Quantum field theoretic properties of a model of Nelson: domain and eigenvector stability for perturbed linear operators

DOI10.1016/0022-1236(71)90023-1zbMath0216.41901OpenAlexW1998783127MaRDI QIDQ2546112

John T. Cannon

Publication date: 1971

Published in: Journal of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-1236(71)90023-1

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

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Cites Work

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• A<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>λ</mml:mi><mml:mrow><mml:msup><mml:mrow><mml:mi>ϕ</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Quantum Field Theory without Cutoffs. I
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