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arxiv: 1111.2928 · v1 · pith:DICBXADFnew · submitted 2011-11-12 · 🧮 math.OA

2-Local derivations and automorphisms on B(H)

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keywords localautomorphismsderivationderivationsalgebraboundeddevotedevery
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The paper is devoted to 2-local derivations and 2-local automorphisms on the algebra $B(H)$ of all bounded linear operators on a Hilbert space $H.$ We prove that every 2-local derivation on $B(H)$ is a derivation. A similar result is obtained for automorphisms.

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