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Zero product preserving maps on Banach algebras of Lipschitz functions
Authors:J. Alaminos  A.R. Villena
Affiliation:Departamento de Análisis Matemático, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain
Abstract:Let (K,d) be a non-empty, compact metric space and α∈]0,1[. Let A be either lipα(K) or Lipα(K) and let B be a commutative unital Banach algebra. We show that every continuous linear map T:AB with the property that T(f)T(g)=0 whenever f,gA are such that fg=0 is of the form T=wΦ for some invertible element w in B and some continuous epimorphism Φ:AB.
Keywords:Algebra of Lipschitz functions   Disjointness preserving map   Map preserving zero product   Fourier algebra   Weighted Fourier algebra
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