G-biliaison of ladder Pfaffian varieties

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The ideals generated by pfaffians of mixed size contained in a subladder of a skew-symmetric matrix of indeterminates define arithmetically Cohen-Macaulay, projectively normal, reduced and irreducible projective varieties. We show that these varieties belong to the G-biliaison class of a complete intersection. In particular, they are glicci.
15 pages

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Algebraic Geometry, Commutative Algebra, 14M06, 13C40, 14M12

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http://salesiana.dossiersoluciones.com/handle/123456789/169533

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.3417
 http://arxiv.org/abs/0809.3417

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arXiv