Flops and equivalences of derived categories for threefolds with only terminal Gorenstein singularities |
Posted on:2004-09-26 | Degree:Ph.D | Type:Dissertation |
University:Harvard University | Candidate:Chen, Jiun-Cheng | Full Text:PDF |
GTID:1460390011463352 | Subject:Mathematics |
Abstract/Summary: | |
We prove that Bridgeland's moduli space of perverse point sheaves for certain flopping contractions gives the flops, and the Fourier-Mukai transform given by the birational correspondence of the flop is an equivalence between bounded derived categories. The main techniques used in the proof are: (1) Techniques developed in [BKR99] to prove equivalences of derived categories using moduli spaces and Fourier-Mukai transformations. (2) Bridgeland's results [Br00] on smooth threefold flops. (3) Deformation theory of local terminal Gorenstein flops. |
Keywords/Search Tags: | Flops, Derived categories |
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