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1
Workshop — Density Problems in Arithmetics
03 Apr 2023 - 04 Apr 2023 • Luminy, France
Organizer:
CIRM - Jean-Morlet Chair
Abstract:
ln this workshop, we will consider variants of Artin's primitive root conjecture leading to the study of the Galois groups of various radical extensions. Beyond the case of the multiplicative group studied by Lenstra and others, there are now also interesting results for elliptic radicals, and for division points in more general abelian varieties. ln this context, the elliptic analogue of Artin's conjecture is the Lang-Trotter conjecture, which is still open after more than 40 years.
Event listing ID:
1476306
Related subject(s):
2
Mini-School — Huge groups
03 Apr 2023 - 06 Apr 2023 • Montréal, Canada
Organizer:
CRM / Université de Montréal
Abstract:
This mini-school focuses on “huge” groups, such as the Cremona group and its subgroups, the homeomorphism group of a surface, the mapping class group of an infinite-type surface, a general Artin group. They can be studied through non-proper actions on nonpositively or negatively curved combinatorial spaces.
Event listing ID:
1482362
3
WORKSHOP — Density Problems in Arithmetics
03 Apr 2023 - 07 Apr 2023 • CIRM (Marseille Luminy) , France
Organizer:
CIRM – Centre International de Rencontres Mathématiques
Abstract:
ln this workshop, we will consider variants of Artin's primitive root conjecture leading to the study of the Galois groups of various radical extensions. Beyond the case of the multiplicative group studied by Lenstra and others, there are now also interesting results for elliptic radicals, and for division points in more general abelian varieties. ln this context, the elliptic analogue of Artin's conjecture is the Lang-Trotter conjecture, which is still open after more than 40 years.
Event listing ID:
1507556
Related subject(s):
4
Representations of Finite Groups
16 Apr 2023 - 22 Apr 2023 • Oberwolfach, Germany
Organizer:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Event listing ID:
1494856
5
Groupes ordonnés
24 Apr 2023 - 05 Apr 2023 • Québec City, Canada
Organizer:
Centre de recherches mathématiques – CRM / UQAM
Event listing ID:
1530703
6
Course — Orderable Groups
24 Apr 2023 - 05 May 2023 • Université de Montréal, Canada
Organizer:
Centre de recherches mathématiques (CRM)
Abstract:
The focus of these activities will be on the algebraic and dynamical aspects of ordered group theory. Introductory mini-courses will be given in the first week by Adam Clay (Manitoba), Tyrone Ghaswala (Waterloo), Thomas Koberda (Virginia) and Andrés Navas (Santiago). The second week will be devoted to research talks covering recent advances in both the theory of ordered groups and their applications in group theory, dynamics and low-dimensional topology.
Event listing ID:
1531360
7
1,2,3: Curves, Surfaces, and 3-Manifolds — Technion–Israel Institute of Technology
07 May 2023 - 11 May 2023 • Nahsholim, Israel
Abstract:
This conference will focus on the interactions between manifolds and submanifolds of dimensions 1, 2 and 3 and their relations to topological, geometric, and group theoretic questions in a celebration of the accomplishments and influences of Yair Minsky.
Event listing ID:
1513821
Related subject(s):
8
Geometry of subgroups
15 May 2023 - 26 May 2023 • Montréal, Canada
Organizer:
CRM / Université de Montréal
Abstract:
Understanding the geometry of the finitely generated subgroups of a group informs our understanding of that group significantly. For example, some hyperbolic groups enjoy the property that every finitely generated subgroup is quasi-convex. Groups which are incoherent and groups which are algebraically fibered do not have this property. This conference aims to explore some of the many directions in this field, including quasi-convexity in other contexts.
Event listing ID:
1482361
Related subject(s):
9
Géométrie des sous-groupes
15 May 2023 - 26 May 2023 • Québec City, Canada
Organizer:
Centre de recherches mathématiques – CRM
Event listing ID:
1530737
Related subject(s):
10
BIRS Workshop — Joint Spectra and related Topics in Complex Dynamics and Representation Theory
21 May 2023 - 26 May 2023 • Banff, Alberta, Canada
Organizer:
Banff International Research Station (BIRS) for Mathematical Innovation and Discovery
Abstract:
Mathematics has a wide range of different disciplines, from algebra to geometry and from analysis to topology, etc. Some discoveries, however, are able to link several disciplines together and open a field of interplay. Two of such recent discoveries are self-similar group representations and projective spectrum of linear operators. The goal of this workshop is bring together scholars in spectral theory, representation theory, complex dynamics and other related fields to exchange and examine some recent discoveries on self-similarity and projective spectrum.
