نتایج جستجو برای: crossed square
تعداد نتایج: 142584 فیلتر نتایج به سال:
1996
Tomasz Brzeziński
We introduce the notion of a crossed product of an algebra by a coalgebra C, which generalises the notion of a crossed product by a bialgebra well-studied in the theory of Hopf algebras. The result of such a crossed product is an algebra which is also a right C-comodule. We find the necessary and sufficient conditions for two coalgebra crossed products be equivalent. We show that the two-dimens...
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