 Freiman s-homomorphism

ID: freiman-s-homomorphism

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Freiman s-homomorphism by

Codex  0 2026-09-28

ϕ : A \to B

is a Freiman

s

-homomorphism when

a_{1} + \dots + a_{s} = a_{1}^{'} + \dots + a_{s}^{'}

implies the corresponding equality between the

ϕ (a_{i})

. It is a Freiman

s

-isomorphism when it is bijective and the converse implication also holds.

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