| Gerbes and twisted orbifold quantum cohomology |
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| 作者单位： | PAN JianZhong~1 RUAN YongBin~(2，3) YIN XiaoQin~(1，3 ) 1 Institute of Mathematics，Academy of Mathematics and Systems Science，Chinese Academy of Sciences，Beijing 100080，China; 2 Department of Mathematics，University of Wisconsin-Madison，WI 53706，USA; 3 Department of Mathematics，The Hong Kong University of Science and Technology，Hong Kong，China |
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| 摘 要： | In this paper,we construct an orbifold quantum cohomology twisted by a flat gerbe. Then we compute these invariants in the case of a smooth manifold and a discrete torsion on a global quotient orbifold.
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Gerbes and twisted orbifold quantum cohomology |
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| Authors: | JianZhong Pan YongBin Ruan and XiaoQin Yin |
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| Institution: | (1) Institute of Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, 100080, China;(2) Department of Mathematics, University of Wisconsin-Madison, WI 53706 Madison, USA;(3) Department of Mathematics, The Hong Kong University of Science and Technology, Hong Kong, China |
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| Abstract: | In this paper,we construct an orbifold quantum cohomology twisted by a flat gerbe. Then we compute these invariants in the case of a smooth manifold and a discrete torsion on a global quotient orbifold. |
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| Keywords: | gerbe orbifold quantum cohomology |
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