Edit Profile (opens in new tab) Behrndt, Jussi Compute Distance To: Compute Author ID: behrndt.jussi Published as: Behrndt, Jussi; Behrndt, J. Homepage: https://www.math.tugraz.at/~behrndt/ External Links: MGP · ORCID · dblp · GND Documents Indexed: 105 Publications since 2005, including 1 Book 6 Contributions as Editor Reviewing Activity: 34 Reviews Co-Authors: 70 Co-Authors with 102 Joint Publications 1,906 Co-Co-Authors all top 5 Co-Authors 9 single-authored 24 Trunk, Carsten 16 Lotoreichik, Vladimir 12 Langer, Matthias 10 de Snoo, Hendrik S. V. 9 Hassi, Seppo 9 Holzmann, Markus 8 Neidhardt, Hagen 8 Rohleder, Jonathan 7 Exner, Pavel 7 Philipp, Friedrich 6 Gesztesy, Fritz 6 Malamud, Mark M. 4 Azizov, Tomas Ya. 4 Förster, Karl-Heinz 4 Jonas, Peter 4 Luger, Annemarie 4 Möws, Roland 4 Schlosser, Peter 4 ter Elst, Antonius Frederik Maria 4 Wietsma, Rudi 3 Colombo, Fabrizio 3 Leben, Leslie 2 Aharonov, Yakir 2 Ball, Joseph Anthony 2 Derkach, Vladimir Alexandrovich 2 Holden, Helge 2 Katatbeh, Qutaibeh Deeb 2 Martínez Pería, Francisco D. 2 Micheler, Till 2 Mitrea, Marius 2 Nichols, Roger 2 Pankrashkin, Konstantin 2 Schmitz, Philipp 1 Alpay, Daniel Aron 1 Arendt, Wolfgang 1 Brown, Malcolm W. 1 Chen, Shaozhu 1 Frank, Rupert L. 1 Grubb, Gerd 1 Ichinose, Takashi 1 Khrabustovskyi, Andrii 1 Krejčiřík, David 1 Kreusler, Hans-Christian 1 Kühn, Christian 1 Kurula, Mikael 1 Langer, Heinz 1 Lobanov, Igor 1 Mantile, Andrea 1 Mas, Albert 1 Mehl, Christian 1 Mehrmann, Volker 1 Ourmiéres-Bonafos, Thomas 1 Plum, Michael 1 Popov, Igor’ Yur’evich 1 Posilicano, Andrea 1 Post, Olaf 1 Qi, Jiangang 1 Racec, Elena R. 1 Racec, Paul N. 1 Rehberg, Joachim 1 Spitkovsky, Ilya Matvey 1 Stadler, Simon 1 Stelzer, Christian 1 Stenzel, Georg 1 van der Schaft, Arjan J. 1 Wietsma, Hendrik Luit 1 Winkler, Henrik 1 Wulf, Ulrich 1 Zagrebnov, Valentin A. 1 Zwart, Hans J. all top 5 Serials 9 Journal of Differential Equations 8 Journal of Functional Analysis 6 Journal of Mathematical Analysis and Applications 6 Integral Equations and Operator Theory 6 Journal of Spectral Theory 4 Mathematische Nachrichten 4 Proceedings of the American Mathematical Society 4 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 4 Complex Analysis and Operator Theory 3 Journal of the London Mathematical Society. Second Series 3 Linear Algebra and its Applications 3 Annales Henri Poincaré 3 Journal of Physics A: Mathematical and Theoretical 3 Operator Theory: Advances and Applications 2 Reviews in Mathematical Physics 2 Mathematische Annalen 2 Journal of Operator Theory 2 Opuscula Mathematica 2 Oberwolfach Reports 2 Quantum Studies: Mathematics and Foundations 1 Inverse Problems 1 Journal d’Analyse Mathématique 1 Journal of Mathematical Physics 1 Advances in Mathematics 1 Proceedings of the London Mathematical Society. Third Series 1 Transactions of the American Mathematical Society 1 Communications in Partial Differential Equations 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 European Mathematical Society Newsletter 1 Methods of Functional Analysis and Topology 1 Mathematical Physics, Analysis and Geometry 1 Journal of Evolution Equations 1 Monographs in Mathematics 1 Operators and Matrices 1 Discrete and Continuous Dynamical Systems. Series S 1 Bulletin of Mathematical Sciences 1 Nanosystems. Physics, Chemistry, Mathematics all top 5 Fields 94 Operator theory (47-XX) 44 Partial differential equations (35-XX) 30 Ordinary differential equations (34-XX) 30 Quantum theory (81-XX) 16 Functional analysis (46-XX) 7 General and overarching topics; collections (00-XX) 5 Functions of a complex variable (30-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Several complex