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4 papers · 1 filter
Rhombus Filtrations and Rauzy Algebras
Alex Clark, Karin Erdmann, Sibylle Schroll
Peach introduced rhombal algebras associated to quivers given by tilings of the plane by rhombi. We develop general techniques to analyse rhombal algebras, including a filtration b…
Self-injective algebras and the second Hochschild cohomology group
Deena Al-Kadi
In this paper we study the second Hochschild cohomology group of a finite dimensional algebra . In particular, we determine where is a finite dimensi…
Representation theory of towers of recollement: theory, notes, and examples
Anton Cox, Paul Martin, Alison Parker +1
We give an axiomatic framework for studying the representation theory of towers of algebras. We introduce a new class of algebras, contour algebras, generalising (and interpolating…
A generic algebra associated to certain Hecke algebras
Stephen Doty, Karin Erdmann, Anne Henke
We initiate the systematic study of endomorphism algebras of permutation modules and show they are obtainable by a descent from a certain "generic" Hecke algebra, infinite-dimensio…