Event listing ID:
1498990
11
Measured Group Theory, Stochastic Processes on Groups and Borel Combinatorics
22 May 2023 - 26 May 2023 • CIRM (Marseille Luminy), France
Organizer:
CIRM – Centre International de Rencontres Mathématiques
Abstract:
The proposed conference aims to bring together experts from different fields: group theory, ergodic theory, probability theory and descriptive set theory. The common interest is to study properties and invariants of infinite groups using various tools, like spectral theory, L2 theory, entropy, orbit equivalence, profinite methods, random walks and graph convergence. There is already considerable interaction between these fields and the proposed participants, but much more is needed. The conference will allow participants to assimilate each others language and will open new connections.
Event listing ID:
1503047
12
CMO/Banff Workshop — Interactions between Algebraic Topology and Geometric Group Theory
28 May 2023 - 02 Jun 2023 • Oaxaca, Mexico
Organizer:
Casa Matemática Oaxaca (CMO)
Abstract:
The mathematical notion of a group encapsulates our common idea of symmetry. Groups play an important role in mathematics, and their structure has profound impact in the solution of a variety of problems in pure and applied mathematics. Groups are often studied from different perspectives, putting an emphasis on qualitatively different features of their structure, and therefore leading to the resolution of problems that tend to be different in nature. The aim of this workshop is to bring together some of the leading figures in two of these areas, so that each can learn new problems and techniques from the other. This will help open new avenues of research which will advance the current state of the art.
Event listing ID:
1503652
Related subject(s):
13
Groups and Dynamics in Geometry — Celebrating the mathematics of Ursula Hamestädt
29 May 2023 - 02 Jun 2023 • Ascona , Switzerland
Event listing ID:
1478904
Related subject(s):
14
INMS Workshop — Polyhedral Products: a Path Between Homotopy Theory and Geometric Group Theory
05 Jun 2023 - 09 Jun 2023 • ICMS, Edinburgh, United Kingdom
Organizer:
ICMS - International Centre for Mathematical Sciences
Event listing ID:
1514096
Related subject(s):
15
3-manifold groups
05 Jun 2023 - 16 Jun 2023 • Montréal, Canada
Organizer:
CRM / Université de Montréal
Abstract:
This workshop focuses on several themes related to the fundamental groups of 3-manifolds. The themes include: the theory character varieties, Thurston norm polytopes and fibrations, orderability, profinite rigidity, and variations on the Cannon conjecture. The first week of the workshop will feature mini-courses by Ian Biringer (Boston College), Michelle Chu (Minnesota), Nathan Dunfield (Illinois-Urbana), and Daniel Groves (Illinois-Chicago). The second week will be devoted to research talks.
Event listing ID:
1482393
Related subject(s):
16
Cubes and combinatorial non-positive curvature
19 Jun 2023 - 30 Jun 2023 • Montréal, Canada
Organizer:
CRM / Université de Montréal
Abstract:
The mini-courses and research talks will address several themes, including: nonpositively-curved cube complexes, median spaces, (coarsely) Helly spaces and groups, and various combinatorial notions of nonpositive curvature. The first week of the workshop involves mini-courses by Elia Fioravanti (MPI Bonn), Thomas Haettel (Université de Montpellier), Nima Hoda (ENS Paris), Nir Lazarovich (Technion). The second week will be devoted to research talks.
Event listing ID:
1482469
17
Finite and Residually Finite Groups: a conference celebrating Pavel Shumyatsky's 60th birthday
20 Jun 2023 - 23 Jun 2023 • Bilbao, Spain
Abstract:
The conference "Finite and Residually Finite Groups", celebrating Pavel Shumyatsky's 60th birthday will be held in Bilbao (Spain), from June 20th to 23rd, 2023, and is jointly organised by the University of the Basque Country, the University of Brasilia, and the University of Padova. The format of the conference will include invited talks, contributed talks and a poster session. Also, there will be up to 15 accommodation grants for young researchers.