variables and analytic spaces (32-XX) 2 History and biography (01-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Global analysis, analysis on manifolds (58-XX) 2 Systems theory; control (93-XX) 1 Real functions (26-XX) 1 Integral transforms, operational calculus (44-XX) 1 Probability theory and stochastic processes (60-XX) 1 Numerical analysis (65-XX) 1 Optics, electromagnetic theory (78-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 93 Publications have been cited 898 times in 420 Documents Cited by ▼ Year ▼ Boundary value problems for elliptic partial differential operators on bounded domains. Zbl 1132.47038Behrndt, Jussi; Langer, Matthias 59 2007 Schrödinger operators with \(\delta\) and \(\delta^{\prime}\)-potentials supported on hypersurfaces. Zbl 1275.81027Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir 50 2013 Scattering matrices and Weyl functions. Zbl 1161.47008Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 37 2008 Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples. Zbl 1331.47067Behrndt, Jussi; Langer, Matthias 33 2012 Boundary value problems, Weyl functions, and differential operators. Zbl 1457.47001Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk 29 2020 Schrödinger operators with \(\delta\)- and \(\delta'\)-interactions on Lipschitz surfaces and chromatic numbers of associated partitions. Zbl 1326.47050Behrndt, Jussi; Exner, Pavel; Lotoreichik, Vladimir 23 2014 Dirichlet-to-Neumann maps on bounded Lipschitz domains. Zbl 1344.35032Behrndt, J.; ter Elst, A. F. M. 21 2015 Generalized \(Q\)-functions and Dirichlet-to-Neumann maps for elliptic differential operators. Zbl 1179.47041Alpay, Daniel; Behrndt, Jussi 21 2009 On the negative squares of indefinite Sturm–Liouville operators. Zbl 1123.47033Behrndt, Jussi; Trunk, Carsten 19 2007 Square-integrable solutions and Weyl functions for singular canonical systems. Zbl 1232.34037Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk; Wietsma, Rudi 19 2011 An inverse problem of Calderón type with partial data. Zbl 1244.35164Behrndt, Jussi; Rohleder, Jonathan 19 2012 Schrödinger operators with \(\delta\)-interactions supported on conical surfaces. Zbl 1297.35154Behrndt, J.; Exner, P.; Lotoreichik, V. 18 2014 Elliptic differential operators on Lipschitz domains and abstract boundary value problems. Zbl 1300.35026Behrndt, Jussi; Micheler, Till 18 2014 Bounds on the non-real spectrum of differential operators with indefinite weights. Zbl 1281.47024Behrndt, Jussi; Philipp, Friedrich; Trunk, Carsten 18 2013 On the spectral properties of Dirac operators with electrostatic \(\delta\)-shell interactions. Zbl 1382.81095Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 17 2018 Compact and finite rank perturbations of closed linear operators and relations in Hilbert spaces. Zbl 1194.47016Azizov, Tomas Ya.; Behrndt, Jussi; Jonas, Peter; Trunk, Carsten 17 2009 Non-real eigenvalues of singular indefinite Sturm-Liouville operators. Zbl 1182.47036Behrndt, Jussi; Katatbeh, Qutaibeh; Trunk, Carsten 16 2009 On the spectral theory of singular indefinite Sturm-Liouville operators. Zbl 1126.34052Behrndt, Jussi 14 2007 On the number of negative eigenvalues of the Laplacian on a metric graph. Zbl 1204.81076Behrndt, Jussi; Luger, Annemarie 14 2010 Spectral points of definite type and type \(\pi \) for linear operators and relations in Krein spaces. Zbl 1220.47052Azizov, T. Ya.; Behrndt, J.; Jonas, P.; Trunk, C. 14 2011 Scattering theory for open quantum systems with finite rank coupling. Zbl 1144.81480Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 14 2007 On Dirac operators in \(\mathbb{R}^3\) with electrostatic and Lorentz scalar \(\delta\)-shell interactions. Zbl 1423.81072Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 14 2019 Dirac structures and their composition on Hilbert spaces. Zbl 1209.47016Kurula, Mikael; Zwart, Hans; van der Schaft, Arjan; Behrndt, Jussi 13 2010 Spectral estimates for resolvent differences of self-adjoint elliptic operators. Zbl 1311.47059Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir 13 2013 Monotone convergence theorems for semi-bounded operators and forms with applications. Zbl 1200.47022Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk; Wietsma, Rudi 12 2010 Spectral analysis of selfadjoint elliptic differential operators, Dirichlet-to-Neumann maps, and abstract Weyl functions. Zbl 1344.47018Behrndt, Jussi; Rohleder, Jonathan 12 2015 Boundary value problems with local generalized Nevanlinna functions in the boundary condition. Zbl 1121.47029Behrndt, Jussi; Jonas, Peter 12 2006 Trace formulae and singular values of resolvent power differences of self-adjoint elliptic operators. Zbl 1296.35097Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir 12 2013 Approximation of Schrödinger operators with {\(\delta\)}-interactions supported on hypersurfaces. Zbl 1376.35010Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 12 2017 Scattering matrices and Dirichlet-to-Neumann maps. Zbl 1376.35011Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 12 2017 Spectral analysis of singular ordinary differential operators with indefinite weights. Zbl 1197.34167Behrndt, Jussi; Philipp, Friedrich 11 2010 Boundary value problems with eigenvalue depending boundary conditions. Zbl 1177.47088Behrndt, Jussi 11 2009 A remark on Schatten-von Neumann properties of resolvent differences of generalized Robin Laplacians on bounded domains. Zbl 1198.35159Behrndt, Jussi; Langer, Matthias; Lobanov, Igor; Lotoreichik, Vladimir; Popov, Igor Yu. 10 2010 Sturm–Liouville operators with indefinite weight functions and eigenvalue depending boundary conditions. Zbl 1099.34018Behrndt, Jussi; Trunk, Carsten 10 2006 Boundary relations, unitary colligations, and functional models. Zbl 1186.47007Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk 10 2009 Estimates on the non-real eigenvalues of regular indefinite Sturm-Liouville problems. Zbl 1325.34098Behrndt, Jussi; Chen, Shaozhu; Philipp, Friedrich; Qi, Jiangang 10 2014 Elliptic boundary value problems with \(\lambda \)-dependent boundary conditions. Zbl 1203.35086Behrndt, Jussi 9 2010 On finite rank perturbations of definitizable operators. Zbl 1127.47034Azizov, Tomas Ya.; Behrndt, Jussi; Trunk, Carsten 8 2008 Quasi boundary triples and semi-bounded self-adjoint extensions. Zbl 1386.35290Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir; Rohleder, Jonathan 8 2017 Spectral asymptotics for resolvent differences of elliptic operators with \(\delta\) and \(\delta^{'}\)-interactions on hypersurfaces. Zbl 1353.47090Behrndt, Jussi; Grubb, Gerd; Langer, Matthias; Lotoreichik, Vladimir 8 2015 An analytic characterization of the eigenvalues of self-adjoint extensions. Zbl 1114.47037Behrndt, Jussi; Luger, Annemarie 8 2007 Finite rank perturbations of locally definitizable self-adjoint operators in Krein spaces. Zbl 1164.47042Behrndt, Jussi 8 2007 On compact perturbations of locally definitizable selfadjoint relations in Krein spaces. Zbl 1083.47030Behrndt, Jussi; Jonas, Peter 8 2005 Functional models for Nevanlinna families. Zbl 1183.47004Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk 8 2008 A realization theorem for generalized Nevanlinna families. Zbl 1255.46011Behrndt, J.; Derkach, V. A.; Hassi, S.; de Snoo, H. S. V. 8 2011 Dirichlet-to-Neumann maps, abstract Weyl-Titchmarsh \(M\)-functions, and a generalized index of unbounded meromorphic operator-valued functions. Zbl 1350.47009Behrndt, Jussi; Gesztesy, Fritz; Holden, Helge; Nichols, Roger 7 2016 Two-dimensional Dirac operators with singular interactions supported on closed curves. Zbl 1446.35155Behrndt, Jussi; Holzmann, Markus; Ourmières-Bonafos, Thomas; Pankrashkin, Konstantin 7 2020 Evolution of Aharonov-Berry superoscillations in Dirac \(\delta\)-potential. Zbl 1423.81063Behrndt, Jussi; Colombo, Fabrizio; Schlosser, Peter 7 2019 On the negative squares of a class of self-adjoint extensions in Krein spaces. Zbl 1275.47084Behrndt, Jussi; Luger, Annemarie; Trunk, Carsten 6 2013 On the adjoint of a symmetric operator. Zbl 1209.47010Behrndt, Jussi; Langer, Matthias 6 2010 On Dirac operators with electrostatic \(\delta \)-shell interactions of critical strength. Zbl 1437.35595Behrndt, Jussi; Holzmann, Markus 6 2020 On finite rank perturbations of selfadjoint operators in Krein spaces and eigenvalues in spectral gaps. Zbl 1348.47009Behrndt, Jussi; Möws, Roland; Trunk, Carsten 6 2014 Spectral theory for Schrödinger operators with \(\delta\)-interactions supported on curves in \(\mathbb {R}^3\). Zbl 1378.81026Behrndt, Jussi; Frank, Rupert L.; Kühn, Christian; Lotoreichik, Vladimir; Rohleder, Jonathan 6 2017 Spectral bounds for singular indefinite Sturm-Liouville operators with \(L^1\)-potentials. Zbl 1396.34052Behrndt, Jussi; Schmitz, Philipp; Trunk, Carsten 5 2018 Spectral enclosures for non-self-adjoint extensions of symmetric operators. Zbl 1472.47018Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir; Rohleder, Jonathan 5 2018 Titchmarsh-Weyl theory for Schrödinger operators on unbounded domains. Zbl 1381.35025Behrndt, Jussi; Rohleder, Jonathan 5 2016 Finite rank perturbations, scattering matrices and inverse problems. Zbl 1192.47008Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 5 2010 Eigenvalue estimates for singular left-definite Sturm-Liouville operators. Zbl 1235.34225Behrndt, Jussi; Möws, Roland; Trunk, Carsten 5 2011 Accumulation of complex eigenvalues of indefinite Sturm-Liouville operators. Zbl 1140.81375Behrndt, Jussi; Katatbeh, Qutaibeh; Trunk, Carsten 5 2008 On Kreĭn’s formula. Zbl 1179.47023Behrndt, Jussi; De Snoo, Henk 4 2009 Properties of the spectrum of type \(\pi_+\) and type \(\pi_-\) of self-adjoint operators in Krein spaces. Zbl 1118.47028Behrndt, Jussi; Philipp, Friedrich; Trunk, Carsten 4 2006 Generalized resolvents of a class of symmetric operators in Krein spaces. Zbl 1138.47030Behrndt, Jussi; Luger, Annemarie; Trunk, Carsten 4 2007 Green’s function for the Schrödinger equation with a generalized point interaction and stability of superoscillations. Zbl 1456.81165Aharonov, Yakir; Behrndt, Jussi; Colombo, Fabrizio; Schlosser, Peter 4 2021 On domains of powers of linear operators and finite rank perturbations. Zbl 1177.47004Azizov, Tomas Ya.; Behrndt, Jussi; Philipp, Friedrich; Trunk, Carsten 4 2009 The effect of finite rank perturbations on Jordan chains of linear operators. Zbl 1412.47007Behrndt, Jussi; Leben, Leslie; Martínez Pería, Francisco; Trunk, Carsten 4 2015 Sharp eigenvalue estimates for rank one perturbations of nonnegative operators in Krein spaces. Zbl 1341.47045Behrndt, Jussi; Leben, Leslie; Martínez Pería, Francisco; Möws, Roland; Trunk, Carsten 3 2016 Linear fractional transformations of Nevanlinna functions associated with a nonnegative operator. Zbl 1311.30033Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk; Wietsma, Rudi; Winkler, Henrik 3 2013 Realization of nonstrict matrix Nevanlinna functions as Weyl functions of symmetric operators in Pontryagin spaces. Zbl 