Gromov-Witten theory of banded gerbes over schemes
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Date
2011-01-31
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Journal ISSN
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Publisher
SISSA
Abstract
Let $X$ be a smooth complex projective algebraic variety. Let $\mathcal{G}$
be a $G$-banded gerbe with $G$ a finite abelian group. We prove an exact
formula expressing genus $g$ orbifold Gromov-Witten invariants of $\mathcal{G}$ in terms of those of $X$.
Description
v1:32 pages, preliminary version, comments welcome; v2: a typo
removed, comments still welcome