Conférences - Théorie des graphes et combinatoire - États-Unis

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1
Braids in Representation Theory and Algebraic Combinatorics
14 fév 2022 - 18 fév 2022 • Providence, RI, États-Unis
Organisateur:
ICERM
Résumé:
Braid groups and their generalizations play a central role in a number of places in 21st-century mathematics. In modern representation theory, braid groups have come to play an important organizing role, somewhat analogous to the role played by Weyl groups in classical representation theory. Recent advances have established strong connections between homological algebra (t-structures and stability conditions), geometric representation theory (Hilbert schemes, the Hecke category, and link homologies), and algebraic combinatorics (shuffle algebras, symmetric functions, and also Garside theory). Braid groups appear prominently in many of these connections. The goal of this workshop will be to bring experts in these different areas together to both communicate recent advances and also to formulate important questions for future work.
Contact:
Tél.: [401 863 5030];     Email.: info@icerm.brown.edu
Identifiant de l'évènement:
1417379
2
Ergodic operators and quantum graphs
06 jui 2022 - 10 jui 2022 • Stony Brook, États-Unis
Résumé:
Ergodic Schrödinger operators have been studied heavily since the 1970s, as they include many examples of physical interest, such as disordered media, electrons in an external magnetic field, and quasicrystals. These operators enjoy many subtle connections to other areas of mathematics, such as dynamical systems, topology, and group theory. The study of quantum graphs stems from the modeling of thin waveguides arranged into a topological network. Such models appeared already in the 1930s but have experienced a surge in popularity in recent years. Recent works have exploited connections between these two fields; these developments have scratched the surface of a much larger opportunity for collaboration. Thus, the aim of this workshop is to bring these two communities together for two purposes: to disseminate recent results, and to foster collaboration and communication between these communities.
Identifiant de l'évènement:
1459881
Sujets apparentés:
3
PP2022 — Permutation Patterns 2022
20 jui 2022 - 24 jui 2022 • Valparaiso, Indiana, États-Unis
Organisateur:
Valparaiso University, Department of Mathematics and Statistics
Résumé:
The 20th International Conference on Permutation Patterns will be held at Valparaiso University (Valparaiso, Indiana, USA). The conference will feature current research in the area of permutation patterns and its applications. Major themes in the conference include the structural theory of pattern classes, asymptotic behavior of pattern classes, generalized pattern avoidance, packing densities, and algorithmic and decidability problems.
Sujets:
permutation, pattern class, packing density, enumerative combinatorics, algebraic combinatorics
Date limite de soumission des résumés:
30 avr 2022
Identifiant de l'évènement:
1442694
4
CCAAGS-22 — Combinatorial, Computational, and Applied Algebraic Geometry
27 jui 2022 - 01 jul 2022 • University of Washington, Seattle, WA, États-Unis
Résumé:
CCAAGS-22 aims to bring together researchers working in the creative mixture of combinatorial and computational ideas in applied algebraic geometry. Part of this event will celebrate Bernd Sturmfels and his contributions to the field.
Identifiant de l'évènement:
1445875
Sujets apparentés:
5
Summer Graduate School — Random Graphs
05 jul 2022 - 16 jul 2022 • Mathematical Sciences Research Institute, Berkeley, États-Unis
Organisateur:
Mathematical Sciences Research Institute (MRSI)
Résumé:
The topic of random graphs is at the forefront of applied probability, and it is one of the central topics in multidisciplinary science where mathematical ideas are used to model and understand the real world. At the same time, random graphs pose challenging mathematical problems that have attracted the attention from probabilists and combinatorialists since the 1960, with the pioneering work of Erdös and Rényi. Around the turn of the millennium, very large data sets started to become available, and several applied disciplines started to realize that many real-world networks, even though they are from various different origins, share many fascinating features. In particular, many of such networks are small worlds, meaning that graph distances in them are typically quite small, and they are scalefree, in the sense that there are enormous differences in the number of connections that their elements make. In particular, such networks are quite different from the classical random graph models, such as proposed by Erdös and Rényi. Spurred by these findings, many novel models have been introduced and properties have been investigated.
Identifiant de l'évènement:
1443922
6
SIGMAP 2022 — Symmetries in Graphs, Maps, and Polytopes Workshop 2022
10 jul 2022 - 16 jul 2022 • University of Alaska Fairbanks Fairbanks, Alaska, États-Unis
Résumé:
The Symmetries in Graphs, Maps, and Polytopes Workshop has been providing researchers interested in symmetries of discrete objects and structures to meet, share results, discuss open problems, and start new collaborations every four years since its inaugural meeting in 1998 in Flagstaff, Arizona. SIGMAP2022 will be held at the University of Alaska Fairbanks, and will provide an intimate setting for learning about recent developments in the study of symmetry of discrete geometric objects such as graphs, maps, polytopes, and maniplexes, discussing open problems in the area, and forming collaborations to tackle them.
Identifiant de l'évènement:
1451717
Sujets apparentés:


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Dernière mise à jour: 17 Décembre 2021