机构:
Kwansei Gakuin Univ, Grad Sch Sci & Technol, Dept Math Sci, Sanda, Hyogo 6691337, JapanKwansei Gakuin Univ, Grad Sch Sci & Technol, Dept Math Sci, Sanda, Hyogo 6691337, Japan
Mori, Kenta
[1
]
Ohsugi, Hidefumi
论文数: 0引用数: 0
h-index: 0
机构:
Kwansei Gakuin Univ, Sch Sci, Dept Math Sci, Sanda, Hyogo 6691337, JapanKwansei Gakuin Univ, Grad Sch Sci & Technol, Dept Math Sci, Sanda, Hyogo 6691337, Japan
Ohsugi, Hidefumi
[2
]
Tsuchiya, Akiyoshi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Grad Sch Math Sci, Meguro Ku, Tokyo 1538914, JapanKwansei Gakuin Univ, Grad Sch Sci & Technol, Dept Math Sci, Sanda, Hyogo 6691337, Japan
Tsuchiya, Akiyoshi
[3
]
机构:
[1] Kwansei Gakuin Univ, Grad Sch Sci & Technol, Dept Math Sci, Sanda, Hyogo 6691337, Japan
[2] Kwansei Gakuin Univ, Sch Sci, Dept Math Sci, Sanda, Hyogo 6691337, Japan
[3] Univ Tokyo, Grad Sch Math Sci, Meguro Ku, Tokyo 1538914, Japan
Finite graph;
Edge ring;
Linear resolution;
delta-polynomial;
TORIC IDEALS;
D O I:
10.1016/j.jalgebra.2021.11.018
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
In the present paper, we give a complete classification of connected simple graphs whose edge rings have a q-linear resolution with q >= 2. In particular, we show that the edge ring of a finite connected simple graph with a q-linear resolution, where q >= 3, is a hypersurface, which was conjectured by Hibi, Matsuda, and Tsuchiya. (c) 2021 The Author(s). Published by Elsevier Inc.
机构:
Univ Bologna, Alma Mater Studiorum, Dipartimento Matemat, Piazza Porta San Donato 5, I-40126 Bologna, ItalyUniv Bologna, Alma Mater Studiorum, Dipartimento Matemat, Piazza Porta San Donato 5, I-40126 Bologna, Italy