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Seminar
FIELD Mathematics
DATE November 27 (Mon), 2017
TIME 17:00-18:30
PLACE 1424
SPEAKER 조윤형
HOST Park, Jinhyung
INSTITUTE 성균관대학교
TITLE [GS-AG] Toric degeneration of partial flag manifolds and Lagrangian Floer theory
ABSTRACT

It is known that any partial flag manifold (of type A) always admits a completely integrable system, called a Gelfand-Cetlin system. In this talk, we review the toric degeneration of a partial flag manifold constructed by Nishinou-Nohara-Ueda and explain how each Gelfand-Cetiln fiber degenerates into a toric fiber. We also discuss the non-displceability of Gelfand-Cetlin fibers via Lagrangian Floer theory. This is joint work with Yoosik Kim and Yong-Geun Oh.

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