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Found 16 Documents (Results 1–16)

Boundary triplets, Weyl functions, and the Kreĭn formula. (English) Zbl 1347.47015

Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Basel: Springer (ISBN 978-3-0348-0666-4/print; 978-3-0348-0667-1/ebook; 978-3-0348-0668-8/print+ebook; 978-3-0348-0692-3/online (updated continuously)). Springer Reference, 183-218 (2015).
MSC:  47B25 47B50 47-02
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Boundary triplets and Weyl functions. Recent developments. (English) Zbl 1320.47024

Hassi, Seppo (ed.) et al., Operator methods for boundary value problems. Cambridge: Cambridge University Press (ISBN 978-1-107-60611-1/pbk; 978-1-139-13506-1/ebook). London Mathematical Society Lecture Note Series 404, 161-220 (2012).
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The resolvent matrix of an Hermitian operator and a moment problem with gaps. (English. Russian original) Zbl 0756.47027

Sov. Math., Dokl. 42, No. 2, 429-435 (1991); translation from Dokl. Akad. Nauk SSSR 314, No. 2, 273-278 (1990).
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A class of Hermitian operator extensions and the Weyl function. (English. Russian original) Zbl 0715.47013

Sov. Math. 33, No. 5, 116-122 (1989); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1989, No. 5(324), 71-75 (1989).
Reviewer: L.Zsido
MSC:  47B25 47A56 47A20
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A class of Hermitian operator extensions and the Weyl function. (English. Russian original) Zbl 0738.47020

Sov. Math. 33, No. 5, 116-122 (1989); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1989, No. 5(324), 71-75 (1989).
Reviewer: L.Zsido (Roma)
MSC:  47B25 47A56 47A20
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