On commuting compact self-adjoint operators on a Pontryagin space

DOI10.1007/BF01203319zbMath1028.47025OpenAlexW2074391537MaRDI QIDQ5937206

Tomasž Košir, Tirthankar Bhattacharyya

Publication date: 18 November 2001

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01203319

zbMATH Keywords

compact selfadjoint operatorsdecompositions of a Pontryagin spacemultiparameter Sturm-Liouville problem

Mathematics Subject Classification ID

Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Applications of functional analysis to differential and integral equations (46N20) Linear operators on spaces with an indefinite metric (47B50)

Cites Work

• On classification of normal matrices in an indefinite scalar product
• Matrices and indefinite scalar products
• On indecomposable normal matrices in spaces with indefinite salar product
• On root vectors of self-adjoint pencils
• Elliptic multiparameter eigenvalue problems
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