61st Séminaire Lotharingien de Combinatoire

61st Séminaire Lotharingien de Combinatoire
Dedié à la mémoire de Pierre Leroux (1942–2008)
Organisers: Carlos André (Lisboa)
Olga Azenhas (Coimbra)
António Guedes de Oliveira (Porto)
Christian Krattenthaler (Wien)
Ricardo Mamede (Coimbra)
Programme
Monday, September 22 Tuesday, September 23 Wednesday, September 24
8:00 – 9:00
Breakfast
Breakfast
Breakfast
9:00 – 10:00
King
King
King
10:00 – 10:30
Coffee
Coffee
Coffee
10:30 – 11:30
Björner
Björner
Björner
11:30 – 12:00
Schlosser
Dukes
André
12:00 – 12:30
Han
Josuat-Vergès
Koutschan
Lunch
Lunch
Lunch
15:30 – 16:00
Coffee
Coffee
Coffee
16:00 – 16:30
Roichman
Labelle
Mező
16:30 – 17:00
Briand
Kaouche
Perez da Silva
17:00 – 17:30
Adin
Bergeron
Shin
17:30 – 18:00
Break
Break
Break
18:00 – 18:30
Zeng
18:30 – 19:00
Loureiro
19:00 – 20:00
Posters
Caselli, Incitti
Rosas, Stump
Posters
Caselli, Incitti
Rosas, Stump
Dinner
Dinner
12:30 –
20:00 –
···
···
Viennot
Cravo
König
Dinner
Main Lectures
Ron King: Schur functions and characters of Lie algebras and superalgebras
Anders Björner: Three topics in topological combinatorics
Contributed Talks
Ron Adin: Triangle-free triangulations
Carlos André: Combinatorial aspects of supercharacter theories of unitriangular groups
Nantel Bergeron: Isometry classes of generalized associahedra
Emmanuel Briand: Piecewise quasipolynomial formulas for Kronecker coefficients indexed by two-row shapes
Glória Cravo: Logical termination of workflows: an interdisciplinary approach
Mark Dukes: Permutations, (2 + 2)-free posets, and ascent sequences
Guo-Niu Han: A promenade in the garden of hook length formulas
Matthieu Josuat–Vergès: Rook placements in Young diagrams
Amel Kaouche: Invariants de graphes liés aux gaz imparfaits
Roman König: Some remarks on partition lattices
Christoph Koutschan: Proof of Ira Gessel’s lattice path conjecture
Gilbert Labelle: General combinatorial differential operators
Ana Filipa Loureiro: Inverse relations between powers of Bochner’s operator and a differential operator of any even order
István Mező: r-Stirling numbers, Whitney numbers, and their common generalization
Yuval Roichman : Flag orders
Ilda Perez da Silva: Orientability of cubes
Michael Schlosser: An elliptic generalization of the quantum binomial theorem
Xavier Viennot: Alternative tableaux, permutations, a Robinson–Schensted like bijection, and the asymmetric exclusion process in physics
Heesung Shin: Forests and parking functions
Jiang Zeng: Combinatorics of q-Charlier and q-Laguerre polynomials
Posters
Fabrizio Caselli: Quasi-reflection groups
Federico Incitti : Kazhdan-Lusztig polynomials, rooted partitions and quasi-minuscule
quotients
Mercedes Rosas: Nilpotent matrices and a counterexample to a conjecture of Weyman
Christian Stump: Non-crossing partitions, non-nesting partitions and Coxeter sortable
elements in types A and B
List of Participants
Ron M. Adin (Ramat-Gan)
Carlos André (Lisboa)
Nantel Bergeron (Toronto)
Emmanuel Briand (Sevilla)
Srecko Brlek (Montréal)
Alessandro Conflitti (Coimbra)
Hélène Décoste (Montréal)
Rui Duarte (Aveiro)
Dominique Foata (Strasbourg)
Henri Gaudier (Strasbourg)
Guo-Niu Han (Strasbourg)
Masao Ishikawa (Tottori)
Amel Kaouche (Montréal)
Roman König (Erlangen)
Christian Krattenthaler (Wien)
António Leal Duarte (Coimbra)
Ricardo Mamede (Coimbra)
Maria Leonor Moreira (Porto)
Pierre-André Picon (Marne-la-Vallée)
Yuval Roichman (Ramat-Gan)
Ana Paula Santana (Coimbra)
Heesung Shin (Lyon)
Volker Strehl (Erlangen)
Itaru Terada (Tokyo)
Xavier Viennot(Bordeaux)
Jiang Zeng (Lyon)
Jorge Almeida (Porto)
Olga Azenhas (Coimbra)
Anders Björner (Stockholm)
Flavio Bonetti (Bologna)
Fabrizio Caselli (Bologna)
Glória Cravo (Funchal, Madeira Island)
Jacques Désarménien (Marne-la-Vallée)
Mark Dukes (Reykjavik)
Carlos Fonseca (Coimbra)
António Guedes de Oliveira (Porto)
Federico Incitti (Roma)
Matthieu Josuat-Vergès (Paris)
Ron King (Southampton)
Christoph Koutschan (Linz)
Gilbert Labelle (Montréal)
Ana Filipa Loureiro (Coimbra)
István Mező (Debrecen)
Ilda Perez da Silva (Lisboa)
João Filipe Queiró (Coimbra)
Mercedes Rosas (Sevilla)
Michael Schlosser (Wien)
Matteo Silimbani (Bologna)
Christian Stump (Wien)
Maria Manuel Torres(Lisboa)
Ivan Yudin (Coimbra)