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A sharp bound for the regularity index of fat points in general position

Authors: M. V. Catalisano, N. V. Trung and G. Valla
Journal: Proc. Amer. Math. Soc. 118 (1993), 717-724
MSC: Primary 13H15; Secondary 14C25
MathSciNet review: 1146859
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Abstract: A bound is given for the regularity index of the coordinate ring of a set of fat points in general position in $ {\mathbf{P}}_k^n$. The bound is attained by points on a rational normal curve.

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Keywords: Regularity index, points in general position, rational normal curve
Article copyright: © Copyright 1993 American Mathematical Society

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