Mathematics – Operator Algebras
Scientific paper
2008-01-12
Mathematics
Operator Algebras
Scientific paper
We construct a one parameter deformation of the group of $2\times 2$ upper
triangular matrices with determinant 1 using the twisting construction. An
interesting feature of this new example of a locally compact quantum group is
that the Haar measure is deformed in a non-trivial way. Also, we give a
complete description of the dual $\cs$-algebra and the dual comultiplication.
Fima Pierre
Vainerman Leonid
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