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Update 2025-04

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Upcoming Meetings

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January 2025

Commutative Algebra and Applications

ac.commutative-algebra
2025-01-01 through 2025-06-30
Fields Institute
Toronto, ON; Canada

Meeting Type: thematic research program

Contact: see conference website

Description

none

June 2025

Derived Representation Theory and Triangulated Categories

ag.algebraic-geometry ct.category-theory ra.rings-and-algebras rt.representation-theory
2025-06-23 through 2025-06-27
Aristotle University of Thessaloniki
Thessaloniki; Greece

Meeting Type: Conference

Contact: Chrysostomos Psaroudakis, George Raptis

Description

none

July 2025

Geometry over Semirings

ac.commutative-algebra ag.algebraic-geometry nt.number-theory
2025-07-07 through 2025-07-11
Universitat Autònoma de Barcelona
Bellaterra (Barcelona); Spain

Meeting Type: Workshop

Contact: Marc Masdeu, Joaquim Roé

Description

We are pleased to announce the workshop "Geometry over Semirings 2025" on July 7-11 at the Universitat Autònoma de Barcelona.

In this workshop, experts and young researchers will come together to share recent progress and collaborate on open questions related to tropical geometry, geometry over the field of one element, blueprints, and related questions.

There will be talks by

  • Ana Maria Botero
  • Geffrey Giansiracusa
  • Oliver Lorscheid
  • Martin Ulirsch
  • Xavier Xarles

and young participants.

You can get more information and register for the workshop here: https://mat.uab.cat/~masdeu/geometry-over-semirings/. There is a limited amount of funding for accommodation for early career participants; you can request funding when registering.

The organizers: Joaquim Roé, Marc Masdeu

Queer and Trans Mathematicians in Algebra and Representation Theory (QTMART)

gr.group-theory qa.quantum-algebra ra.rings-and-algebras rt.representation-theory
2025-07-23 through 2025-07-25
Hausdorff Center for Mathematics
Bonn, North Rhine-Westphalia; Germany

Meeting Type: workshop

Contact: Alice Dell'Arciprete, Alexis Langlois-Rémillard, Dinushi Munasinghe, David Schwein

Description

QTMART is a workshop on algebra and representation theory taken in a broad sense, run by and for queer and trans mathematicians. It aims to showcase the research done in this field by this community and bring together senior researchers, junior researchers, and graduate students to discuss topics of common interest in a non-competitive environment.

Alongside the workshop, an exploratory program on queer mathematics and inclusion will take place. The activities of the program will focus on exploring what it means to do mathematics as a queer or trans mathematician, and if there is such a thing as queer mathematics. It will also address the question of how to make the working culture and environment more welcoming and diverse, and will aim to initiate concrete actions in this regard.

This workshop welcomes talks by early-career researchers. Please indicate on the application form if you would like to give a talk and on what topic.

The event is open to everyone accepting the community agreement (which will be based upon Oberwolfach's Statement of Respect and Collegiality https://www.mfo.de/about-the-institute/guiding-principles/equality-diversity-inclusion/statement-for-respect-and-collegiality, taking suggestions from the participants into account). However, priority in assigning talks will be given to self-identifying queer and trans mathematicians, and some activities in the program will be reserved for this group.

Plenary Speakers:

  • Chris Bowman (University of York)
  • Ian Musson (University of Wisconsin-Milwaukee)
  • J. Daisie Rock (FWO, KU Leuven, UGent)
  • Beth Romano (King's College London)
  • Dani Tubbenhauer (University of Sydney)

Motives and Arithmetic Geometry

ag.algebraic-geometry at.algebraic-topology nt.number-theory rt.representation-theory
2025-07-28 through 2025-08-01
TU Darmstadt
Darmstadt; Germany

Meeting Type: Conference

Contact: see conference website

Description

The conference will reflect current developments in motivic homotopy theory and its applications in arithmetic geometry and geometric representation theory. It aims to bring together experts from these fields to facilitate the exchange of ideas in a collaborative and engaging environment.

World Maths Championships

ac.commutative-algebra ag.algebraic-geometry ca.classical-analysis-and-odes cv.complex-variables dg.differential-geometry
2025-07-31 through 2025-08-18
GEMA
Dubai ; United Arab Emirates

Meeting Type:

Contact: Haya

Description

Exam Dates: 31st July 2025 18h August 2025

Time: Exam will be available for 24hrs on 31st July and 18th August (whichever date student opted), students can start anytime between those 24hrs, but once started exam will end in its pescribed time limit of 1 hr.

Duration: 60 Minutes

Mode of registration: Individually and through schools.

Last Date of Registration: 27th July 2025 for 31st July Exam date and 17th August 2025 for 18th August Exam date Result: Generally, the results are announced within 3 month’s time of Last Exam Date Eligibility: For Students of Grade 1-8 Exam Fee: US$ 15 Mode of Exam: Online Monitoring: Online proctored Exam Number of Questions: Grade 1 – 4: 35 Questions Grade 5 – 8: 50 Questions

Study Material: There is no need to buy expensive books or study materials, all questions will be coming from existing academic curriculum/books of the students. Sample paper is also available on website. Plus we offer a mock test to students as well to get a better understanding of the exam.

