School and Workshop: Algebraic and Geometric Combinatorics of Reflection Groups

May 29 - June 9, 2017

Program
 

Monday, May 29, 2017
09:30 - 10:00
Registration and Coffee & Croissants

Session - School: Algebraic and Geometric Combinatorics of Reflection Groups
Meeting room(s) : UQAM, Pav. Président-Kennedy, PK-R250

10:00 - 12:00
Christophe Hohlweg
(UQÀM)
Introduction to Coxeter Groups & Reflection Groups - Part I
Diapos / Slides
12:00 - 14:00
Lunch break
14:00 - 16:00
Matthew J. Dyer
(University of Notre Dame)
Introduction to Coxeter Groups & Reflection Groups - Part II
16:00 - 18:00
Nicolas M. Thiéry
(Université Paris-Sud)
Exercise and computational sessions
Exercises

16:00
Coffee

 

Tuesday, May 30, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UQAM, Pav. Président-Kennedy, PK-R250

10:00 - 12:00
Piotr Przytycki
(McGill University)
The isomorphism problem for Coxeter groups - Part I
Abstract
12:00 - 14:00
Lunch break
14:00 - 16:00
Cédric Bonnafé
(Université Montpellier 2)
Representations of rational Cherednik algebras at $t=0$ - Part I
Abstract
16:00 - 18:00
Nicolas M. Thiéry
(Université Paris-Sud)
Exercise and computational sessions
Exercises

16:00
Coffee

 

Wednesday, May 31, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UQAM, Pav. Président-Kennedy, PK-R250

10:00 - 12:00
Piotr Przytycki
(McGill University)
The isomorphism problem for Coxeter groups - Part II
Abstract
12:00 - 14:00
Lunch break
14:00 - 16:00
Cédric Bonnafé
(Université Montpellier 2)
Representations of rational Cherednik algebras at $t=0$ - Part II
Abstract
16:00 - 18:00
Nicolas M. Thiéry
(Université Paris-Sud)
Exercise and computational sessions
Exercises

16:00
Coffee

 

Thursday, June 1, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UQAM, Pav. Président-Kennedy, PK-R250

10:00 - 12:00
Vic Reiner
(University of Minnesota)
Reflection group invariant theory and generating functionology - Part I
Abstract

Diapos / Slides
12:00 - 14:00
Lunch break
14:00 - 16:00
Nathan Reading
(North Carolina State University)
Lattice congruences of the weak order - Part I
Abstract

Diapos / Slides
16:00 - 18:00
Nicolas M. Thiéry
(Université Paris-Sud)
Exercise and computational sessions
Exercises

16:00
Coffee

 

Friday, June 2, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UQAM, Pav. Président-Kennedy, PK-R250

10:00 - 12:00
Vic Reiner
(University of Minnesota)
Reflection group invariant theory and generating functionology - Part II
Abstract

Diapos / Slides
12:00 - 14:00
Lunch break
14:00 - 16:00
Nathan Reading
(North Carolina State University)
Lattice congruences of the weak order - Part II
Abstract

Diapos / Slides
16:00 - 18:00
Nicolas M. Thiéry
(Université Paris-Sud)
Exercise and computational sessions
Exercises

16:00
Coffee

 

Monday, June 5, 2017
09:30 - 10:00
Registration and Coffee & Croissants

Session - Workshop: Algebraic and Geometric Combinatorics of Reflection Groups
Meeting room(s) : UdeM, Pav. Claire-McNicoll, Z-220

10:00 - 11:00
Nathan Reading
(North Carolina State University)
Lattice homomorphisms between weak orders and between Cambrian lattices
Abstract

Diapos / Slides
11:00 - 12:00
Salvatore Stella
(Università degli studi di Roma "La Sapienza")
Polytopal Realizations of Finite Type $\mathbf{g}$-Vector Fans
Abstract
12:00 - 15:30
Lunch break
15:30 - 16:00
Coffee
16:00 - 17:00
Cesar Ceballos
(Universität Wien)
Combinatorics and Geometry of $v$-Tamari lattices
Abstract
17:00 - 18:00
Karola Mészáros
(Cornell University)
From Generalized Permutahedra to Grothendieck Polynomials via Flow Polytopes
Abstract

 

Tuesday, June 6, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UdeM, Pav. Claire-McNicoll, Z-220

10:00 - 11:00
Patricia Hersh
(North Carolina State University )
Shelling Bruhat Order and the Proof of a Conjecture of Thomas Lam
Abstract
11:00 - 12:00
Vivien Ripoll
(Universität Wien)
Some Geometric Properties of Limit Roots of Coxeter Groups
Abstract
12:00 - 15:30
Lunch break
15:30 - 16:00
Coffee
16:00 - 17:00
Maria Chlouveraki
(UVSQ / Université Paris-Saclay)
Combinatorics of Multipartitions and Families of Characters
Abstract
17:00 - 18:00
Yuya Mizuno
(Shizuoka University)
A Connection Between the Module Category over a Path Algebra and the Coxeter Group
Abstract

 

Wednesday, June 7, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UdeM, Pav. Claire-McNicoll, Z-220

10:00 - 11:00
Patrick Dehornoy
(Université de Caen)
Multifraction Reduction in Artin-Tits Groups
Abstract
11:00 - 12:00
Jon McCammond
(UC Santa Barbara)
The Intrinsic Geometry of the Dual Braid Complex
Abstract
12:00 - 15:30
Lunch break
15:30 - 16:00
Coffee
16:00 - 17:00
Christian Stump
(Otto-von-Guericke-Universität Magdeburg)
From Shi Arrangements to Reflection Multi-Arrangements
Abstract
17:00 - 18:00
Kasia Jankiewicz
(McGill University)
Graph coloring problem and fibering right angled Coxeter groups
Abstract

 

Thursday, June 8, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UdeM, Pav. Claire-McNicoll, Z-220

10:00 - 11:00
Piotr Przytycki
(McGill University)
A Step Towards Twist Conjecture
Abstract
11:00 - 12:00
Timothée Marquis
(UCL)
Conjugacy Classes in Coxeter Groups
Abstract
12:00 - 15:30
Lunch break
15:30 - 16:00
Coffee
16:00 - 17:00
Anna Felikson
(Durham University)
Hyperbolic Coxeter Polytopes
Abstract
17:00 - 18:00
Jacek Swiatkowski
(Wroclaw University)
Coxeter groups with the $n$-dimensional Sierpinski compacta as boundaries
Abstract

 

Friday, June 9, 2017
09:30 - 10:00
Coffee & Croissants


Meeting room(s) : UdeM, Pav. Claire-McNicoll, Z-220

10:00 - 11:00
Sara Billey
(University of Washington)
Reduced Words and a Formula of Macdonald
Abstract
11:00 - 12:00
Vic Reiner
(University of Minnesota)
Invariant Derivations and Differential Forms for Reflection Groups
Abstract
12:00 - 13:30
Lunch break
13:30 - 14:00
Coffee
14:00 - 15:00
Martina Lanini
(Università degli Studi di Roma “Tor Vergata”)
Combinatorial Fock Space and Representations of Quantum Groups at Roots of Unity
Abstract
15:00 - 16:00
Jean Michel
(Université Denis Diderot - Paris 7)
Cyclotomic Root Systems
Abstract

Last modified : Tuesday, June 13, 2017 11:01