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Projective curves of degree=codimension+2 II

Authors
Lee, WanseokPark, Euisung
Issue Date
2월-2016
Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
Keywords
minimal free resolution; Curve of almost minimal degree
Citation
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION, v.26, no.1, pp.95 - 104
Indexed
SCIE
SCOPUS
Journal Title
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
Volume
26
Number
1
Start Page
95
End Page
104
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/89678
DOI
10.1142/S0218196716500041
ISSN
0218-1967
Abstract
Let C subset of P-r be a nondegenerate projective integral curve of degree r + 1 which is not linearly normal. In this paper, we continues the study begun in [E. Park, Projective curves of degree=codimension+2, Math. Z. 256 (2007) 685-697] for the minimal free resolution of C. It is well-known that C is an isomorphic projection of a rational normal curve (C) over tilde subset of Pr+1 from a point P is an element of Pr+1. Our main result is about how the graded Betti numbers of C are determined by the rank of P with respect to (C) over tilde, which is a measure of the relative location of P from (C) over tilde.
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