GDR 2105 - Tresses et topologie de basse dimension

avec le soutien du LMAM (UBS, Vannes)


Problèmes algorithmiques liés aux tresses et à la topologie de basse dimension  

15 au 17 novembre 2006



Mercredi 15 novembre

8h45-9h: Accueil
9h-10h15: Ivan Dynnikov (Moscou), Decision problems in low-dimensional topology I
10h15-10h45: Café
10h45-12h: Juan Gonzales-Meneses (Séville), Conjugacy problems in braid groups and other Garside groups I
12h15: Repas

14h45-16h: Patrick Dehornoy (Caen), Decision algorithmic problems connected with handle reduction of braids I

16h15-17h15: Bert Wiest (Rennes), On the complexity of braids
17h15-17h45: Café
17h45-18h45: Serge Burckel (La Réunion), Reduce problems from braid groups to braid monoids
19h15: Repas
-------------------------------------------------------------------------------------------------------------

Jeudi 16 novembre
9h-10h15: Ivan Dynnikov, Decision problems in low-dimensional topology II
10h15-10h45: Café
10h45-12h: Juan Gonzales-Meneses, Conjugacy problems in braid groups and other Garside groups II
12h15: Repas

14h45-16h: Patrick Dehornoy, Decision algorithmic problems connected with handle reduction of braids II

16h15-17h15: Jean Michel (Paris 7)/ François Digne (Amiens), Garside categories
17h15-17h45: Café
17h45-18h45:Vladimir Vershinin (Montpellier), On the Inverse Braid Monoid
19h15: Repas
-------------------------------------------------------------------------------------------------------

Vendredi 17 novembre
9h-9h45: Ivan Dynnikov, Decision problems in low-dimensional topology III

10h-10h45: Juan Gonzales-Meneses, Conjugacy problems in braid groups and other Garside groups III
10h45-11h: Café
11h-11h45: Patrick Dehornoy, Decision algorithmic problems connected with handle reduction of braids III
12h15: Repas