Maximal rank and minimal generation of some parametric varieties |
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Authors: | Luca Chiantini Isabella Ramella |
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Institution: | a Dipartimento di Matematica, Via del capitano 15, 53100 Siena, Italy b Dipartimento di Matematica e Applicazioni “R. Caccioppoli”, Complesso Universitario di Monte S. Angelo, Via Cintia, 80126 Napoli, Italy |
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Abstract: | In this paper, continuing work of the second author (J. Pure Appl. Algebra 155 (2001) 77) for rational curves, we address the problem of computing the generators of the ideal of an irreducible parametric variety V to the computation of the generators of the ideal of a suitable finite set of points on V. In particular, we consider the case of general parametric surfaces and threefolds and of general parametric surfaces represented by polynomials with base points. |
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Keywords: | 14Q15 |
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