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Lattices in Tate modules. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Poonen B, Rybakov S.
europepmc   +1 more source

New Results about Quadratic Functional Equation on Semigroups

open access: yesAnnales Mathematicae Silesianae
Let S be a semigroup, let (H, +) be a uniquely 2-divisible, abelian group and let φ, ψ be two endomorphisms of S that need not be involutive. In this paper, we express the solutions f : S → H of the following quadratic functional equation f(xφ(y))+f(ψ(y)
Akkaoui Ahmed, Fadli Brahim
doaj   +1 more source

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