Pseudo-Frobenius numbers versus defining ideals in numerical semigroup rings

被引:6
|
作者
Goto, Shiro [1 ]
Do Van Kien [2 ]
Matsuoka, Naoyuki [1 ]
Hoang Le Truong [3 ,4 ]
机构
[1] Meiji Univ, Sch Sci & Technol, Dept Math, Tama Ku, 1-1-1 Higashi Mita, Kawasaki, Kanagawa 2148571, Japan
[2] Hanoi Pedag Univ 2, Dept Math, Vinh Phuc, Vietnam
[3] Vietnam Acad Sci & Technol, Inst Math, 18 Hoang Quoc Viet Rd, Hanoi 10307, Vietnam
[4] Univ Saarland, Math & Informat, Campus E2 4, D-66123 Saarbrucken, Germany
关键词
Cohen-Macaulay ring; Gorenstein ring; Almost Gorenstein ring; GORENSTEIN RINGS; ELEMENTS;
D O I
10.1016/j.jalgebra.2018.04.025
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The structure of the defining ideal of the semigroup ring k[H] of a numerical semigroup H over a field k is described, when the pseudo-Frobenius numbers of H are multiples of a fixed integer. (C) 2018 Elsevier Inc. All rights reserved.
引用
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页码:1 / 15
页数:15
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