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Found 113 Documents (Results 1–100)

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A class of singular perturbations of the Dirac operator: boundary triplets and Weyl functions. (English) Zbl 07523170

de Snoo, H. S. V. (ed.) et al., Contributions to mathematics and statistics. Essays in honor of Seppo Hassi. Vaasa: University of Vaasa, School of Technology and Innovation. Acta Wasaensia 462, 15-35 (2021).
MSC:  47-XX 42-XX 30-XX
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Scattering matrices and Weyl functions of quasi boundary triples. (English) Zbl 1481.47009

Kurasov, Pavel (ed.) et al., Analysis as a tool in mathematical physics. In memory of Boris Pavlov. Collected papers presented at the conferences “Spectral Theory and Applications”, Stockholm, Sweden, March 13–15, 2016 and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016”, Euler International Mathematical Institute, St. Petersburg, Russia, August 2–7, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 276, 162-182 (2020).
MSC:  47A40 81U20 35J10
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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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Quasi boundary triples, self-adjoint extensions, and Robin Laplacians on the half-space. (English) Zbl 1425.35123

Alpay, Daniel (ed.) et al., Linear systems, signal processing and hypercomplex analysis. Selected papers of the conference on mathematics, signal processing and linear systems: new problems and directions, Chapman University, Orange, CA, USA, November 14–19, 2017. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 275, 49-66 (2019).
MSC:  35P05 47B25 47F05
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Finite rank perturbations in Pontryagin spaces and a Sturm-Liouville problem with \(\lambda\)-rational boundary conditions. (English) Zbl 1471.47024

Alpay, Daniel (ed.) et al., Indefinite inner product spaces, Schur analysis, and differential equations. A volume dedicated to Heinz Langer. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 263, 163-189 (2018).
MSC:  47B50 34L05 47A55
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Trace formulae for Schrödinger operators with singular interactions. (English) Zbl 1372.81055

Dittrich, Jaroslav (ed.) et al., Functional analysis and operator theory for quantum physics. The Pavel Exner anniversary volume. Dedicated to Pavel Exner on the occasion of his 70th birthday. Zürich: European Mathematical Society (EMS) (ISBN 978-3-03719-175-0/hbk; 978-3-03719-675-5/ebook). EMS Series of Congress Reports, 129-152 (2017).
MSC:  81Q10 46F10 47B10
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On the index of meromorphic operator-valued functions and some applications. (English) Zbl 1441.47012

Dittrich, Jaroslav (ed.) et al., Functional analysis and operator theory for quantum physics. The Pavel Exner anniversary volume. Dedicated to Pavel Exner on the occasion of his 70th birthday. Zürich: European Mathematical Society (EMS). EMS Ser. Congr. Rep., 95-127 (2017).
MSC:  47A56 47A53 47A68
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The Krein-von Neumann realization of perturbed Laplacians on bounded Lipschitz domains. (English) Zbl 1372.35200

Eisner, Tanja (ed.) et al., Operator theory, function spaces, and applications. International workshop on operator theory and applications, Amsterdam, The Netherlands, July 14–18, 2014. Basel: Birkhäuser/Springer (ISBN 978-3-319-31381-8/hbk; 978-3-319-31383-2/ebook). Operator Theory: Advances and Applications 255, 49-66 (2016).
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Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples. (English) Zbl 1331.47067

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, 121-160 (2012).
MSC:  47F05 47B25 47N20
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Spectral theory, mathematical system theory, evolution equations, differential and difference equations. Selected papers of 21st international workshop on operator theory and applications, IWOTA10, Berlin, Germany, July 12–16, 2010. (English) Zbl 1245.47001

Operator Theory: Advances and Applications 221. Basel: Birkhäuser (ISBN 978-3-0348-0296-3/hbk; 978-3-0348-0297-0/ebook). x, 690 p. (2012).
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Finite rank perturbations, scattering matrices and inverse problems. (English) Zbl 1192.47008

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, 61-85 (2010).
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In memoriam Peter Jonas (1941–2007). List of publications of Peter Jonas. (English) Zbl 1191.47002

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, viii-xv (2010).
MSC:  47-03 01A70
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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. (English) Zbl 1181.47004

Operator Theory: Advances and Applications 198. Basel: Birkhäuser (ISBN 978-3-0346-0179-5/hbk; 978-3-0346-0180-1/ebook). xv, 307 p. (2010).
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Trace formulae for dissipative and coupled scattering systems. (English) Zbl 1175.47008

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, 49-85 (2009).
MSC:  47A40 47A55 47B44
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On domains of powers of linear operators and finite rank perturbations. (English) Zbl 1177.47004

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, 31-36 (2009).
MSC:  47A05 47B50 47A55
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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. (English) Zbl 1151.47002

Operator Theory: Advances and Applications 188. Basel: Birkhäuser (ISBN 978-3-7643-8910-9/hbk). xx, 250 p. (2009).
MSC:  47-06 46-06 00B25
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