Multiplicative functionals and entire functions, II

Volume 124 / 1997

Krzysztof Jarosz Studia Mathematica 124 (1997), 193-198 DOI: 10.4064/sm-124-2-193-198


Let A be a complex Banach algebra with a unit e, let F be a nonconstant entire function, and let T be a linear functional with T(e)=1 and such that T∘F: A → ℂ is nonsurjective. Then T is multiplicative.


  • Krzysztof Jarosz

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