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Found 197 Documents (Results 1–100)

Self-adjoint extension schemes and modern applications to quantum Hamiltonians. Foreword by Sergio Albeverio. (English) Zbl 07566620

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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Boundary value problems, Weyl functions, and differential operators. (English) Zbl 1457.47001

Monographs in Mathematics 108. Cham: Birkhäuser (ISBN 978-3-030-36713-8/hbk; 978-3-030-36716-9/pbk; 978-3-030-36714-5/ebook). vii, 772 p., open access (2020).
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Finite-dimensional self-adjoint extensions of a symmetric operator with finite defect and their compressions. (English) Zbl 06864062

Colombo, Fabrizio (ed.) et al., Advances in complex analysis and operator theory. Festschrift in honor of Daniel Alpay’s 60th birthday. Contributions partly based on the presentations at the international conference on complex analysis and operator theory, Chapman University, Orange, CA, USA, November 2016. Cham: Birkhäuser/Springer. Trends Math., 135-163 (2017).
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Non-negative self-adjoint extensions in rigged Hilbert space. (English) Zbl 1316.47009

Cepedello Boiso, Manuel (ed.) et al., Concrete operators, spectral theory, operators in harmonic analysis and approximation. 22nd international workshop in operator theory and its applications, IWOTA 11, Sevilla, Spain, July 3–9, 2011. Basel: Birkhäuser/Springer (ISBN 978-3-0348-0647-3/hbk; 978-3-0348-0648-0/ebook). Operator Theory: Advances and Applications 236, 11-41 (2014).
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Laplace operator with \(\delta\)-like potentials. (English. Russian original) Zbl 1304.35236

Russ. Math. 58, No. 2, 6-12 (2014); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2014, No. 2, 9-16 (2014).
MSC:  35J05 35J08
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Method of equipped spaces in the theory of singular perturbations of self-adjoint operators. (Метод оснащених просторів у теорії сингулярних збурень самоспряжених операторів.) (Ukrainian) Zbl 1324.47001

Pratsi Instytutu Matematyky Natsional’noï Akademiï Nauk Ukraïny. Matematyka ta ïï Zastosuvannya 96. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 978-966-02-6847-0). 320 p. (2013).
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On Woronowicz’s approach to the Tomita-Takesaki theory. (English) Zbl 1269.46039

Pusz, Wiesław (ed.) et al., Operator algebras and quantum groups. Proceedings of the conference, Warsaw, Poland, September 19–23, 2011. Warszawa: Polish Academy of Sciences, Institute of Mathematics (ISBN 978-83-86806-17-1/pbk). Banach Center Publications 98, 455-486 (2012).
MSC:  46L10 46L40 47B25
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Discrete spectra of the Dirac Hamiltonian in Coulomb and Aharonov-Bohm potentials in \(2+1\) dimensions. (English. Russian original) Zbl 1274.81079

Theor. Math. Phys. 169, No. 3, 1683-1703 (2011); translation from Teor. Mat. Fiz. 169, No. 3, 368-390 (2011).
MSC:  81Q05 81Q10 35J10
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Iterated function systems, moments, and transformations of infinite matrices. (English) Zbl 1243.47033

Mem. Am. Math. Soc. 1003, ix, 105 p. (2011).
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On a Kreĭn criterion. (English) Zbl 1176.47006

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, 237-243 (2009).
MSC:  47A06 47A20 47B25
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