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1
Companion forms for GSp4
09 dec 2024 - 20 dec 2024 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
We believe that the role played by CM forms in Coleman’s conjecture should be replaced by Yoshida lifts in the setting of Siegel cuspidal Hecke eigenforms of genus 2. In particular, the purpose of our project is to show that the Yoshida lifts lie in the image of a certain theta operator. Although companion forms and theta operators of in this setting of Siegel modular forms have studied in characteristic p by numerous authors, the characteristic 0 story remains unexplored.
Identifiant de l'évènement:
1633894
2
ICOT-24 — International conference on operator theory
16 dec 2024 - 18 dec 2024 • Hammamet , Tunisie
Résumé:
Operator Theory and particularly Spectral Theory are at the root of several branches in Mathematics and offer a wide range of challenging research problems. The purpose of this conference is to highlight some of the major theoretical advances in the fields of Operator Theory, Spectral Theory and Functional Analysis. The wide scope of the Conference ICOT should provide an excellent opportunity for sharing ideas and problems amongst specialists.
Identifiant de l'évènement:
1634243
3
CIRM-IHP PROGRAM RESEARCH SCHOOL — Methods in representation theory and operator algebras
06 jan 2025 - 10 jan 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
The research school is an introductory meeting to the thematic program “Representation Theory and Noncommutative Geometry” to be held at IHP from January to March 2025. The trimester is part of an ongoing effort to bridge two fiels of Mathematics : the representation theory of locally compact groups and the theory of operator algebras. These research domains share origins in harmonic analysis, spectral theory and quantum mechanics but grew in separate directions. Recent progress in representation theory, involving especially non-Riemannian symmetric spaces and spherical varieties, and new tools developed in operator algebras, especially those involving K-theory and the other methods of non-commutative geometry, offer exciting prospects for new work at the interface between the two fields.
Identifiant de l'évènement:
1633893
4
Introductory Workshop EHTW01 — Equivariant homotopy theory in context
13 jan 2025 - 17 jan 2025 • Cambridge , Royaume-Uni
Organisateur:
Isaac Newton Institute for Mathematical Sciences
Sujets:
Equivariant techniques have played a critical role in the proofs of several major results and developments in algebraic topology over the past decade. Examples include the solution of the famous Kervaire invariant one problem, computations of previously inaccessible homotopy groups of spheres based on the motivic Adams spectral sequence, and the new equivariant approach to THH, TC, and algebraic K- theory. The programme will unite experts and young researchers who apply homotopic methods in algebra (operads), algebraic topology, and algebraic geometry (motivic homotopy theory) around the common theme of equivariant methods. Though these methods have already led to significant breakthroughs, their potential is clearly far from exhausted. We foresee that this programme will incite further developments and greater synergies between equivariant homotopy theory and the themes of the programme centred around three workshops: "Operads and calculus", "Chromatic and motivic homotopy theory" and "THH, TC and algebraic K- theory".
Identifiant de l'évènement:
1577947
5
RESEARCH SCHOOL — Arithmetic, Algebraic and Analytics Dynamics
20 jan 2025 - 24 jan 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
The main goal of these Etats de la recherche is to review some of the most recent spectacular developments in algebraic, analytic and arithmetic dynamics. Covered themes will include a variety of problems related to the iteration of rational maps on algebraic varieties as well as the study of their dynamical moduli spaces. Depending on the structure of the ambient field over which these maps are defined, methods may vary drastically. Over the field of complex numbers, one speaks of holomorphic dynamics in which quasi-conformal deformations play a key role. The case of maps defined over general metrized fields have led to the developments of dynamics over Berkovich spaces. One can also consider maps over number fields whose study lies at the core of arithmetic dynamics. Interactions between these various fields have deepened in the recent years. Complex pluripotential theory combined with tools from arithmetic geometry has been used to prove equidistribution results with applications to problems of unlikely intersection, and to explore dynamical moduli spaces and their special varieties. Methods in p-adic analysis and from the minimal model program have revolutionized our understanding of groups of birational transformations. Non-archimedean dynamics has been turned into a very efficient tool to analyze degeneration problems in holomorphic dynamics.
