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Upcoming Meetings

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September 2021

Six functors formalism and Motivic homotopy theory

ag.algebraic-geometry at.algebraic-topology
2021-09-19 through 2021-09-24
University of Milano
Milano; Italy

Meeting Type: Summer school and conference

Contact: Fabrizio Andreatta, Federico Binda, Alberto Vezzani, Paul Arne Østvaer

Description

“Six functors formalism and Motivic homotopy theory”

Milano, September 20-24, 2021 Department of Mathematics “F. Enriques”, University of Milano, Milan, Italy.

Sponsored by the University of Milan and the Research Council of Norway within the project “Equations in motivic homotopy”.

The school will include three-mini courses for PhD students and young postdocs:

Minicourses:

  • Alberto Canonaco (Pavia)
  • Frédéric Déglise (ENS Lyon)
  • Martin Gallauer (Oxford)

In addition to research talks by

  • Mattia Cavicchi (Strasbourg)
  • Alberto Merici (Zurich)
  • Mattia Ornaghi (Be'er Sheva)
  • Sabrina Pauli (Duisburg-Essen)
  • Charanya Ravi (Regensburg)
  • Timo Richarz (Darmstadt)
  • Florian Strunk (Regensburg)

Funding for participants is available. Deadline for financial support is July 10th, 2021.

The South Central Topology Conference

at.algebraic-topology
2021-09-25 through 2021-09-26
Texas A&M University
College Station, TX; USA

Meeting Type: conference

Contact: see conference website

Description

none

"Cyclic Cohomology at 40: achievements and future prospects"

ag.algebraic-geometry at.algebraic-topology ct.category-theory dg.differential-geometry ds.dynamical-systems fa.functional-analysis kt.k-theory-and-homology mp.mathematical-physics nt.number-theory oa.operator-algebras qa.quantum-algebra ra.rings-and-algebras rt.representation-theory
2021-09-27 through 2021-10-01
Fields Institute
Toronto/Ontario; Canada

Meeting Type: conference

Contact: Katia Consani

Description

The forthcoming Conference “Cyclic Cohomology at 40: achievements and future prospects” will take place online at The Fields Institute, from September 27 to October 1st 2021:

Registration instructions are here:

http://www.fields.utoronto.ca/activities/21-22/cyclic-cohomology

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.

November 2021

BUGCAT Conference

at.algebraic-topology co.combinatorics gr.group-theory gt.geometric-topology
2021-11-06 through 2021-11-14
Binghamton University
Binghamton NY; USA

Meeting Type: Online Conference

Contact: Meenakshy Jyothis

Description

The fourteenth Annual Binghamton University Graduate Combinatorics Algebra and Topology Conference (BUGCAT Conference) will meet November 6-7 and November 13-14, 2021 online. Graduate students at all levels, as well as faculty, are invited to give a 30-minute talk; talks may be expository or on current research. The deadline for submitting talks is October 15. This year, we have three distinguished keynote speakers: Tara Holm (Cornell Univsersity), Dandrielle Lewis (High Point Univsersity) and Inna Zakharevich (Cornell University).

Event Contact and Website Info: http://seminars.math.binghamton.edu/BUGCAT/index.html

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])

May 2022

Cornell Topology Festival

at.algebraic-topology gr.group-theory gt.geometric-topology
2022-05-06 through 2022-05-08
Cornell University
Ithaca, NY; USA

Meeting Type: conference

Contact: Timothy Riley

Description

The Cornell Topology Festival is a three-day annual conference showcasing recent developments in topology and allied areas.

June 2022

Homotopy theory with applications to arithmetic and geometry [European side]

ag.algebraic-geometry at.algebraic-topology gt.geometric-topology nt.number-theory
2022-06-27 through 2022-06-30
Max Planck Institute
Bonn; Germany

Meeting Type: twinned conference (see description)

Contact: Aaron Mazel-Gee

Description

The field of homotopy theory originated in the study of topological spaces up to deformation, but has since been applied effectively in several other disciplines. Indeed, homotopical ideas lead to the resolution of several long-standing open conjectures, for instance on smooth structures on spheres, the moduli of curves, and the cohomology of fields. More recently, Bhatt, Morrow, and Scholze used homotopical methods to compare different cohomology theories for algebraic varieties, thereby resolving open questions in arithmetic geometry. In a similarly arithmetic vein, Galatius and Venkatesh initiated the study of Galois representations with homotopical means, whereas Clausen and Scholze revisited the foundations of analytic topology. These and other recent developments in the interface of arithmetic and topology opened up new lines of attack towards classical open questions, which sparked a wide range of current research activities. This conference intends to survey some of the most spectacular recent advances in the fields, thereby paving the way to new developments and future interactions. Our goal is to foster scientific exchange and collaboration between established researchers, emerging leaders, early career mathematicians, and graduate students.

This will be a split transatlantic conference taking place at the Fields Institute in Canada and the Max Planck Institute for Mathematics in Germany, with videoconferencing connections in place to help collaboration.

Homotopy theory with applications to arithmetic and geometry [North American side]

nt.number-theory gt.geometric-topology at.algebraic-topology ag.algebraic-geometry
2022-06-27 through 2022-06-30
Fields Institute
Toronto, Ontario; Canada

Meeting Type: twinned conference (see description)

Contact: Aaron Mazel-Gee

Description

The field of homotopy theory originated in the study of topological spaces up to deformation, but has since been applied effectively in several other disciplines. Indeed, homotopical ideas lead to the resolution of several long-standing open conjectures, for instance on smooth structures on spheres, the moduli of curves, and the cohomology of fields. More recently, Bhatt, Morrow, and Scholze used homotopical methods to compare different cohomology theories for algebraic varieties, thereby resolving open questions in arithmetic geometry. In a similarly arithmetic vein, Galatius and Venkatesh initiated the study of Galois representations with homotopical means, whereas Clausen and Scholze revisited the foundations of analytic topology. These and other recent developments in the interface of arithmetic and topology opened up new lines of attack towards classical open questions, which sparked a wide range of current research activities. This conference intends to survey some of the most spectacular recent advances in the fields, thereby paving the way to new developments and future interactions. Our goal is to foster scientific exchange and collaboration between established researchers, emerging leaders, early career mathematicians, and graduate students.

This will be a split transatlantic conference taking place at the Fields Institute in Canada and the Max Planck Institute for Mathematics in Germany, with videoconferencing connections in place to help collaboration.

July 2022

Homotopical Methods in Fixed Point Theory

at.algebraic-topology
2022-07-11 through 2022-07-15
University of Colorado Boulder
Boulder, CO; USA

Meeting Type: summer school

Contact: Agnes Beaudry, Kate Ponto, Dylan Wilson

Description

Description The goal of this summer school is to introduce participants to tools and ideas from algebraic topology and homotopy theory that are used in the study of fixed point theory. The workshop will be centered around mini-courses, both on classical fixed-point theory and on modern techniques such as duality theory, spectra, and trace methods in algebraic K-theory.

The intended audience for this summer school should be familiar with the material in Hatcher (except the appendices). This reflects our goal that the school be accessible to second and third year students with an interest in algebraic topology. The school will be structured around a few mini-courses, which will run in an active-learning style.