Workshop on Quantum Cohomology of Stacks
Feb. 12 - 16, 2007

All lectures will take place at the Amphithéâtre Hermite (IHP, ground floor).
All coffee breaks will take place on the second floor of IHP.

Mon, Feb. 12

9.00 Arrival
10.00 Coffee break
10.30 Angelo Vistoli, Essential dimension and algebraic stacks
11.45 Tom Coates, Mirror symmetry and the crepant resolution conjecture
15.00 Rebecca Goldin,
Chen-Ruan cohomology for abelian quotients of compact Lie groups
16.00 Coffee break
16.30 Tara Holm, Symplectic techniques for computing the cohomology of orbifolds

Tue, Feb. 13

9.00 Linda Chen, Enumerative geometry and Gromov-Witten theory of stacks
10.00 Coffee break
10.30 Fabio Perroni, Chen-Ruan cohomology of ADE singularities
11.45 Hsian-Hua Tseng, Twisted orbifold Gromov-Witten invariants in genus zero
15.00 Hiroshi Iritani, Wall-crossing in the quantum cohomology of toric orbifolds
16.00 Coffee break
16.30 Takashi Kimura, Stringy Algebraic Structures and Orbifolds
19.30 Social dinner at restaurant Le pot de terre

Wed, Feb. 14

15.00 Etienne Mann, Orbifold quantum cohomology of weighted projective spaces
16.00 Coffee break
16.30 Yongbin Ruan, Quantum birational geometry

Thu, Feb. 15

9.00 Dagan Karp, Large N duality and orbifold quotients of the resolved conifold
10.00 Coffee break
10.30 Alessio Corti, Quantum orbifold cohomology of weak Fano toric DM stacks
11.45 Weimin Chen, Pseudoholomorphic curves in the context of orbifolds
15.00 Ralph Kaufmann, The global orbifold approach to stringy geometry
16.00 Coffee break
16.30 Michael Rose, Arithmetic mirror symmetry and l-adic Chen-Ruan cohomology

Fri, Feb. 16

9.00 Megumi Harada, The K-theory of symplectic quotients
10.00 Coffee break
10.30 Alessandro Chiodo, Mumford formula generalized to rth roots: crepant and r-spin applications

Last updated Feb 6, 2007.