Parabolic bundles, products of conjugacy classes, and quantum cohomology

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In this version referee's comments have been incorporated. Besides minor corrections, new material has been added on irrational markings. To appear in Ann. Inst. Fourier. We prove a condition for the existence of flat bundles on the punctured two-sphere with prescribed holonomies around the punctures, involving Gromov-Witten invariants of generalized flag varieties. This generalizes the case of special unitary bundles described by S. Agnihotri and the second author and independently P. Belkale.
24 pages

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Algebraic Geometry, Symplectic Geometry, 53D30, 14N35

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http://salesiana.dossiersoluciones.com/handle/123456789/60645

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0012241
 http://arxiv.org/abs/math/0012241

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arXiv