Donaldson-Thomas invariants of Calabi-Yau orbifolds under flops
Algebraic Geometry
2015-12-03 v1
Abstract
We study the Donaldson-Thomas type invariants for the Calabi-Yau threefold Deligne-Mumford stacks under flops. A crepant birational morphism between two smooth Calabi-Yau threefold Deligne-Mumford stacks is called an orbifold flop if the flopping locus is the quotient of weighted projective lines by a cyclic group action. We prove that the Donaldson-Thomas invariants are preserved under orbifold flops.
Keywords
Cite
@article{arxiv.1512.00508,
title = {Donaldson-Thomas invariants of Calabi-Yau orbifolds under flops},
author = {Yunfeng Jiang},
journal= {arXiv preprint arXiv:1512.00508},
year = {2015}
}
Comments
35 pages, comments are very welcome