AMS Special Session

Topology and Combinatorics of Arrangements
in honor of Mike Falk

Special Session at the AMS Spring Eastern Section Meeting
Stony Brook University, New York
March 19-20, 2016

Organizers:  Dan Cohen and Alex Suciu

Schedule of Talks

Saturday, March 19		Morning Session   301, Frey Hall
8:30 - 8:50	Max Wakefield	Flag incidence algebras   [slides]
9:00 - 9:20	Eva Maria Feichtner	Bergman fans - a link between arrangement theory and tropical geometry
9:30 - 9:50	Mario Salvetti	On local system cohomology of arrangements and of Artin groups   [slides]
10:00 - 10:20	Masahiko Yoshinaga	Linial arrangements and Eulerian polynomials   [slides]
10:30 - 10:50	June Huh	Matroids in permutohedrons in flag varieties (cancelled)
Saturday, March 19		Afternoon Session   301, Frey Hall
3:00 - 3:20	Michael Falk	Milnor fibers of arrangements   [slides]
3:30 - 3:50	Hiroaki Terao	Subarrangements and restrictions of Weyl arrangements
4:00 - 4:20	Emanuele Delucchi	Toric arrangements and group actions on semimatroids
4:30 - 4:50	Christin Bibby	Representation stability for the cohomology of arrangements   [slides]
5:00 - 5:20	He Wang	Towards a new resonance-Chen ranks formula: the case of welded braids   [slides]
5:30 - 5:50	Joseph Kung	The G-invariant and catenary data of a matroid   [slides]
Sunday, March 20		Morning Session   301, Frey Hall
8:30 - 8:50	Benoît Guerville-Ballé	Linking invariant of line arrangements
9:00 - 9:20	Filippo Callegaro	The integer cohomology algebra of toric arrangements   [slides]
9:30 - 9:50	Sergey Yuzvinsky	On free line arrangements   [slides]
10:00 - 10:20	Pauline Bailet	Vanishing results for the Aomoto complex of real hyperplane arrangements via minimality
10:30 - 10:50	Botong Wang	Cohomology support loci of local systems   [slides]
Sunday, March 20		Afternoon Session   301, Frey Hall
2:00 - 2:20	Clément Dupont	Co-arrangements and bi-arrangements   [slides]
2:30 - 2:50	Uli Walther	Bernstein-Sato polynomials of ideals of generic matrices   [slides]
3:00 - 3:20	Rita Jimenez Rolland	Representation stability and point counting   [slides]
3:30 - 3:50	Takuro Abe	Flags and freeness of hyperplane arrangements   [slides]
4:00 - 4:20	Graham Denham	Combinatorics and rational models
4:30 - 4:50	Weiyan Chen	Topology of braid arrangement via counting polynomials   [slides]