Chen-Ruan Cohomology of cotangent orbifolds and Chas-Sullivan String Topology
Ana González, Ernesto Lupercio, Carlos Segovia, Bernardo Uribe, Miguel A. Xicoténcatl
Abstract
In this paper we prove that for an almost complex orbifold, its virtual orbifold cohomology [math.AT/0606573] is isomorphic as algebras to the Chen-Ruan orbifold cohomology of its cotangent orbifold.
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