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Lower semicontinuity of positive quadratic forms. (English) Zbl 0442.47017

MSC:
47B25 Linear symmetric and selfadjoint operators (unbounded)
47A55 Perturbation theory of linear operators
15A63 Quadratic and bilinear forms, inner products
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References:
[1] Reed, Methods of Modern Mathematical Physics. I. Functional Analysis (1972) · Zbl 0242.46001
[2] DOI: 10.1007/BF01609845 · doi:10.1007/BF01609845
[3] Brezis, Maximal Monotone Operators (1973)
[4] Kato, Perturbation Theory for Linear Operators (1966) · Zbl 0148.12601
[5] Dym, Fourier Series and Integrals (1972)
[6] DOI: 10.1016/0001-8708(77)90108-6 · Zbl 0938.81568 · doi:10.1016/0001-8708(77)90108-6
This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.