-10
Graduate School of Mathematical Sciences, The University of Tokyo
Tokyo; Japan

Meeting Type: conference

Contact: Ahmed Abbes, Kenichi Bannai, Naoki Imai, Tadashi Ochiai, Atsushi Shiho

Description

A conference on the occasion of Takeshi Saito's 60th birthday

Arakelov Geometry

ag.algebraic-geometry nt.number-theory
2021-09-06 through 2021-09-10
Universität Regensburg
Regensburg; Germany

Meeting Type: conference (in virtual or hybrid mode)

Contact: Klaus Künnemann

Description

The conference Arakelov Geometry is organized by José Ignacio Burgos Gil, Walter Gubler, and Klaus Künnemann. This conference constitutes the eleventh session of the Intercity Seminar on Arakelov Theory organized by José Ignacio Burgos Gil, Vincent Maillot and Atsushi Moriwaki with previous sessions in Barcelona, Beijing, Copenhagen, Kyoto, Paris, Regensburg, and Rome.

2nd IMA Conference on Mathematics of Robotics

ag.algebraic-geometry at.algebraic-topology gm.general-mathematics gt.geometric-topology
2021-09-08 through 2021-09-10
Manchester Metropolitan University
Manchester; UK

Meeting Type: conference

Contact: Pam Bye

Description

This Conference has been organised in cooperation with the Society for Industrial and Applied Mathematics (SIAM).

Areas of interest include, but are not limited to: Topology. Kinematics. Algebraic topology of con?guration spaces of robot mechanisms. Topological aspects of path planning and sensor networks. Differential topology and singularity theory of robot mechanism and moduli spaces. Algebraic Geometry. Varieties generated by linkages and constraints. Geometry of stiffness and inertia matrices. Rigid-body motions. Computational approaches to algebraic geometry. Dynamical Systems and Control. Dynamics of robots and mechanisms. Simulation of multi-body systems, e.g. swarm robots. Geometric control of robots. Optimal control and other optimisation problems. Combinatorial and Stochastic Methods. Rigidity of structures. Path planning algorithms. Modular robots. Statistics. Stochastic control. Localisation. Navigation with uncertainty. Statistical learning theory. Cognitive Robotics. Mathematical aspects of Artificial Intelligence, Developmental Robotics and other Neuroscience based approaches.

Invited speakers: Dr Mini Saag – University of Surrey, UK Prof Frank Sottile - Texas A&M University, USA Prof Stefano Stramigioli - University of Twente, The Netherlands

October 2021

Lattices and Cohomology of Arithmetic Groups: Geometric and Computational Viewpoints

gr.group-theory gt.geometric-topology nt.number-theory
2021-10-03 through 2021-10-08
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

A lattice is a discrete collection of regularly ordered points in space. Lattices are everywhere around us, from the patterned stacked arrangements of fruits and vegetables at the grocery to the regular networks of atoms in crystalline compounds. Today lattices find applications throughout mathematics and the sciences, applications ranging from chemistry to cryptography and Wi-Fi networks.

The focus of this meeting is the connections between lattices and number theory and geometry. Number theory, one of the oldest branches of pure mathematics, is devoted to the study properties of the integers and more sophisticated number systems. Lattices and number theory have many deep connections. For instance using number theory it was recently demonstrated that certain packings of balls in high dimensions are optimally efficient. Lattices also appear naturally when one studies certain spaces that play an important role in number theory; one of the main focuses of this meeting is to investigate computational and theoretical methods to understand such spaces and to expand the frontier of our algorithmic knowledge in working with them.

Cohomology of Arithmetic Groups: Duality, Stability, and Computations

gr.group-theory gt.geometric-topology nt.number-theory
2021-10-10 through 2021-10-15
Banff International Research Station
Banff, AB; Canada

Meeting Type: conference

Contact: see conference website

Description

The cohomology of arithmetic groups is the study of the properties of ``holes'' in geometric spaces that contain information about number theory. The workshop will bring together mathematicians with expertise in number theory, topology, and geometric group theory to tackle these problems and explore recent developments.

