Symplectic Geometry Seminar: Difference between revisions

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!align="left" | host(s)
!align="left" | host(s)
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|Feb. 9th
|Date1
|Jie Zhao
|Name1
|Witten's Proof of Morse Inequality
|Title1
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|Feb. 16th
|Date2
|Jie Zhao
|Name2
|Witten's Proof of Morse Inequality (continued)
|Title2
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|Mar. 2nd
|Rui Wang
|A simpler proof of the generical existence of nondegenerate contact forms (rescheduled)
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|Mar 9th
|Dongning Wang
|On orbifold fibered over a manifold
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|Mar 16th
|Erkao Bao
|Fredholm index in SFT.
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|Apr 13th
|Jaeho
|Enumerative tropical geometry in R^2.
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|Apr 20th
|Jaeho
|Enumerative tropical geometry in R^2(continued).
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|May 11th
|Lino
|Quantum A-infinity Algebras.
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== Abstracts ==
== Abstracts ==


'''Dongning Wang''' ''On orbifold fibered over manifold''
'''Name''' ''Title''


As an analogue of fiber bundle over manifold, there is a definition of orbibundle over orbifold where the structure group of the total space is required to be the same as the base orbifold. This requirement can be removed and we will get a more general definition of orbibundle. In this talk, I will focus on a special case of the generalization: the base is a manifold. I call this case "orbifold fibered over manifold". A particular case of orbifold fibered over manifold where the base is a sphere will be use to definite orbifold Seidel representation. Seidel representation is a group morphism from <math>\pi_1(Ham(M,\omega))</math> to the multiplication group of the quantum cohomology ring <math>QH^*(M,\omega)</math>. It can be used to compute quantum cohomology ring of Fano toric manifolds. Orbifold Seidel representation generalize the theory to orbifold case, and can be used to compute the orbifold quantum cohomology ring of a large class of Fano toric orbifolds. This is a joint work with Hsian-Hua Tseng.
Abstract

Revision as of 04:49, 13 September 2011

Wednesday 3:30pm-4:30pm VV B305

  • If you would like to talk in the seminar but have difficulty with adding information here, please contact Dongning Wang


*Spring 2011 Symplectic Geometry Seminar

date speaker title host(s)
Date1 Name1 Title1
Date2 Name2 Title2

Abstracts

Name Title

Abstract

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