Boundedness for surfaces in weighted P^4

Details Boundedness for surfaces in weighted P^4 Boundedness for surfaces in weighted P^4

2009-10-28

arxiv.org/abs/0910.5455v1

Mathematics

Algebraic Geometry

Scientific paper

Ellingsrud and Peskine (1989) proved that there exists a bound on the degree of smooth non general type surfaces in P^4. The latest proven bound is 52 by Decker and Schreyer in 2000. In this paper we consider bounds on the degree of a quasismooth non-general type surface in weighted projective 4-space. We show that such a bound in terms of the weights exists, and compute an explicit bound in simple cases.

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