On the binomial edge ideals of block graphs

被引:14
作者
Chaudhry, Faryal [1 ]
Dokuyucu, Ahmet [2 ,3 ]
Irfan, Rida [1 ]
机构
[1] Govt Coll Univ, Abdus Salam Sch Math Sci, New Muslim Town, 68-B, Lahore 68B, Pakistan
[2] Ovidius Univ Constanta, Fac Math & Comp Sci, Bd Mamaia 124, Constanta 900527, Romania
[3] Lumina Univ South East Europe, Dept Informat Technol, Sos Colentina 64b, Bucharest, Romania
来源
ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA | 2016年 / 24卷 / 02期
关键词
Binomial edge ideals; regularity; depth;
D O I
10.1515/auom-2016-0033
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We find a class of block graphs whose binomial edge ideals have minimal regularity. As a consequence, we characterize the trees whose binomial edge ideals have minimal regularity. Also, we show that the binomial edge ideal of a block graph has the same depth as its initial ideal.
引用
收藏
页码:149 / 158
页数:10
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