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On commuting unbounded self-adjoint operators. III - MaRDI portal

On commuting unbounded self-adjoint operators. III (Q1105824)

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scientific article; zbMATH DE number 4060159
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On commuting unbounded self-adjoint operators. III
scientific article; zbMATH DE number 4060159

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    On commuting unbounded self-adjoint operators. III (English)
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    1986
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    The paper continues the author's investigations concerning the couples of unbounded selfadjoint operators which commute on a common core but whose spectral projections do not commute in general [see the author's initial paper in Acta Sci. Math. (Szeged) 47, 131-146 (1984; Zbl 0576.47014)]. The purpose of the present paper is to indicate a model valid for some couples of such operators, satisfying an additional condition wich can be verified for many concrete examples. [For part II see the review below.]
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    model
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    couples of unbounded selfadjoint operators which commute on a common core but whose spectral projections do not commute
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