2 papers
math.GR2026
Computations of Bruhat intervals via shadows
Megan Masters
We develop an explicit geometric and algebraic description of shadows in the affine Coxeter complex of type , by introducing a coordinate system based on a decompositi…
math.GR2026
Annexes in affine Coxeter complexes
Megan Masters
We introduce the annex of an element in a Coxeter group as the set of elements such that with respect to Bruhat order. This notion provides a complementary pers…