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math.QA2011
Morita base change in Hopf-cyclic (co)homology
Laiachi El Kaoutit, Niels Kowalzig
In this paper, we establish the invariance of cyclic (co)homology of left Hopf algebroids under the change of Morita equivalent base algebras. The classical result on Morita invari…
math.RA2011
Invertible unital bimodules over rings with local units, and related exact sequences of groups II
L. EL Kaoutit, J. Gómez-Torrecillas
Let be a ring with a set of local units, and a homomorphism of groups $\underlineΘ : \G \to \Picar{R}$ to the Picard group of . We study under which conditions …