Geodesic
More examples of invariance under twisting
Czechoslovak Mathematical Journal, Tome 62 (2012) no. 1, pp. 187-195
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The so-called “invariance under twisting” for twisted tensor products of algebras is a result stating that, if we start with a twisted tensor product, under certain circumstances we can “deform” the twisting map and we obtain a new twisted tensor product, isomorphic to the given one. It was proved before that a number of independent and previously unrelated results from Hopf algebra theory are particular cases of this theorem. In this article we show that some more results from literature are particular cases of invariance under twisting, for instance a result of Beattie-Chen-Zhang that implies the Blattner-Montgomery duality theorem.
The so-called “invariance under twisting” for twisted tensor products of algebras is a result stating that, if we start with a twisted tensor product, under certain circumstances we can “deform” the twisting map and we obtain a new twisted tensor product, isomorphic to the given one. It was proved before that a number of independent and previously unrelated results from Hopf algebra theory are particular cases of this theorem. In this article we show that some more results from literature are particular cases of invariance under twisting, for instance a result of Beattie-Chen-Zhang that implies the Blattner-Montgomery duality theorem.
DOI : 10.1007/s10587-012-0005-x
Classification : 16S40, 16T05, 16W99
Keywords: twisted tensor product; invariance under twisting; duality theorem 
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Panaite, Florin. More examples of invariance under twisting. Czechoslovak Mathematical Journal, Tome 62 (2012) no. 1, pp. 187-195. doi: 10.1007/s10587-012-0005-x

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