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math.RT2017
Quiver-graded Richardson Orbits
Ögmundur Eiriksson, Julia Sauter
In Lie theory, a dense orbit in the unipotent radical of a parabolic group under the adjoint action is called a Richardson orbit. We define a quiver-graded version of Richardson or…
math.RT2017★ 21 cited
Special tilting modules for algebras with positive dominant dimension
Matthew Pressland, Julia Sauter
We study certain special tilting and cotilting modules for an algebra with positive dominant dimension, each of which is generated or cogenerated (and usually both) by projective-i…