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math.RT2020
Strong Gelfand subgroups of
Mahir Bilen Can, Yiyang She, Liron Speyer
The multiplicity-free subgroups (strong Gelfand subgroups) of wreath products are investigated. Various useful reduction arguments are presented. In particular, we show that for ev…
math.RT2018
Decomposable Specht modules indexed by bihooks
Liron Speyer, Louise Sutton
We study the decomposability of Specht modules labelled by bihooks, bipartitions with a hook in each component, for the Iwahori--Hecke algebra of type . In all characteristics,…