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A New Cohomology Theory of Orbifold

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Abstract

Based on the orbifold string theory model in physics, we construct a new cohomology ring for any almost complex orbifold. The key theorem is the associativity of this new ring. Some examples are computed.

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Authors and Affiliations

  1. Department of Mathematics, University of Wisconsin-Madison, Madison, WI 53706, USA

    Weimin Chen & Yongbin Ruan

  2. Mathematics Department, Tulane University, New Orleans, LA 70118, USA

    Weimin Chen

Authors
  1. Weimin Chen
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  2. Yongbin Ruan
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Additional information

Communicated by Y. Kawahigashi

Both authors partially supported by the National Science Foundation

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Chen, W., Ruan, Y. A New Cohomology Theory of Orbifold. Commun. Math. Phys. 248, 1–31 (2004). https://doi.org/10.1007/s00220-004-1089-4

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  • DOI: https://doi.org/10.1007/s00220-004-1089-4

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