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Generators of Ideals Defining Certain Surfaces in Projective Space

Published online by Cambridge University Press:  20 November 2018

Sandeep H. Holay*
Affiliation:
Department of Mathematics Southeast Community College Lincoln, NE 68520 U.S.A. email: e-mail: sholay@unlinfo.unl.edu
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Abstract

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We consider the surface obtained from the projective plane by blowing up the points of intersection of two plane curves meeting transversely. We find minimal generating sets of the defining ideals of these surfaces embedded in projective space by the sections of a very ample divisor class. All of the results are proven over an algebraically closed field of arbitrary characteristic.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1996

References

[GG] Geramita, A. and Gimigliano, A., Generators for the defining ideals of certain rational surfaces, Duke Math J. 62 (1991), 6183.Google Scholar
[GGH] Geramita, A., Gimigliano, A. and Harbourne, B., Projectively normal but superabundant embedding of rational surfaces in projective space, J.Algebra 169 (1994), 791804.Google Scholar
[GGP] Geramita, A., Gimigliano, A. and Pitteloud, Y., Graded Betti numbers of some embedded rational n-folds, Math. Ann. 301 (1995), 363380.Google Scholar
[Gi] Gimigliano, A., On Veronesean surfaces, Proc. Konin. Ned. Akda. van Wetenschappen, Ser. A 92 (1989), 7185.Google Scholar
[GL] Green, M.L., and Lazarsfeld, R., Some results on the syzygies of finite sets and algebraic curves, Compositio Math. 67 (1988), 301314.Google Scholar
[Ha] Hartshorne, R.,Algebraic Geometry, Grad texts in Math, 52, Springer-Verlag, New York, 1977.Google Scholar
[Ho] Holay, S.H., Generators and resolutions of ideals defining certain surfaces in projective space, Ph.D.Thesis, University of Nebraska-Lincoln, 1994.Google Scholar
[ZS] Zariski, O. and Samuel, P.,Commutative Algebra, Vol. I, II, Van Nostrand, Princeton, 1958. 1960.Google Scholar