Date of Mock Test: 20th July 2025 00:01AM to 17th August 2025 11:00PM. A Mock test will be available between these dates for students to attempt, students can start anytime between these dates, but once started exam will end in its pescribed time limit of 1 hr.

How the Exam will be Monitored: Remember this is an AI Proctored exam, System will automatically terminate exam if unusual behavior is found.

August 2025

The Aarhus Automorphic Forms Summer School and Conference

ds.dynamical-systems nt.number-theory rt.representation-theory
2025-08-04 through 2025-08-15
Aarhus University
Aarhus; Denmark

Meeting Type:

Contact: Soumendra Ganguly

Description

We are hosting two events, each one a week long:

  • A summer school on Galois Representations, Relative Langlands Duality, Beyond Endoscopy, and Relative Trace Formulae. 4-9 August 2025.
  • A number theory conference. 11-15 August 2025.

September 2025

[New]Categorical and Geometric Structures in the Langlands Program

nt.number-theory rt.representation-theory
2025-09-15 through 2025-09-19
Virtual; Online

Meeting Type:

Contact: David Savitt

Description

The year 2024 will mark the 30th anniversary of the resolution of Fermat’s Last Theorem, one of the most celebrated applications of the Langlands program. In the three decades since, many seemingly disparate areas of research within the Langlands program have blossomed, some inspired by the ideas introduced in the proof of Fermat, some with a more geometric flavor, made possible in part by the theory of perfectoid spaces, and some with a more representation-theoretic flavor.

The categorical Langlands program is an emerging conceptual framework that encompasses these disparate areas of research: the $p$-adic Langlands program, the geometrization of the local Langlands correspondence, and the cohomology of Shimura varieties in its many incarnations, just to name a few. This workshop brings together architects of the categorical Langlands program in the number field setting as well as emerging experts. The goals are to take stock of the state of the art in the field, and to chart a course for future developments, and to provide mentorship and support to a diverse group of early-career participants.

Due to limited space, in-person attendance at this meeting is by invitation only. However, we welcome applications for virtual participation in the workshop. If you are interested in virtual attendance, please apply at the following link: https://forms.gle/kPz15Cnj8CGKKkJy9.

October 2025

AMS Special Session on LS-category and Topological Complexity: Theory and Applications

at.algebraic-topology gn.general-topology gr.group-theory gt.geometric-topology sg.symplectic-geometry
2025-10-25 through 2025-10-26
American Mathematical Society
Virtual; United States

Meeting Type: 2025 Fall Eastern Virtual Sectional Meeting

Contact: Jesús González, Ekansh Jauhari

Description

This 2-day special session will be dedicated to a range of mathematical problems related to motion planning algorithms and their properties. A central role is played by the notion of topological complexity (TC), which is a homotopy invariant depending only on the configuration space of the robot that can be studied using diverse tools from a variety of fields, such as geometry, topology, algebra, combinatorics, etc. This session on theoretical and applied aspects of TC and related sectional category invariants aims to bring together scientists from all over the world working on different aspects of motion planning and TC and foster collaboration among them, expose graduate students and junior colleagues to these rich and fascinating areas of research, and identify directions for future work and interaction in these areas.

January 2026

Formal scientific modeling: a case study in global health

ct.category-theory
2026-01-12 through 2026-01-16
American Institute of Mathematics
Pasadena; United States

Meeting Type: workshop

Contact: AIM

Description

This workshop, sponsored by AIM, the NSF, the Topos Institute, and the US NSF Center for Analysis and Prediction of Pandemic Expansion, will consider how category-theoretic foundations for modeling as decision support for multidisciplinary collaboration might advance insights into pandemic science. Multidisciplinary modeling is extremely useful and also extremely difficult (for many reasons). By taking the very concept of "building a model" as itself a sort of model, and phrasing this in the formal mathematical language of (double) category theory, we can develop systems that greatly improve our capabilities for collaborative modeling.

The workshop will bring together a wide range of research communities: category theory, software engineering, dynamical systems, data science, epidemiology, infectious disease modeling, medical geography, behavioral psychology, social and urban networks, and economics.

March 2026

[New]$\ell = p$: New developments in $p$-adic representation theory

nt.number-theory rt.representation-theory
2026-03-18 through 2026-03-20
University of Duisburg-Essen
Essen; Germany

Meeting Type: Research Workshop

Contact: Andreas Bode, Nicolas Dupré, Jan Kohlhaase

Description

see conference website

August 2026

The Gross-Zagier formula, 40 years later

ag.algebraic-geometry nt.number-theory rt.representation-theory
2026-08-03 through 2026-08-07
Massachusetts Institute of Technology
Cambridge MA; United States

Meeting Type: Research conference

Contact: Ben Howard, Yiannis Sakellaridis, Zhiwei Yun, Wei Zhang

Description

On the occasion of 40+ years after the seminar paper of Gross--Zagier, we bring together experts to deliver lectures on a broad range of topics connected with the Gross-Zagier formula, its generalizations, related future directions, and other works that it has inspired.

The Australian Direction: A conference honoring the mathematical contributions of Matt Emerton and Mark Kisin

ag.algebraic-geometry nt.number-theory rt.representation-theory
2026-08-10 through 2026-08-14
University of Utah
Salt Lake City, Utah; United States

Meeting Type: Conference

Contact: Sean Howe, Keerthi Madapusi

Description

none