A generalization of the cosine addition law on semigroups

Aserrar, Youssef; Elqorachi, Elhoucien

doi:10.48550/arxiv.2210.08133

2022

DOI: 10.48550/arxiv.2210.08133

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A generalization of the cosine addition law on semigroups

Youssef Aserrar¹,

Elhoucien Elqorachi²

Abstract: Our main result is that we describe the solutions g, f : S → C of the functional equationwhere S is a semigroup, α ∈ C is a fixed constant and σ : S → S an involutive automorphism.

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A generalization of the cosine addition law on semigroups

Abstract: Our main result is that we describe the solutions g, f : S → C of the functional equationwhere S is a semigroup, α ∈ C is a fixed constant and σ : S → S an involutive automorphism.

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References 6 publications

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