1166.47035Behrndt, Jussi 3 2009 Spectral bounds for indefinite singular Sturm-Liouville operators with uniformly locally integrable potentials. Zbl 1416.34019Behrndt, Jussi; Schmitz, Philipp; Trunk, Carsten 3 2019 Spectral theory of elliptic differential operators with indefinite weights. Zbl 1400.35085Behrndt, Jussi 3 2013 An open problem: accumulation of nonreal eigenvalues of indefinite Sturm-Liouville operators. Zbl 1283.47052Behrndt, Jussi 3 2013 The Krein-von Neumann realization of perturbed Laplacians on bounded Lipschitz domains. Zbl 1372.35200Behrndt, Jussi; Gesztesy, Fritz; Micheler, Till; Mitrea, Marius 3 2016 The Landau Hamiltonian with \(\delta \)-potentials supported on curves. Zbl 1465.35132Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 3 2020 An indefinite Laplacian on a rectangle. Zbl 1402.35184Behrndt, Jussi; Krejčiřík, David 2 2018 Spectral shift functions and Dirichlet-to-Neumann maps. Zbl 1417.35016Behrndt, Jussi; Gesztesy, Fritz; Nakamura, Shu 2 2018 Coupling of symmetric operators and the third Green identity. Zbl 1466.47017Behrndt, Jussi; Derkach, Vladimir; Gesztesy, Fritz; Mitrea, Marius 2 2018 Antitonicity of the inverse for selfadjoint matrices, operators, and relations. Zbl 1300.47010Behrndt, Jussi; Hassi, Seppo; Wietsma, Hendrik; de Snoo, Henk 2 2014 Boundary triples for Schrödinger operators with singular interactions on hypersurfaces. Zbl 1353.47043Behrndt, J.; Langer, M.; Lotoreichik, V. 2 2016 Limit properties of monotone matrix functions. Zbl 1235.26008Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk; Wietsma, Rudi 2 2012 Boundary relations and generalized resolvents of symmetric operators in Krein spaces. Zbl 1160.47034Behrndt, Jussi; Kreusler, Hans-Christian 2 2007 A class of abstract boundary value problems with locally definitizable functions in the boundary condition. Zbl 1127.47035Behrndt, Jussi 2 2006 Self-adjoint Dirac operators on domains in \(\mathbb{R}^3\). Zbl 1454.81079Behrndt, Jussi; Holzmann, Markus; Mas, Albert 2 2020 Trace formulae for dissipative and coupled scattering systems. Zbl 1175.47008Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 2 2009 The generalized Birman-Schwinger principle. Zbl 07462172Behrndt, Jussi; ter Elst, A. F. M.; Gesztesy, Fritz 2 2022 The Dirichlet-to-Neumann map for Schrödinger operators with complex potentials. Zbl 1372.35095Behrndt, Jussi; ter Elst, A. F. M. 2 2017 Finite rank perturbations in Pontryagin spaces and a Sturm-Liouville problem with \(\lambda\)-rational boundary conditions. Zbl 1471.47024Behrndt, Jussi; Philipp, Friedrich 1 2018 Mini-workshop: Boundary value problems and spectral geometry. Abstracts from the mini-workshop held January 1–7, 2012. Zbl 1349.00057 1 2012 On Eisenbud’s and Wigner’s \(R\)-matrix: A general approach. Zbl 1158.34052Behrndt, Jussi; Neidhardt, Hagen; Racec, Elena R.; Racec, Paul N.; Wulf, Ulrich 1 2008 Eigenvalue inequalities for Schrödinger operators on unbounded Lipschitz domains. Zbl 1423.35087Behrndt, Jussi; Rohleder, Jonathan; Stadler, Simon 1 2018 On generalized resolvents of symmetric operators of defect one with finitely many negative squares. Zbl 1107.47025Behrndt, Jussi; Trunk, Carsten 1 2005 Limiting absorption principle and scattering matrix for Dirac operators with \(\delta\)-shell interactions. Zbl 1439.81037Behrndt, Jussi; Holzmann, Markus; Mantile, Andrea; Posilicano, Andrea 1 2020 Inverse problems with partial data for elliptic operators on unbounded Lipschitz domains. Zbl 1445.35147Behrndt, Jussi; Rohleder, Jonathan 1 2020 On the index of meromorphic operator-valued functions and some applications. Zbl 1441.47012Behrndt, Jussi; Gesztesy, Fritz; Holden, Helge; Nichols, Roger 