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Maps Preserving the Coincidence Points of Operators

Year: 2021
Type: article
Abstract: Let B(X) be the algebra of all bounded linear operators on a Banach space X with dimX ≥ 2. In this paper, we describe surjective maps φ : B(X) → B(X) preserving the coincidence points of operators, i.e., C(A,B) = C(φ(A), φ(B)), for every A,B ∈ B(X), where C(A,B) denotes the set of all coincidence points of two operators A and B.
Language: English
Open Access status: diamond
OpenAlex ID: W4285511989
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