Andreini, Elena; Jiang, Yunfeng; Tseng, Hsian-Hua
(SISSA, 2011-01-31)
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 ...