On the ideals and singularities of secant varieties of Segre varieties

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We find generators for the ideals of secant varieties of Segre varieties in several the cases including the Garcia-Stillmann-Ssturmfels conjecture for four factors and prove results about their singularities.
12 pages, exposition significantly improved

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Algebraic Geometry, Commutative Algebra, 14Q15,15A69,13B99

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http://salesiana.dossiersoluciones.com/handle/123456789/121940

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0601452
 http://arxiv.org/abs/math/0601452

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arXiv