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math.RA2010
Globalization of twisted partial actions
M. Dokuchaev, R. Exel, J. J. Simón
Let A be a unital ring which is a product of possibly infinitely many indecomposable rings. We establish criteria for the existence of a globalization for a given twisted partial a…
math.RA2008
Crossed products by twisted partial actions and graded algebras
M. Dokuchaev, R. Exel, J. J. Simon
For a twisted partial action Θof a group G on an (associative non-necessarily unital) algebra A over a commutative unital ring k, the crossed product A X_ΘG is proved to be associa…