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Found 221 Documents (Results 1–100)

Self-adjoint extension schemes and modern applications to quantum Hamiltonians. With a foreword by Sergio Albeverio. (English) Zbl 1533.47001

Springer Monographs in Mathematics. Cham: Springer (ISBN 978-3-031-10884-6/hbk; 978-3-031-10887-7/pbk; 978-3-031-10885-3/ebook). xxv, 538 p. (2023).
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Generalization of \(C^*\)-algebra methods via real positivity for operator and Banach algebras. (English) Zbl 1367.46020

Doran, Robert S. (ed.) et al., Operator algebras and their applications. A tribute to Richard V. Kadison. AMS special session on operator algebras and their applications: a tribute to Richard V. Kadison, San Antonio, TX, USA, January 10–11, 2015. Proceedings. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-1948-6/pbk; 978-1-4704-3500-4/ebook). Contemporary Mathematics 671, 35-67 (2016).

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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Resistance boundaries of infinite networks. (English) Zbl 1223.05175

Lenz, Daniel (ed.) et al., Random walks, boundaries and spectra. Proceedings of the workshop on boundaries, Graz, Austria, June 29–July 3, 2009 and the Alp-workshop, Sankt Kathrein, Austria, July 4–5, 2009. Basel: Birkhäuser (ISBN 978-3-0346-0243-3/hbk; 978-3-0346-0244-0/ebook). Progress in Probability 64, 111-142 (2011).

Approximation of \({\mathcal N}^\infty_\kappa\)-functions. II: Convergence of models. (English) Zbl 1192.47036

Behrndt, Jussi (ed.) et al., Recent advances in operator theory in Hilbert and Krein spaces. Papers of the 7th workshop on operator theory in Krein spaces and spectral analysis, TU Berlin, Germany, December 13–16, 2007. Dedicated to Peter Jonas. Basel: Birkhäuser (ISBN 978-3-0346-0179-5/hbk; 978-3-0346-0180-1/ebook). Operator Theory: Advances and Applications 198, 125-169 (2010).

\(G\)-self-adjoint operators in almost Pontryagin spaces. (English) Zbl 1179.47037

Behrndt, Jussi (ed.) et al., Spectral theory in inner product spaces and applications. Papers of the 6th workshop on operator theory in Krein spaces and operator polynomials, TU Berlin, Germany, December 14–17, 2006. Basel: Birkhäuser (ISBN 978-3-7643-8910-9/hbk). Operator Theory: Advances and Applications 188, 207-235 (2009).
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Approximation of \(\mathcal N _{\kappa }^{\infty }\)-functions. I: Models and regularization. (English) Zbl 1182.47037

Behrndt, Jussi (ed.) et al., Spectral theory in inner product spaces and applications. Papers of the 6th workshop on operator theory in Krein spaces and operator polynomials, TU Berlin, Germany, December 14–17, 2006. Basel: Birkhäuser (ISBN 978-3-7643-8910-9/hbk). Operator Theory: Advances and Applications 188, 87-112 (2009).
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Minimal models for \({\mathcal N}_\kappa^\infty\)-functions. (English) Zbl 1111.47026

Langer, Matthias (ed.) et al., Operator theory and indefinite inner product spaces. Presented on the occasion of the retirement of Heinz Langer in the colloquium on operator theory, Vienna, March 2004. Basel: Birkhäuser (ISBN 3-7643-7515-9/hbk). Operator Theory: Advances and Applications 163, 97-134 (2006).

Similarity between Kreĭn space bicontractions and Hilbert space contractions. (English) Zbl 1026.47026

Dijksma, A. (ed.) et al., Recent advances in operator theory. The Israel Gohberg anniversary volume. Proceedings of the international workshop on operator theory and its applications, IWOTA-98, Groningen, Netherlands, June 30-July 3, 1998. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 124, 109-129 (2001).
MSC:  47B50 47B25 47A15

Symplectic functional analysis and spectral invariants. (English) Zbl 0942.58030

Booss-Bavnbek, Bernhelm (ed.) et al., Geometric aspects of partial differential equations. Proceedings of a minisymposium on spectral invariants, heat equation approach, Roskilde, Denmark, September 18-19, 1998. Providence, RI: American Mathematical Society. Contemp. Math. 242, 53-83 (1999).

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