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math.QA2002
From Double Lie Groups to Quantum Groups
Piotr Stachura
It is shown that there is a -algebraic quantum group related to any double Lie group. An algebra underlying this quantum group is an algebra of a differential groupoid natural…
math.QA1999
Differential groupoids and -algebras
Piotr Stachura
The construction of a C*-algebra of a differential groupoid is presented. It is shown that it defines a covariant functor from the category of differential groupoids in a sense of…