On Donaldson-Thomas invariants of threefold stacks and gerbes

Gholampour, Amin; Tseng, Hsian-Hua

doi:10.1090/S0002-9939-2012-11346-2

On Donaldson-Thomas invariants of threefold stacks and gerbes
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by Amin Gholampour and Hsian-Hua Tseng PDF

Proc. Amer. Math. Soc. 141 (2013), 191-203 Request permission

Abstract:

We present a construction of Donaldson-Thomas invariants for three-dimensional projective Calabi-Yau Deligne-Mumford stacks. We also study the structure of these invariants for étale gerbes over such stacks.

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