More about Wilson’s functional equation
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DOI: 10.1007/s00010-019-00654-9
Abstract: Let G be a group with an involution $$x \mapsto x^*$$ x ↦ x ∗ , let $$\mu :G \rightarrow \mathbb {C}$$ μ : G → C be a multiplicative function such that $$\mu (xx^*)… read more here.
Keywords: functional equation; wilson functional;