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q-alg1995
On The Structure of Quantum Super Groups GL
Phung Ho Hai
We show that a quantum super matrix in standard format is invertible if and only if its block matrices of even entries are invertible. We prove the q-analog of the well-known formu…
q-alg1995
Koszul Property and Poincare' Series of Matrix-Bialgebras of Type
Phung Ho Hai
Bialgebras associated to Yang-Baxter operators satisfying the Hecke equation, are considered. It is shown that they are Koszul algebras. Their Poincare' series are calculated via t…