2 papers
math.RA2018
Algebraic properties of zigzag algebras
Michael Ehrig, Daniel Tubbenhauer
We give necessary and sufficient conditions for zigzag algebras and certain generalizations of them to be (relative) cellular, quasi-hereditary or Koszul.
math.RT2015
Koszul gradings on Brauer algebras
Michael Ehrig, Catharina Stroppel
We show that the Brauer algebra over the complex numbers for an integral parameter delta can be equipped with a grading, in the case of delta being non-zero turning it into a grade…