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Papers

On ¤-Homomorphisms between JC¤-Algebras

  • Author박원길
  • JournalJournal of Computational Analysis and Applications 10/1 (2008
  • Classification of papersSCIE


It is shown that every almost unital almost linear mapping f : A → B of JC*-algebra A to a JC*-algebra B is a homomorphism when f(2 nu o y) = f(2nu) o f(y) holds for all unitaries u ∈ A, all y ∈ A, and all n = 0,1,2, ..., and that every almost unital almost linear continuous mapping f : A → B of a JC*-algebra A of real rank zero to a JC*-algebra B is a homomorphism when f(2nuoy) = f(2nu)o f(y) holds for all u ∈ {v ∈ A


It is shown that every almost unital almost linear mapping f : A → B of JC*-algebra A to a JC*-algebra B is a homomorphism when f(2 nu o y) = f(2nu) o f(y) holds for all unitaries u ∈ A, all y ∈ A, and all n = 0,1,2, ..., and that every almost unital almost linear continuous mapping f : A → B of a JC*-algebra A of real rank zero to a JC*-algebra B is a homomorphism when f(2nuoy) = f(2nu)o f(y) holds for all u ∈ {v ∈ A