Coquasitriangular Hopf Group Algebras and Drinfel'd Co-Doubles |
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| Authors: | Shuan-Hong Wang |
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| Affiliation: | 1. Department of Mathematics , Southeast University , Nanjing, Jiangsu, China shuanhwang2002@yahoo.com |
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| Abstract: | ![]()
A ring R is called “semicommutative” if any right annihilator over R is an ideal of R. We show that special subrings of upper triangular matrix rings over a reduced ring are maximal semicommutative. Consequently, new families of semicommutative rings are presented. |
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| Keywords: | Coquasitriangular Hopf π-algebra Crossed braided tensor category π-graded smash coproduct Drinfel'd co-double |
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