3 papers
math.CO2026
Permutation of edges in mutation reduction of pointed Brauer trees
Reut Frenkel-Mayzlish, Mary Schaps, Zehavit Zvi
Aihara developed an algorithm for Brauer tree algebras, which we call a mutation reduction, for getting from a Brauer tree algebra to the simpler Brauer star algebra using a sequen…
math.RT2026
Efficiency of mutation reduction for Brauer trees
Zehavit Zvi
Brauer tree algebras are important and fundamental blocks in the modular representation theory of groups. Aihara develped an algorithm, which we call a mutation reduction, for gett…
math.RT2024
Elementary equivalences for blocks with normal elementary abelian defect group of rank 2
Mary Schaps, Zehavit Zvi
We consider the effect of performing an elementary equivalence as defined by Okuyama on a group block of form , for a field of characteristic .…