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Henrik Stetkær

On Wilson's functional equations

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We find on a group G the solutions f, g : G -> C of the functional equation f(xy) + f(y(-1)x) = 2f(x) g(y), x, y is an element of G, in terms of characters, additive maps and matrix-elements of irreducible, 2-dimensional representations of G.

Original languageEnglish
JournalAequationes Mathematicae
Volume89
Issue2
Pages (from-to)339-354
Number of pages16
ISSN0001-9054
DOIs
Publication statusPublished - 2015

    Research areas

  • Functional equation, group, Wilson

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