January 2022

Higher Algebraic Structures In Algebra, Topology And Geometry

ag.algebraic-geometry at.algebraic-topology gt.geometric-topology kt.k-theory-and-homology sg.symplectic-geometry
2022-01-10 through 2022-04-29
Institute Mittag-Leffler
Djursholm; Sweden

Meeting Type: research program

Contact: Gregory Arone, Tilman Bauer, Alexander Berglund, Søren Galatius, Jesper Grodal, Thomas Kragh

Description

We are happy to announce that the Institut Mittag-Leffler will be hosting a research program entitled

"HIGHER ALGEBRAIC STRUCTURES IN ALGEBRA, TOPOLOGY AND GEOMETRY”

from January 10, 2022 to April 29, 2022.

Junior researchers (advanced PhD students or young postdocs) can apply for a fellowship to attend the program, covering all expenses (deadline: December 31, 2020). For all others, the program is by invitation only.

Institut Mittag-Leffler in Danderyd, just north of Stockholm, Sweden, is an international centre for research and postdoctoral training in mathematical sciences. The oldest mathematical research institute in the world, it was founded in 1916 by Professor Gösta Mittag-Leffler and his wife Signe, who donated their magnificent villa, with its first-class library, for the purpose of creating the institute that bears their name.

Program web page: http://www.mittag-leffler.se/langa-program/higher-algebraic-structures-algebra-topology-and-geometry

Junior research fellowships: http://www.mittag-leffler.se/research-programs/junior-fellowship-program

The organizers
Gregory Arone ([email protected])
Tilman Bauer ([email protected])
Alexander Berglund ([email protected])
Søren Galatius ([email protected])
Jesper Grodal ([email protected])
Thomas Kragh ([email protected])

March 2022

Rational Points 2022

ag.algebraic-geometry nt.number-theory
2022-03-27 through 2022-04-02
Frankenakademie Schloss Schney
Schney/Lichtenfels, Bavaria; Germany

Meeting Type: workshop

Contact: Michael Stoll

Description

This workshop aims at bringing together the leading experts in the field, covering a broad spectrum reaching from the more theoretically-oriented over the explicit to the algorithmic aspects. The fundamental problem motivating the workshop asks for a description of the set of rational points X(Q) for a given algebraic variety X defined over Q. When X is a curve, the structure of this set is known, and the most interesting question is how to determine it explicitly for a given curve. When X is higher-dimensional, much less is known about the structure of X(Q), even when X is a surface. So here the open questions are much more basic for our understanding of the situation, and on the algorithmic side, the focus is on trying to decide if a given variety does have any rational point at all.

This is a workshop with about 50 participants. Participation is by invitation. Every participant is expected to contribute actively to the success of the event, by giving talks and/or by taking part in the discussions.

April 2022

Periods, motives and differential equations: between arithmetic and geometry, on the occasion of Yves André's 60th++ birthday

ag.algebraic-geometry nt.number-theory
2022-04-11 through 2022-04-15
IHP
Paris; France

Meeting Type: conference

Contact: see conference website

Description

Periods occur in various branches of mathematics and as the title of our conference indicates, their study intertwines arithmetic, Diophantine analysis, differential equations, and algebraic geometry. Many interesting results have been proved in recent years and many challenging problems on periods are still open. The aim of our conference is to bring together specialists who cover all these different points of view and their ramifications, with special attention towards possible applications to broader areas of the techniques developed in the study of periods and their realizations.

Yves André has contributed in many ways to this ongoing adventure and this conference will not only be the opportunity to listen to a broad range of recent developments in mathematics around the topic of periods, but also to celebrate his 60th birthday.

Rational points on higher-dimensional varieties

ag.algebraic-geometry nt.number-theory
2022-04-25 through 2022-04-29
ICMS
Edinburgh; UK

Meeting Type: conference

Contact: Daniel Loughran, Rachel Newton, Efthymios Sofos

Description

The meeting will not be online.

Speakers include: Francesca Balestrieri, Jen Berg, Tim Browning, Yang Cao, Jean-Louis Colliot-Thélène, Jordan Ellenberg, Roger Heath-Brown, Marta Pieropan, Bjorn Poonen, Damaris Schindler, Alexei Skorobogatov, Olivier Wittenberg.

Details: The topic of rational points on varieties over the rational numbers is the modern perspective on the theory of Diophantine equations.

