Commuting self-adjoint extensions of symmetric operators defined from the partial derivatives

DOI10.1063/1.1323499zbMath0986.47022arXivmath/0005248OpenAlexW3104361615MaRDI QIDQ2731837

Palle E. T. Jorgensen, Steen Pedersen

Publication date: 30 July 2001

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0005248

zbMATH Keywords

symmetric operatorspartial derivativesspectral setsextension propertycocycle propertycommuting self-adjoint extensions

Mathematics Subject Classification ID

Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of partial differential operators (47F05) Dilations, extensions, compressions of linear operators (47A20) Spectral sets of linear operators (47A25)

Related Items (4)

Momentum operators in the unit square ⋮ Early influences, the Fuglede question, spectrum vs tiling, and connection to related work by John von Neumann, Irving Segal, Marshall Stone, and David Shale ⋮ Momentum operators in two intervals: spectra and phase transition ⋮ Essential self-adjointness of the graph-Laplacian

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