Identifiant de l'évènement:
1633944
6
THEMATIC MONTH — Singularities, differential equations, transcendence
27 jan 2025 - 28 fév 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
This Thematic Month aims to cover topics related to singularity theory of algebraic or analytic spaces, algebraic study of differential equations, and their applications to questions of transcendence. This 5-week program covers different themes that are often not closely related. One of the main objectives is to make them interact. To encourage participants (especially the youngest ones) to attend the entire month and foster interactions outside each one’s expertise zone, the scientific program of each week of the month will consist of courses accessible to non-experts, as well as more specialized presentations.
Identifiant de l'évènement:
1633925
7
ICPMA-2025 — International Conference on Pure Mathematics and its Applications
05 fév 2025 - 07 fév 2025 • Kolkatta, Inde
Organisateur:
Department of Pure Mathematics, University of Calcutta, India
Résumé:
International Conference on Pure Mathematics and its Applications (ICPMA-2025) aims to bring together several leading academicians and researchers from different corners of the world to exchange their knowledge and share their research outcomes. This conference intends to provide a platform, particularly for young researchers, to learn from the veterans and rejuvenate through the academic discussions with the experts of various fields of mathematics.
Contact:
Convenor or Jt. Convenor;     Email.: cupuremathseminar@caluniv.ac.in
Sujets:
Algebra, Differential Equations, Dynamical Systems and Nonlinear Analysis, Functional Analysis, Geometry and Topology, Graph Theory, Harmonic Analysis, Mathematical Logic, Measure Theory, Number Theory and Cryptography, Real and Complex Analysis.
Identifiant de l'évènement:
1643878
8
Operator theory and indefinite inner products (in memory of Heinz Langer).
07 fév 2025 - 09 fév 2025 • Vienna , Autriche
Résumé:
This meeting is dedicated to the memory of Heinz Langer, who unexpectedly passed away on 25th January 2024 in the eighty-ninth year of his life. The intention is to gather friends and colleagues and keep alive the memories of Heinz -- as a person and as a scientist.
Identifiant de l'évènement:
1634283
9
ACD2025 — Computational Interactions between Algebra, Combinatorics, and Discrete Geometry
10 fév 2025 - 14 fév 2025 • Los Angeles, CA, États-Unis
Organisateur:
Institute for Pure & Applied Mathematics (IPAM)
Résumé:
Over the last half a century, Algebra, Combinatorics, and Discrete Geometry have undergone transformations due, in part, to the connections each of these areas have to other fields and the growth of computational approaches used in the study of theoretical mathematics. These areas are closely intertwined, with various algebraic, combinatorial, and geometric objects playing pivotal roles. These objects include monomial ideals, affine semigroup rings, Stanley-Reisner rings, Ehrhart rings, toric rings, Cox Rings, Chow Rings, Gröbner bases on the algebraic side; graphs, matroids, simplicial complexes, polytopes and polyhedral complexes, convex bodies, posets, lattices, arrangements of hyperplanes on the combinatorial and discrete geometry side.
Identifiant de l'évènement:
1625098
10
ESI Workshop — Recent Perspectives on Non-crossing Partitions through Algebra, Combinatorics, and Probability
17 fév 2025 - 21 fév 2025 • Vienna, Autriche
Organisateur:
Erwin Schrödinger International Institute for Mathematics and Physics (ESI)
Identifiant de l'évènement:
1617062
11
WS4 — Asymptotic Expansion of τ-functions and related topics
17 fév 2025 - 21 fév 2025 • RIMS Kyoto University, Japon
Identifiant de l'évènement:
1628336
12
RESEARCH IN RESIDENCE — Unsolvable problems in dynamical systems
24 fév 2025 - 08 mar 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
Starting in the 2011 Annals of Mathematics paper of Foreman, Rudolph and Weiss there have many results showing that classical problems in dynamical systems are unsolvable using inherently countable resources. The initial results were for abstract measure preserving systems, but more recent work has focussed on smooth systems on compact manifolds. Gerber and Kunde have made very significant contributions for smooth transformations that are weakly mixing and for Kautomorphisms. They also showed that the Kakutani equivalence relation is not Borel. These results raise more questions than they solve! The proposed Research inResidence is to bring the four researchers together to share knowledge and techniques and hopefully make progress on the open problems.
