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math.RT2026
The Image of Functor Morphing
Ehud Meir
Functor morphing provides a method to translate complex representations of automorphism groups of finite modules over finite rings to representations of automorphism groups of func…
math.RT2025
Invariants that are covering spaces and their Hopf algebras
Ehud Meir
In a previous paper by the author a universal ring of invariants for algebraic structures of a given type was constructed. This ring is a polynomial algebra that is generated by ce…
math.RT2024
Functor morphing and representations of automorphism groups of modules
Tyrone Crisp, Ehud Meir, Uri Onn
We introduce a strategy to study irreducible representations of automorphism groups of finite modules over local rings. We prove that these automorphism groups fit in a hierarchy t…