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math.RT2013★ 1 cited
Cyclotomic Carter-Payne homomorphisms
Sinead Lyle, Andrew Mathas
We construct a new family of homomorphisms between (graded) Specht modules of the quiver Hecke algebras of type A. These maps have many similarities with the homomorphisms construc…
math.RT2013
Graded decomposition numbers of Ariki-Koike algebras for blocks of small weight
Sinead Lyle, Oliver Ruff
We present some blocks of Ariki-Koike algebras for which the decomposition matrices are independent of the characteristic of the underlying field. We complete t…