There is a good (partially conjectural) understanding now of the situation for algebraic curves. The proof of the Mordell conjecture for curves of genus at least 2 by Faltings is one of the crowning achievements in the area, and much of the work on elliptic curves is driven by the Birch-Swinnerton-Dyer conjecture. Recent highlights include the work of Bhargava and his collaborators on average ranks of elliptic curves. The situation in higher dimensions is much murkier however.

The aim of the meeting is to bring together leading experts and early career researchers to make progress on understanding rational points on surfaces and higher dimensional varieties. Traditionally there have been two separate communities working in the area, using tools from analytic number theory and algebraic geometry, respectively. Spectacular progress has been made in recent times by managing to bridge these communities, with a particular highlight being applications of Green-Tao-Ziegler's work on primes in arithmetic progressions to the fibration method. The emphasis in the meeting will be on building upon this bridge and further inspiring collaboration between the analytic and geometric communities.

Specific topics to be covered will include the following:

Schinzel's Hypothesis with probability Campana points. Purity of strong approximation. Rational points in families. Brauer--Manin obstruction.

May 2022

Leuca2022 Celebrating Claude Levesque's Damien Roy's and Michel Waldschmidt's birthdays

nt.number-theory
2022-05-16 through 2022-05-21
Marina di San Gregorio, Patù (Lecce), Italy; Italy

Meeting Type: conference

Contact: Valerio Talamanca

Description

none

La grandezza dei punti piccoli Celebrating Francesco Amoroso's 60th birthday

nt.number-theory
2022-05-23 through 2022-05-25
Universita' di Pisa
PISA; Italy

Meeting Type: conference

Contact: Valerio Talamanca

Description

none

Franco-Asian Summer School on Arithmetic Geometry in Luminy

nt.number-theory ag.algebraic-geometry
2022-05-30 through 2022-06-03
Centre International de Rencontres Mathématiques (CIRM)
Marseille; France

Meeting Type: conference

Contact: Ahmed Abbes

Description

Arithmetic geometry is a broad and central area of Mathematics. The summer school will focus on a number of areas of important progress over the last three or four years, notably: p-adic Hodge theory, Ramification of étale l-adic sheaves, Homotopical algebra techniques and applications to motives and epsilon factors. The summer school will consist of 4 mini-courses supplemented by ten one-hour lectures.

June 2022

7th IMA Conference on Numerical Linear Algebra and Optimization

ag.algebraic-geometry gm.general-mathematics
2022-06-29 through 2022-07-01
University of Birmingham
Birmingham; UK

Meeting Type: conference

Contact: Pam Bye

Description

The success of modern codes for large-scale optimization is heavily dependent on the use of effective tools of numerical linear algebra. On the other hand, many problems in numerical linear algebra lead to linear, nonlinear or semidefinite optimization problems. The purpose of the conference is to bring together researchers from both communities and to find and communicate points and topics of common interest. This Conference has been organised in cooperation with the Society for Industrial and Applied Mathematics (SIAM). Conference topics include any subject that could be of interest to both communities, such as: • Direct and iterative methods for large sparse linear systems. • Eigenvalue computation and optimization. • Large-scale nonlinear and semidefinite programming. • Effect of round-off errors, stopping criteria, embedded iterative procedures. • Optimization issues for matrix polynomials • Fast matrix computations. • Compressed/sparse sensing • PDE-constrained optimization • Distributed computing and optimization • Applications and real time optimization Invited Speakers Invited Speakers to be confirmed shortly. Registration Registration is currently open at https://my.ima.org.uk/ If you are an IMA Member or you have previously registered for an IMA conference, then you are already on our database. Please “request a new password” using the email address previously used, to log in. Call for Papers and Mini-Symposiums Mini-symposium proposals and contributed talks are invited on all aspects of numerical linear algebra and optimization. Mini-symposium proposals should be submitted to [email protected] by 31 January 2022. A mini-symposium consists of up to four speakers. For emerging topics the mini-symposium can be extended to at most two sessions on a single topic (maximum eight speakers). Organisers will be advised of acceptance by 14 February 2022. Contributed talks and mini-symposia talks will be accepted on the basis of a one page extended abstract which should be submitted by 28 February 2020 online at http://online.ima.org.uk/ or by e-mail to [email protected] Authors will be advised of acceptance by 31 March 2022. A book of abstracts will be made available to delegates at the conference. Key deadlines Mini-symposia proposals: 31 January 2022 Notification of acceptance of mini-symposia: 14 February 2022 Abstract submission: 28 February 2022 Notification of acceptance of abstracts: 31 March 2022 Authors will be advised of acceptance by 31 March 2022. A book of abstracts will be made available to delegates at the conference.