1 2017 The generalized Birman-Schwinger principle. Zbl 07462172Behrndt, Jussi; ter Elst, A. F. M.; Gesztesy, Fritz 2 2022 Green’s function for the Schrödinger equation with a generalized point interaction and stability of superoscillations. Zbl 1456.81165Aharonov, Yakir; Behrndt, Jussi; Colombo, Fabrizio; Schlosser, Peter 4 2021 Boundary value problems, Weyl functions, and differential operators. Zbl 1457.47001Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk 29 2020 Two-dimensional Dirac operators with singular interactions supported on closed curves. Zbl 1446.35155Behrndt, Jussi; Holzmann, Markus; Ourmières-Bonafos, Thomas; Pankrashkin, Konstantin 7 2020 On Dirac operators with electrostatic \(\delta \)-shell interactions of critical strength. Zbl 1437.35595Behrndt, Jussi; Holzmann, Markus 6 2020 The Landau Hamiltonian with \(\delta \)-potentials supported on curves. Zbl 1465.35132Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 3 2020 Self-adjoint Dirac operators on domains in \(\mathbb{R}^3\). Zbl 1454.81079Behrndt, Jussi; Holzmann, Markus; Mas, Albert 2 2020 Limiting absorption principle and scattering matrix for Dirac operators with \(\delta\)-shell interactions. Zbl 1439.81037Behrndt, Jussi; Holzmann, Markus; Mantile, Andrea; Posilicano, Andrea 1 2020 Inverse problems with partial data for elliptic operators on unbounded Lipschitz domains. Zbl 1445.35147Behrndt, Jussi; Rohleder, Jonathan 1 2020 On Dirac operators in \(\mathbb{R}^3\) with electrostatic and Lorentz scalar \(\delta\)-shell interactions. Zbl 1423.81072Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 14 2019 Evolution of Aharonov-Berry superoscillations in Dirac \(\delta\)-potential. Zbl 1423.81063Behrndt, Jussi; Colombo, Fabrizio; Schlosser, Peter 7 2019 Spectral bounds for indefinite singular Sturm-Liouville operators with uniformly locally integrable potentials. Zbl 1416.34019Behrndt, Jussi; Schmitz, Philipp; Trunk, Carsten 3 2019 On the spectral properties of Dirac operators with electrostatic \(\delta\)-shell interactions. Zbl 1382.81095Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 17 2018 Spectral bounds for singular indefinite Sturm-Liouville operators with \(L^1\)-potentials. Zbl 1396.34052Behrndt, Jussi; Schmitz, Philipp; Trunk, Carsten 5 2018 Spectral enclosures for non-self-adjoint extensions of symmetric operators. Zbl 1472.47018Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir; Rohleder, Jonathan 5 2018 An indefinite Laplacian on a rectangle. Zbl 1402.35184Behrndt, Jussi; Krejčiřík, David 2 2018 Spectral shift functions and Dirichlet-to-Neumann maps. Zbl 1417.35016Behrndt, Jussi; Gesztesy, Fritz; Nakamura, Shu 2 2018 Coupling of symmetric operators and the third Green identity. Zbl 1466.47017Behrndt, Jussi; Derkach, Vladimir; Gesztesy, Fritz; Mitrea, Marius 2 2018 Finite rank perturbations in Pontryagin spaces and a Sturm-Liouville problem with \(\lambda\)-rational boundary conditions. Zbl 1471.47024Behrndt, Jussi; Philipp, Friedrich 1 2018 Eigenvalue inequalities for Schrödinger operators on unbounded Lipschitz domains. Zbl 1423.35087Behrndt, Jussi; Rohleder, Jonathan; Stadler, Simon 1 2018 Approximation of Schrödinger operators with {\(\delta\)}-interactions supported on hypersurfaces. Zbl 1376.35010Behrndt, Jussi; Exner, Pavel; Holzmann, Markus; Lotoreichik, Vladimir 12 2017 Scattering matrices and Dirichlet-to-Neumann maps. Zbl 1376.35011Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 12 2017 Quasi boundary triples and semi-bounded self-adjoint extensions. Zbl 1386.35290Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir; Rohleder, Jonathan 8 2017 Spectral theory for Schrödinger operators