Contact:
Email: pavel60conference@gmail.com
Event listing ID:
1540162
Related subject(s):
18
Sub-Riemannian Geometry and Beyond, III
21 Jun 2023 - 23 Jun 2023 • Pisa, Italy
Abstract:
This conference is the 3rd of 5 meetings organized within the ERC project GeoMeG (Geometry of Metric Groups). The general plan is to bring together international researchers working in various areas of mathematics with connections to sub-Riemannian geometry or, more generally, metric geometry.

Introductory courses: June 19-20, 2023; Conference: June 21-23, 2023

Topics:
Lie groups
Event listing ID:
1538729
Related subject(s):
19
11th PhD Summer School in Discrete Mathematics
23 Jun 2023 - 01 Jul 2023 • Koper, Slovenia
Organizer:
UP FAMNIT: University of Primorska, Faculty of Mathematics, Natural Sciences and Information; UP IAM: University of Primorska, Andrej Marušič Institute; SDAMS: Slovenian Discrete and Applied Mathematics Society
Abstract:
The 11th PhD Summer School in Discrete Mathematics is a summer school aimed to bring together PhD students and early carreer researchers working in various areas of combinatorics. The 11th edition will be held in the coastal city of Koper, Slovenia.
Contact:
Email: sygn@upr.si
Topics:
Algebraic graph theory, spectral graph theory, discrete mathematics, algebraic combinatorics.
Event listing ID:
1536913
Related subject(s):
20
Specializations in Number Theory and Algebra
26 Jun 2023 - 29 Jun 2023 • Technion, Haifa, Israel
Abstract:
Interest in specialization of polynomials and Galois groups goes back at least to the work of Hilbert on the inverse Galois problem. This theory has found an abundance of applications in Algebra, Number Theory, Group Theory, and Arithmetic Geometry. In recent years, the area is blooming and we see striking results that open completely new horizons: The discovery of Hilbert irreducibility properties of algebraic groups, its connection with expanders and random walks, the interrelation with arithmetic-geometric properties of parametrizing varieties, and the exciting progress on the Cohen-Lenstra heuristics. The conference aims to bring together leading experts and young researchers interested in the area. We plan to leave an abundance of free time, dedicated to informal discussions. We believe that this will encourage the transfer of ideas, techniques, and will foster new collaborations and new research directions.
Event listing ID:
1507657
Related subject(s):
21
Geometry and analysis of groups and manifolds
26 Jun 2023 - 30 Jun 2023 • Pisa, Italy
Organizer:
De Giorgi Center of the Scuola Normale Superiore, Pisa, Italy
Abstract:
Geometric analysis and geometric group theory are two fields which have 
seen rapid progress in recent years, with the development of powerful 
tools that have solved major open questions and opened up exciting new 
avenues of inquiry. Both these fields are very active but there have been relatively few 
opportunities to explore the interaction between them. The goal of this 
conference is to bring together world-leading experts from these two 
different research communities in order to enable exchange of ideas and 
explore potential new applications.
Topics:
Geometric group theory, Geometric analysis, Geometric measure theory, analysis on metric spaces, quasiisometry, geometric flow, Ricci flow, quasisymmetry.
Event listing ID:
1535290
Related subject(s):
22
Group Actions and Low-Dimensional Topology
03 Jul 2023 - 07 Jul 2023 • El Barco de Ávila, Spain
Abstract:
This conference is part of a thematic program on geometric group theory and low-dimensional geometry and topology organized by the Agol Lab at ICMAT.
Event listing ID:
1538709
Related subject(s):
23
Homotopy theory, K-theory, and trace methods
05 Jul 2023 - 07 Jul 2023 • Radboud University, Nijmegen, Netherlands
Abstract:
This conference is organized around the themes of K-theory, (motivic) homotopy theory, topological Hochschild homology, trace methods, and related topics. It is dedicated to Bjørn Ian Dundas on the occasion of his 60th birthday.
Event listing ID:
1539993
Related subject(s):
24
7BIGTC2023 — 7th Biennial International Group Theory Conference
07 Aug 2023 - 11 Aug 2023 • Potchefstroom, South Africa
Organizer:
North-West University
Abstract:
The 7th Biennial International Group Theory Conference (7BIGTC2023) will be hosted by North-West University. The conference will take place at NWU Sports Village in Potchefstroom, South Africa from 7-11 August 2023. The first BIGTC was held in February 2011 in Malaysia and since then, the conference has been held every two years. The main objectives of this conference are to gather prominent researchers in the field of group theory and be the platform of information on the latest research in this area. The conference also aims to foster interest and motivation in pure mathematics in general and group theory in particular and exchange research ideas among group theorists and postgraduate students. In addition, specialists in the subject of group theory can present their latest research works and encourage interested students to progress and widen their knowledge in group theory.
