31 citations · 70 across the 21 of their papers we have counts for
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math.RT2015
An axiomatic approach for degenerations in triangulated categories
Manuel Saorin, Alexander Zimmermann
We generalise Yoshino's definition of a degeneration of two Cohen Macaulay modules to a definition of degeneration between two objects in a triangulated category. We derive some na…
math.RT2015★ 1 cited
Remarks on a Categorical Definition of Degeneration in Triangulated Categories
Alexander Zimmermann
This work reports on joint research with Manuel Saorin. For an algebra A over an algebraically closed field k the set of A-module structures on k d forms an affine algebraic variet…
math.GR2015
On a question of Rickard on tensor product of stably equivalent algebras
Serge Bouc, Alexander Zimmermann
Let $\overline\F\_p$ be the algebraic closure of the prime field of characteristic . After observing that the principal block of $\overline\F\_pPSU(3,p^r)$ is stably equival…