On the moduli scheme of stable sheaves supported on cubic space curves

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We investigate the geometry of the Simpson moduli space M of stable sheaves on P_3 with Hilbert polynomial H(m)=3m+1 and describe explicitly the two smooth, rational components, their 11-dimensional smooth, transversal intersection and the relation between M and the Hilbert scheme Hilb_H(P_3) of cubic space curves. We also compute the Betti numbers of the Chow groups of the moduli space M.
28 pages, LaTeX; minor changes, to appear in Amer. J. Math

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Algebraic Geometry, 14F05, 18F20 (Primary) 14D20, 14D22 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/63796

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0204156
 http://arxiv.org/abs/math/0204156
 Amer. J. Math. 126, 2 (2004), 363-393

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arXiv