Very twisting families of pointed lines on Grassmannians

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There exist very twisting families of lines on Grassmannians and isotropic Grassmannians. This is a key step in proving existence of a rational section of a family of isotropic Grassmannians over a surface with vanishing Brauer obstruction.
25 pages, posting of older preprint

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Algebraic Geometry, 14C05; 14M15

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http://salesiana.dossiersoluciones.com/handle/123456789/109143

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0602645
 http://arxiv.org/abs/math/0602645

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arXiv