nearly jordan โˆ—-homomorphisms between unital ๐ถโˆ—-algebras

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ID: 254661
2011
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Abstract
Let ๐ด, ๐ต be two unital ๐ถโˆ—-algebras. We prove that every almost unital almost linear mapping โ„Ž : ๐ดโ†’๐ต which satisfies โ„Ž(3๐‘›๐‘ข๐‘ฆ+3๐‘›๐‘ฆ๐‘ข)=โ„Ž(3๐‘›๐‘ข)โ„Ž(๐‘ฆ)+โ„Ž(๐‘ฆ)โ„Ž(3๐‘›๐‘ข) for all ๐‘ขโˆˆ๐‘ˆ(๐ด), all ๐‘ฆโˆˆ๐ด, and all ๐‘›=0,1,2,โ€ฆ, is a Jordan homomorphism. Also, for a unital ๐ถโˆ—-algebra ๐ด of real rank zero, every almost unital almost linear continuous mapping โ„Žโˆถ๐ดโ†’๐ต is a Jordan homomorphism when โ„Ž(3๐‘›๐‘ข๐‘ฆ+3๐‘›๐‘ฆ๐‘ข)=โ„Ž(3๐‘›๐‘ข)โ„Ž(๐‘ฆ)+โ„Ž(๐‘ฆ)โ„Ž(3๐‘›๐‘ข) holds for all ๐‘ขโˆˆ๐ผ1 (๐ดsa), all ๐‘ฆโˆˆ๐ด, and all ๐‘›=0,1,2,โ€ฆ. Furthermore, we investigate the Hyers- Ulam-Aoki-Rassias stability of Jordan โˆ—-homomorphisms between unital ๐ถโˆ—-algebras by using the fixed points methods.
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ebadian2011abstractnearly Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;A. Ebadian;S. Kaboli Gharetapeh;M. Eshaghi Gordji
Journal science and technology of advanced materials
Year 2011
DOI
10.1155/2011/513128
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