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math.RT2004★ 1 cited
Representation theory of the Drinfel'd doubles of a family of Hopf algebras
K. Erdmann, E. L. Green, N. Snashall +1
We investigate the Drinfel'd doubles of a certain family of Hopf algebras. We determine their simple modules and their indecomposable projective modules, and we obtain…
math.KT2004
The Hochschild cohomology ring modulo nilpotence of a monomial algebra
E. L. Green, N. Snashall, Ø. Solberg
For a finite dimensional monomial algebra over a field we show that the Hochschild cohomology ring of modulo the ideal generated by homogeneous nilpotent elements is a…