Identifiant de l'évènement:
1633940
Sujets apparentés:
13
Winter school on K-stability
03 mar 2025 - 07 mar 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
K-stability is a central topic in modern complex geometry. It characterises Fano manifolds that admit a Kähler-Einstein metric and provides a good notion of compact moduli space for Fano varieties. The winter school will bring together experts on K-stability who will give 8 mini-courses for PhD students and young researchers with a special focus on explicit problems in dimensions two and three. Along with lecture courses, there will be exercise sessions.
Identifiant de l'évènement:
1634027
14
RESEARCH IN RESIDENCE 1 — K-stability
10 mar 2025 - 21 mar 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
We plan to work on several explicit problems about K-stability of smooth and singular Fano threefolds described in the proposal together with Hamid Abban (Nottingham, England) and Kento Fujita (Osaka, Japan). Hamid Abban works on K-stability of Fano varieites, and birational geometry of Fano varieties. His recent results on K-stability crucially changed the subject over the last two years. Kento Fujita is an expert in the general theory of K-stability of Fano varieties. One of the most important works of Fujita consisted on finding and proving a valuative criterion for K-stability.
Identifiant de l'évènement:
1634004
15
ESI Workshop — Structures in Banach Spaces
17 mar 2025 - 21 mar 2025 • Vienna, Autriche
Organisateur:
Erwin Schrödinger International Institute for Mathematics and Physics (ESI)
Identifiant de l'évènement:
1617071
Sujets apparentés:
16
Motivic homotopy theory
17 mar 2025 - 21 mar 2025 • Regensburg , Allemagne
Organisateur:
Faculty of Mathematics at the Universität Regensburg
Identifiant de l'évènement:
1634342
Sujets apparentés:
17
Algebraic and Analytic Methods in Combinatorics
17 mar 2025 - 21 mar 2025 • Berkeley, Californie, États-Unis
Organisateur:
Simons Laufer Mathematical Sciences Institute (SLMath)
Résumé:
Many exciting breakthroughs in combinatorics involve innovative applications of techniques from a wide range of areas such as harmonic analysis, polynomial and linear algebraic methods, spectral graph theory, and representation theory. This workshop will present recent developments in this area and facilitate discussions of research problems.
Sujets:
extremal combinatorics, extremal graph theory, probabilistic combinatorics, discrete geometry, additive combinatorics, combinatorial geometry, incidence geometry, arithmetic progressions, Discrete analysis
Identifiant de l'évènement:
1571366
Sujets apparentés:
18
Workshop EHTW02 — Operads and calculus
07 avr 2025 - 11 avr 2025 • Cambridge , Royaume-Uni
Organisateur:
Isaac Newton Institute for Mathematical Sciences
Identifiant de l'évènement:
1577882
19
CIRM-IHP PROGRAM RESEARCH SCHOOL — Geometric structures and discrete group actions
14 avr 2025 - 18 avr 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
During the past decades, Teichmüller–Thurston theory and its connections to geometrization of 3-manifolds have been used as a model to understand discrete subgroups of higher rank Lie groups and their associated locally homogeneous manifolds. This lead to spectacular developments in which the notion of Anosov group (a subtle higher rank generalization of convex-cocompactness) plays a central role. This school, aimed primarily at PhD students and young postdocs, will present the fundamental results on which these recent developments build, including both geometric, dynamical and analytic aspects of discrete subgroups of Lie groups.
