On Finite Local Rings with Clique Number Four  

作　　者：Qiong Liu Tongsuo Wu Jin Guo 

机构地区：[1]Department of Mathematics,Shanghai University of Electric Power Shanghai 200090,China [2]School of Mathematical Sciences,Shanghai Jiao Tong University Shanghai 200240,China [3]School of Science,Hainan University,Haikou 570228,China

出　　处：《Algebra Colloquium》2022年第1期23-38,共16页代数集刊（英文版）

基　　金：This research was supported by the National Natural Science Foundation of China(No.11801356,No.11401368,No.11971338);by the Natural Science Foundation of Shanghai(No.19ZR1424100).

摘　　要：We study the algebraic structure of rings R whose zero-divisor graph T(R)has clique number four.Furthermore,we give complete characterizations of all the finite commutative local rings with clique number 4.

关 键 词：finite commutative local rings refinements of star graph clique number 

分 类 号：O152[理学—数学]