U_{q}(sl_{2}) at fourth root of unity
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In this paper, we study finite dimensional quotients of the Hopf algebra U_{q}(sl_{2}) at fourth root of unity. We give explicitly all the corresponding automorphisms, real forms and idempotents.
24 pages, talk presented by Daniel Kastler at the conference "Analysis on infinite-dimensional Lie groups and algebras", Marseille, September 1997
24 pages, talk presented by Daniel Kastler at the conference "Analysis on infinite-dimensional Lie groups and algebras", Marseille, September 1997