Fat points of P-n whose support is contained in a linear proper subspace

Authors
Franceschini, S Lorenzini, A
Citation
S. Franceschini et A. Lorenzini, Fat points of P-n whose support is contained in a linear proper subspace, J PURE APPL, 160(2-3), 2001, pp. 169-182
Citations number
11
Categorie Soggetti
Mathematics
Journal title
JOURNAL OF PURE AND APPLIED ALGEBRA
ISSN journal
00224049 → ACNP
Volume
160
Issue
2-3
Year of publication
2001
Pages
169 - 182
Database
ISI
SICI code
0022-4049(20010625)160:2-3<169:FPOPWS>2.0.ZU;2-G
Abstract
In this paper we study fat points of P-n whose support is contained in a li near subspace of dimension r, with r < n, and we determine in some cases th e Hilbert function, in other cases the regularity index (or an upper bound for it) in P-n, in terms of what is known in P-r. (C) 2001 Elsevier Science B.V. All rights reserved.