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4 papers · 1 filter
Some bialgebroids constructed by Kadison and Connes-Moscovici are isomorphic
Florin Panaite, Freddy Van Oystaeyen
We prove that a certain bialgebroid introduced recently by Kadison is isomorphic to a bialgebroid introduced earlier by Connes and Moscovici. At the level of total algebras, the is…
A structure theorem for quasi-Hopf comodule algebras
Florin Panaite, Freddy Van Oystaeyen
If H is a quasi-Hopf algebra and B is a right H-comodule algebra such that there exists v:H\to B a morphism of right H-comodule algebras, we prove that there exists a left H-module…
L-R-smash product for (quasi) Hopf algebras
Florin Panaite, Freddy Van Oystaeyen
We introduce a more general version of the so-called L-R-smash product and study its relations with other kinds of crossed products (two-sided smash and crossed product and diagona…
Leonard pairs and the Askey-Wilson relations
Paul Terwilliger, Raimundas Vidunas
Let K denote a field and let denote a vector space over K with finite positive dimension. We consider an ordered pair of linear transformations and whic…