Identifiant de l'évènement:
1634055
Sujets apparentés:
20
Frieze patterns in algebra, combinatorics and geometry
12 mai 2025 - 16 mai 2025 • CIRM (Marseille Luminy), France
Organisateur:
CIRM – Centre International de Rencontres Mathématiques
Résumé:
Friezes, introduced 50 years ago by Coxeter, are patterns of integers defined by a simple, local condition. They consist of a finite (or infinite) number of rows written in a lattice, starting with a row of 0s and a row of 1s and satisfying a local SL2-rule: for any four neighbours a, b, c, d forming a diamond we require ad − bc = 1. Since the discovery of links to cluster algebras of type A, a plethora of generalisations have been studied in the last decades. With this workshop, we will provide a platform to establish new links between friezes and research areas in geometry, algebra and combinatorics.
Identifiant de l'évènement:
1634106
21
Workshop EHTW03 — New horizons for equivariance in homotopy theory
12 mai 2025 - 16 mai 2025 • Cambridge , Royaume-Uni
Organisateur:
Isaac Newton Institute for Mathematical Sciences
Identifiant de l'évènement:
1577916
22
Enveloping Algebras and Geometric Representation Theory
18 mai 2025 - 23 mai 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605275
23
Torus Action and Characteristic Classes
01 jui 2025 - 07 jui 2025 • Będlewo, Pologne
Organisateur:
Banach Center
Identifiant de l'évènement:
1633376
24
Recent Trends in Algebraic Geometry
15 jui 2025 - 20 jui 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605294
Sujets apparentés:
25
The Yang-Baxter Equations and All That
15 jui 2025 - 21 jui 2025 • Będlewo, Pologne
Organisateur:
Banach Center
Résumé:
The conference will explore the Yang-Baxter equation (YBE), a central topic in pure mathematics with connections to particle physics, statistical mechanics, and various mathematical fields like algebra, knot theory, tensor categories, and Hopf–Galois theory. Introduced in the 1960s by Yang and Baxter, the YBE has evolved into a rich and profound area of study. Drinfel'd's combinatorial version of the YBE, proposed in 1992, unveiled deep connections to numerous mathematical structures, including skew polynomial algebras, Bieberbach and Garside groups, and self-distributive structures such as racks and quandles. New algebraic concepts such as cycle sets, braces, and trusses were developed to address YBE-related problems and have found applications in other areas of mathematics.
Identifiant de l'évènement:
1633312
Sujets apparentés:
26
Workshop EHTW04 — Beyond the telescope conjecture
16 jui 2025 - 20 jui 2025 • Cambridge , Royaume-Uni
Organisateur:
Isaac Newton Institute for Mathematical Sciences
Sujets:
Equivariant homotopy theory in context
Identifiant de l'évènement:
1577895
27
Conference — Prime numbers and arithmetic randomness
23 jui 2025 - 27 jui 2025 • CIRM, Marseille, France
Organisateur:
Centre International de Rencontres Mathématiques (CIRM)
Identifiant de l'évènement:
1613959
28
Combinatorics around the q-Onsager Algebra — celebrating the 70th birthday of Paul Terwilliger
23 jui 2025 - 28 jui 2025 • Kranjska Gora, Slovénie
Identifiant de l'évènement:
1625149
29
CIMPA School on Automorphic L-functions
30 jui 2025 - 11 jul 2025 • IIT Ropar, Inde
Organisateur:
Centre International de Mathématiques Pures et Appliquées (CIMPA)
Résumé:
An L-function is a function defined additively by a Dirichlet series with a multiplicative Euler product. The initial work of Dirichlet was generalized to number fields by Hecke and given an adelic interpretation by Tate which paved the way to move from GL(1) to higher degree L functions associated to automorphic forms of GL(n) for a general n . Automorphic L functions are essentially analytic objects and allow translations between arithmetic and analysis. We recall the legendary correspondence in the case of the Riemann-ζ function, the prototype of higher L -functions both analytic and arithmetic-algebraic, between an arithmetic statement on the distribution of primes and an analytic one on the distribution of its zeros. Now there are many more parameters to explore. For example, bounding twisted automorphic forms in terms of conductors help obtain the asymptotics of representations of totally positive integers by ternary quadratic forms. The aim of this school is to prepare the participants to appreciate the contemporary theory of automorphic representations, their L -functions and their surprising links with diverse fields like Fourier analysis, algebraic geometry and theoretical physics.