Early Bird Conference Fees IMA/SIAM Member - £395.00 Non IMA/SIAM Member - £450.00 IMA/SIAM Student - £215.00 Non IMA/SIAM Student - £225.00 Conference Fees will increase by £20 on 22 May 2022 Day Delegate rate: A Day Delegate rate is also available for this Conference if you would like to attend one of the scheduled Conference days. If you would like to find out more information about our Day Delegate rate, please contact us at [email protected]

Accommodation The IMA have booked accommodation at Edgbaston Park Hotel on hold for delegates on a first-come, first-serve basis. The room is £90 Single occupancy, B&B which will be available to book until 16/05/2022. If you are interested in booking at this rate, please contact the Conferences Department for the booking code.

Organising Committee Michal Kocvara, University of Birmingham (co-chair) Daniel Loghin, University of Birmingham (co-chair) Coralia Cartis, University of Oxford Nick Gould, Rutherford Appleton Laboratory Philip Knight, University of Strathclyde Jennifer Scott, Rutherford Appleton Laboratory Valeria Simoncini, University of Bologna Contact information For general conference queries please contact the Conferences Department, Institute of Mathematics and its Applications, Catherine Richards House, 16 Nelson Street, Southend-on-Sea, Essex, SS1 1EF, UK. E-mail: [email protected] Tel: +44 (0) 1702 354 020

July 2022

Spec$(\overline{Q})$

ac.commutative-algebra ag.algebraic-geometry nt.number-theory
2022-07-06 through 2022-07-08
Fields Institute
Toronto, ON; Canada

Meeting Type: conference

Contact: see conference website

Description

Spec(Q¯¯¯¯) is the first conference to celebrate and promote research advances of LGBT2Q mathematicians specialising in algebraic geometry, arithmetic geometry, commutative algebra, and number theory. This conference capitalises on recent thematic program successes in algebraic geometry at Fields, the Thematic Program on Combinatorial Algebraic Geometry (July 1 - December 31, 2016) and the Thematic Program on Homological Algebra of Mirror Symmetry (July 1 - December 31, 2019). Spec(Q¯¯¯¯) will create an empowering and engaging environment which provides LGBT2Q visibility in algebraic geometry, will support junior LGBT2Q academics, and will crystallise new collaborative networks for participants. Algebraic geometry, classically, is the study of the geometry of solutions of polynomial equations; through modern advances it has become an intersectional mathematical field, drawing from various aspects of algebra, number theory, geometry, combinatorics and even mathematical physics. This conference aims to highlight strong mathematical research in a wide array of algebraic geometry, broadly defined. The conference will feature some plenary talks by world-leading researchers from a range of areas of algebraic geometry. To facilitate new connections across the various threads of algebraic geometry, plenary talks at Spec(Q¯¯¯¯) will be aimed a general algebro-geometric audience.

This activity will bring together mathematicians spanning all academic ranks to create ideal networking and mentorship for LGBT2Q academics while disseminating key achievements of trans and queer algebraic geometers. Queer and trans academics often have a diffcult experience developing key collaborations and networks of trusted colleagues. Each research connection, grant, and application involves a conscious decision of how much of one’s queer/trans identity to disclose. This conference provides a safe space to develop ones network while removing these barriers. In such spaces, one can discuss mathematics with new colleagues while unbridled with many societal challenges that they face in mathematical communities. When a mathematician feels free to be themselves in all ways, they are able to immerse themselves in creative mathematical thought.

