Universally Koszul algebras defined by graphs

被引:0
|
作者
Zaare-Nahandi, Rashid [1 ]
机构
[1] IASBS, Dept Math, Zanjan 4513766731, Iran
关键词
Universally Koszul algebra; linear minimal free resolution; (2K(2); P-4)-free graph;
D O I
10.1080/09720529.2012.10698387
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this note, it is proved that a graphs is (2K(2), P-4)-free if and only if its edge ring is universally Koszul. Using properties of this family of graphs, we show that Universally Koszul algebras defined by graphs have linear minimal free resolution.
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页码:349 / 352
页数:4
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