Event listing ID:
1537183
25
CMO/Banff Workshop — Group Actions on Cantor Sets
03 Sep 2023 - 08 Sep 2023 • Oaxaca, Mexico
Organizer:
Casa Matemática Oaxaca (CMO)
Abstract:
In the recent development of Mathematics, the study of symmetry of highly singular objects has contributed to the simultaneous understanding of symmetries and groups. The aims of the Workshop are the study of symmetries of the Cantor set, and the understanding of the groups arising as symmetries of the Cantor set.
Event listing ID:
1503797
26
GRAZP — Groups and Rigidity Around the Zimmer Program
11 Sep 2023 - 16 Sep 2023 • Ventotene, Italy
Abstract:
The conference will take place in Ventotene, Italy from the 11th until the 11th of September 2023.   In addition to research talks there will be an instructional component in the form of three minicourses. Doctoral students and young researchers are particularly encouraged to apply.
Event listing ID:
1538611
27
Workshop — Operator Algebras and Applications: Groups and Group Actions
02 Oct 2023 - 06 Oct 2023 • The Fields Institute, Toronto, Ontario, Canada
Organizer:
The Fields Institute
Abstract:
Scheduled as part of Thematic Program on Operator Algebras and Applications
Event listing ID:
1494528
Related subject(s):
28
BIRS Workshop — Motives and Invariants: Theory and Applications to Algebraic Groups and their Torsors
08 Oct 2023 - 13 Oct 2023 • Banff, Alberta, Canada
Organizer:
Banff International Research Station (BIRS) for Mathematical Innovation and Discovery
Abstract:
In this workshop, we want to bring together researchers from both sides of this development: those mathematicians specializing in the application of modern algebraic and algebro-geometric methods to the study of algebraic groups and their torsors, as well as those working on relevant aspects of the motivic and cohomological approaches from a more abstract viewpoint. We hope that bringing this mix of researchers together will have a synergistic impact, leading to concrete new applications of the abstract machinery to outstanding problems on quadratic forms, algebras with involution and algebraic groups, but also inspiring progress on the general development of the motivic and cohomological methods.
Event listing ID:
1499243
29
BIRS Workshop — Subfactors and Fusion (2-)Categories
03 Dec 2023 - 08 Dec 2023 • Banff, Alberta, Canada
Organizer:
Banff International Research Station (BIRS) for Mathematical Innovation and Discovery
Abstract:
The symmetries of classical mathematical objects form a group. In the past several decades, we have seen new quantum mathematical objects like von Neumann algebras and quantum field theories whose symmetries are best described by tensor categories. One reason for this is that these mathematical objects naturally form higher categories, and thus their endomorphisms naturally form higher monoidal categories. In this sense, we view fusion categories as objects which encode quantum symmetries. Subfactors are a rich source of examples of exotic unitary fusion categories, and conversely, every unitary fusion category arises from a subfactor. This correspondence leads to deep mathematical connections between these fields. These mathematical objects are also intimately related to conformal field theory and topological phases of matter, which give topological quantum field theories, in which higher categories play an important role. The purpose of this workshop is built on the 2014 and 2018 BIRS workshops on subfactors and fusion categories, with the goal of studying these objects through a higher categorical lens. To do so, we will bring together world experts from subfactors, fusion categories, higher categories, and mathematical physics to further develop the deep and rich connections between these fields.
Event listing ID:
1499389
30
Workshop — Artin groups and arrangements: topology, geometry, and combinatorics
11 Mar 2024 - 16 Mar 2024 • MSRI, Berkeley, CA, United States
Organizer:
Mathematical Sciences Research Institute (MSRI)
Abstract:
This workshop brings together experts from different areas to discuss and foster collaboration on several topics of current interest related to Artin groups such as the K(π, 1) conjecture, hyperplane arrangements and abelian arrangements, combinatorial structures associated with dual Coxeter systems, and complexes of nonpositive curvature.
Event listing ID:
1538234
31
Representations of p-adic Groups
01 Dec 2024 - 06 Dec 2024 • Oberwolfach, Germany
Organizer:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Event listing ID:
1529852


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Last updated: 23 January 2023