Park City Mathematics Institute: Number theory informed by computation

nt.number-theory
2022-07-17 through 2022-08-06
IAS/PCMI
Park City, UT; USA

Meeting Type: conference and summer school

Contact: Bjorn Poonen

Description

none

August 2022

Women in Numbers Europe - 4

nt.number-theory
2022-08-29 through 2022-09-02
Utrecht University
Utrecht; Netherlands

Meeting Type: workshop

Contact: Ramla Abdellatif, Valentijn Karemaker, Ariane Mézard

Description

This is a workshop that aims to support new collaborations for women in number theory. Prior to the conference, the project leaders will design projects and provide background reading and references for their groups. Each participant will be assigned to a working group according to her research interests. During the workshop there will be some talks and career-development activities, but there will also be ample time dedicated to working in the working groups.

September 2022

Around p-adic cohomologies

ag.algebraic-geometry nt.number-theory
2022-09-19 through 2022-09-23
University of Padova
Padova; Italy

Meeting Type: conference

Contact: see conference website

Description

none

January 2023

Algebraic Cycles, L-Values, and Euler Systems

nt.number-theory ag.algebraic-geometry
2023-01-17 through 2023-05-26
MSRI
Berkeley, CA; USA

Meeting Type: conference

Contact: see conference website

Description

The fundamental conjecture of Birch and Swinnerton-Dyer relating the Mordell–Weil ranks of elliptic curves to their L-functions is one of the most important and motivating problems in number theory. It resides at the heart of a collection of important conjectures (due especially to Deligne, Beilinson, Bloch and Kato) that connect values of L-functions and their leading terms to cycles and Galois cohomology groups.

The study of special algebraic cycles on Shimura varieties has led to progress in our understanding of these conjectures. The arithmetic intersection numbers and the p-adic regulators of special cycles are directly related to the values and derivatives of L-functions, as shown in the pioneering theorem of Gross-Zagier and its p-adic avatars for Heegner points on modular curves. The cohomology classes of special cycles (and related constructions such as Eisenstein classes) form the foundation of the theory of Euler systems, providing one of the most powerful methods known to prove vanishing or finiteness results for Selmer groups of Galois representations.

The goal of this semester is to bring together researchers working on different aspects of this young but fast-developing subject, and to make progress on understanding the mysterious relations between L-functions, Euler systems, and algebraic cycles.

Diophantine Geometry

ag.algebraic-geometry nt.number-theory
2023-01-17 through 2023-05-26
MSRI
Berkeley, CA; USA

Meeting Type: thematic program

Contact: see conference website

Description

Number Theory concerns the study of properties of the integers, rational numbers, and other structures that share similar features. It is a central branch of mathematics with a well-known feature: it is often the case that easy-to-state problems in number theory turn out to be exceedingly difficult (e.g. Fermat’s Last Theorem), and their study leads to groundbreaking discoveries in other fields of mathematics.

A fundamental theme in number theory concerns the study of integer and rational solutions to Diophantine equations. This topic originated at least 3,700 years ago (as documented in babylonian clay tablets) and it has evolved into the highly sophisticated field of Diophantine Geometry. There are deep and fruitful interactions between Diophantine Geometry and seemingly distant fields such as representation theory, algebraic geometry, topology, complex analysis, and mathematical logic, to mention a few. In recent years, these connections have led to a large number of new results and, specially, to the partial or complete resolution of important conjectures in the field.

While the study of rational solutions of diophantine equations initiated thousands of years ago, our knowledge on this subject has dramatically improved in recent years. Especially, we have witnessed spectacular progress in aspects such as height formulas and height bounds for algebraic points, automorphic methods, unlikely intersection problems, and non-abelian and p-adic approaches to algebraic degeneracy of rational points. All these groundbreaking advances in the study of rational and algebraic points in varieties will be the central theme of the semester program “Diophantine Geometry” at MSRI. The main purpose of this program is to bring together experts as well as enthusiastic young researchers to learn from each other, to initiate and continue collaborations, to update on recent breakthroughs, and to further advance the field by making progress on fundamental open problems and by developing further connections with other branches of mathematics. We trust that younger mathematicians will greatly contribute to the success of the program with their new ideas. It is our hope that this program will provide a unique opportunity for women and underrepresented groups to make outstanding contributions to the field, and we strongly encourage their participation.

April 2025

test 2

ho.history-and-overview
2025-04-12 through 2025-04-14
test; Armenia

Meeting Type: conference

Contact: see conference website

Description

test 2