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hep-th2004
Physics, Combinatorics and Hopf Algebras
Chryssomalis Chryssomalakos
A number of problems in theoretical physics share a common nucleus of combinatoric nature. It is argued here that Hopf algebraic concepts and techiques can be particularly efficien…
hep-th1993
The Role of the Canonical Element in the Quantized Algebra of Differential Operators $\A\rtimes\U$
Chryssomalis Chryssomalakos, Peter Schupp, Paul Watts
We review the construction of the cross product algebra $\A\rtimes\U$ from two dually paired Hopf algebras $\U$ and $\A$. The canonical element in $\U \otimes \A$ is then introduce…