Positivity in the cohomology of flag bundles (after Graham)

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We give a short, geometric proof of Graham's theorem on positivity in the equivariant cohomology of a flag variety, based on a transversality argument.
4 pages; comments welcome

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Algebraic Geometry, 14M15 (Primary), 55N91 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/141629

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0711.0983
 http://arxiv.org/abs/0711.0983

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arXiv