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math.OA2002
Invariant ideals of twisted crossed products
Chi-Wai Leung, Chi-Keung Ng
We prove a result concerning the inclusion of non-trivial invariant ideals inside non-trivial ideals of a twisted crossed product. We will also give results concerning the primenes…
math.OA2002★ 3 cited
Duality of Hopf -algebras
Chi-Keung Ng
In this paper, we study the duality theory of Hopf -algebras in a general ``Hilbert-space-free'' framework. Our particular interests are the ``full duality'' and the ``reduced…