Identifiant de l'évènement:
1613861
30
Focus Program on Algebraic Topology In memory of Fred Cohen
02 jul 2025 - 01 aou 2025 • Toronto, Ontario, Canada
Organisateur:
The Fields Institute for Research in Mathematical Sciences
Résumé:
Homotopy theory is in the midst of a renaissance as its usefulness in other areas of mathematics is becoming increasingly recognised. From polyhedral products in geometric group theory, to combinatorial methods in group theory, to topological properties of manifolds and spaces of embeddings, to Morava K-theory in symplectic geometry, to simplicial methods in topological data analysis, to a host of applications in mathematical physics - and these name only a few areas of interaction - homotopy theory over the past ten to fifteen years has significantly extended its reach. This program will assemble a wide range of leading experts to discuss the state of the art in current research, both in terms of core fundamental problems and crossover to other areas, and explore exciting new directions.
Identifiant de l'évènement:
1580105
Sujets apparentés:
31
20th Workshop: Noncommutative Probability, Operator Algebras and Related Topics, with Applications
06 jul 2025 - 12 jul 2025 • Będlewo, Pologne
Organisateur:
Banach Center
Identifiant de l'évènement:
1633358
32
IWOTA 2025 — International workshop on operator theory and applications
14 jul 2025 - 18 jul 2025 • University of Twente, Pays-Bas
Identifiant de l'évènement:
1634324
Sujets apparentés:
33
C*-Algebras
03 aou 2025 - 08 aou 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605320
34
Algebraic K-theory
10 aou 2025 - 15 aou 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605385
35
Cohomology Theories for Automorphic Forms and Enumerative Algebra
24 aou 2025 - 29 aou 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605416
36
Singularities
28 sep 2025 - 03 oct 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605422
Sujets apparentés:
37
Frontiers of Lie Theory: Computational Aspacts and Applications
28 sep 2025 - 04 oct 2025 • Będlewo, Pologne
Organisateur:
Banach Center
Résumé:
Since its origins in the work of Sophus Lie (now more than a century ago), Lie theory has seen tremendous developments and is now fundamental in many areas of mathematics (like group theory, geometry, symmetric spaces etc) and physics (quantum mechanics, particle physics, theory of gravity). Nowadays there are specialized computer packages such as LiE, the Atlas project, the package Chevie for GAP3, the program ChevLie. Also the more general purpose computer algebra systems GAP4, MAGMA and SageMath have large libraries for dealing with various objects that are central to Lie theory.
Identifiant de l'évènement:
1633308
Sujets apparentés:
38
Arithmetic Statistics for Algebraic Objects
09 nov 2025 - 14 nov 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605464
Sujets apparentés:
39
Homogeneous Structures: Model Theory meets Universal Algebra
14 dec 2025 - 19 dec 2025 • Oberwolfach, Allemagne
Sujets:
Mathematisches Forschungsinstitut Oberwolfach (MFO, Oberwolfach Research Institute for Mathematics)
Identifiant de l'évènement:
1605483
40
Combinatorics and Geometry in Ioannina
02 sep 2026 - 06 sep 2026 • Ioannina, Grèce
Résumé:
Our meeting will bring together researchers in various fields of mathematics such as Geometry, Combinatorics and Algebra. Through scientific talks new directions will be given and open problems will be proposed aiming at new collaborations among the participants.
Sujets:
Geometry, Combinatorics, Commutative Algebra.
Identifiant de l'évènement:
1624283


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Dernière mise à jour: 19 novembre 2024