ARITHMETICAL RANK OF THE CYCLIC AND BICYCLIC GRAPHS

被引:12
|
作者
Barile, Margherita [1 ]
Kiani, Dariush [2 ]
Mohammadi, Fatemeh [2 ]
Yassemi, Siamak [3 ]
机构
[1] Univ Bari Aldo Moro, Dipartimento Matemat, I-70125 Bari, Italy
[2] Amirkabir Univ Technol, Dept Math, Tehran, Iran
[3] Univ Tehran, Dept Math, Tehran, Iran
关键词
Arithmetical rank; projective dimension; edge ideals; set-theoretic complete intersection ideals; IDEALS;
D O I
10.1142/S0219498811005634
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We show that for the edge ideals of the graphs consisting of one cycle or two cycles of any length connected through a vertex, the arithmetical rank equals the projective dimension of the corresponding quotient ring.
引用
收藏
页数:14
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