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Domain characterizations of strong commutativity of unbounded self‐adjoint operators

Konrad Schmüdgen

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Source: Crossref

Published: Oct 28, 2026

DOI: 10.1112/blms.70535

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Source abstract

Abstract Let and be unbounded self‐adjoint operators on a Hilbert space. Suppose that there exists a dense linear subspace such that for . We give some characterizations of the strong commutativity of and in terms of domain equalities.

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Domain characterizations of strong commutativity of unbounded self‐adjoint operators — Mathematical Frontier Network