Chen-Ruan orbifold cohomology of the Bianchi orbifolds

Alexander Rahm 1, *
* Corresponding author
Abstract : We give formulae for the Chen-Ruan orbifold cohomology for the orbifolds given by a Bianchi group acting on a model for its classifying space for proper actions: complex hyperbolic space. The Bianchi groups are the arithmetic groups PSL_2 over the ring of integers in an imaginary quadratic number field. The underlying real orbifolds which help us in our study, have applications in Physics.
Document type :
Preprints, Working Papers, ...
2012


https://hal.archives-ouvertes.fr/hal-00627034
Contributor : Alexander Rahm <>
Submitted on : Tuesday, September 11, 2012 - 7:57:16 PM
Last modification on : Friday, March 6, 2015 - 12:23:03 AM

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  • HAL Id : hal-00627034, version 2
  • ARXIV : 1109.5923

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Alexander Rahm. Chen-Ruan orbifold cohomology of the Bianchi orbifolds. 2012. <hal-00627034v2>

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