with \(\delta\)-interactions supported on curves in \(\mathbb {R}^3\). Zbl 1378.81026Behrndt, Jussi; Frank, Rupert L.; Kühn, Christian; Lotoreichik, Vladimir; Rohleder, Jonathan 6 2017 The Dirichlet-to-Neumann map for Schrödinger operators with complex potentials. Zbl 1372.35095Behrndt, Jussi; ter Elst, A. F. M. 2 2017 On the index of meromorphic operator-valued functions and some applications. Zbl 1441.47012Behrndt, Jussi; Gesztesy, Fritz; Holden, Helge; Nichols, Roger 1 2017 Dirichlet-to-Neumann maps, abstract Weyl-Titchmarsh \(M\)-functions, and a generalized index of unbounded meromorphic operator-valued functions. Zbl 1350.47009Behrndt, Jussi; Gesztesy, Fritz; Holden, Helge; Nichols, Roger 7 2016 Titchmarsh-Weyl theory for Schrödinger operators on unbounded domains. Zbl 1381.35025Behrndt, Jussi; Rohleder, Jonathan 5 2016 Sharp eigenvalue estimates for rank one perturbations of nonnegative operators in Krein spaces. Zbl 1341.47045Behrndt, Jussi; Leben, Leslie; Martínez Pería, Francisco; Möws, Roland; Trunk, Carsten 3 2016 The Krein-von Neumann realization of perturbed Laplacians on bounded Lipschitz domains. Zbl 1372.35200Behrndt, Jussi; Gesztesy, Fritz; Micheler, Till; Mitrea, Marius 3 2016 Boundary triples for Schrödinger operators with singular interactions on hypersurfaces. Zbl 1353.47043Behrndt, J.; Langer, M.; Lotoreichik, V. 2 2016 Dirichlet-to-Neumann maps on bounded Lipschitz domains. Zbl 1344.35032Behrndt, J.; ter Elst, A. F. M. 21 2015 Spectral analysis of selfadjoint elliptic differential operators, Dirichlet-to-Neumann maps, and abstract Weyl functions. Zbl 1344.47018Behrndt, Jussi; Rohleder, Jonathan 12 2015 Spectral asymptotics for resolvent differences of elliptic operators with \(\delta\) and \(\delta^{'}\)-interactions on hypersurfaces. Zbl 1353.47090Behrndt, Jussi; Grubb, Gerd; Langer, Matthias; Lotoreichik, Vladimir 8 2015 The effect of finite rank perturbations on Jordan chains of linear operators. Zbl 1412.47007Behrndt, Jussi; Leben, Leslie; Martínez Pería, Francisco; Trunk, Carsten 4 2015 Schrödinger operators with \(\delta\)- and \(\delta'\)-interactions on Lipschitz surfaces and chromatic numbers of associated partitions. Zbl 1326.47050Behrndt, Jussi; Exner, Pavel; Lotoreichik, Vladimir 23 2014 Schrödinger operators with \(\delta\)-interactions supported on conical surfaces. Zbl 1297.35154Behrndt, J.; Exner, P.; Lotoreichik, V. 18 2014 Elliptic differential operators on Lipschitz domains and abstract boundary value problems. Zbl 1300.35026Behrndt, Jussi; Micheler, Till 18 2014 Estimates on the non-real eigenvalues of regular indefinite Sturm-Liouville problems. Zbl 1325.34098Behrndt, Jussi; Chen, Shaozhu; Philipp, Friedrich; Qi, Jiangang 10 2014 On finite rank perturbations of selfadjoint operators in Krein spaces and eigenvalues in spectral gaps. Zbl 1348.47009Behrndt, Jussi; Möws, Roland; Trunk, Carsten 6 2014 Antitonicity of the inverse for selfadjoint matrices, operators, and relations. Zbl 1300.47010Behrndt, Jussi; Hassi, Seppo; Wietsma, Hendrik; de Snoo, Henk 2 2014 Schrödinger operators with \(\delta\) and \(\delta^{\prime}\)-potentials supported on hypersurfaces. Zbl 1275.81027Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir 50 2013 Bounds on the non-real spectrum of differential operators with indefinite weights. Zbl 1281.47024Behrndt, Jussi; Philipp, Friedrich; Trunk, Carsten 18 2013 Spectral estimates for resolvent differences of self-adjoint elliptic operators. Zbl 1311.47059Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir 13 2013 Trace formulae and singular values of resolvent power differences of self-adjoint elliptic operators. Zbl 1296.35097Behrndt, Jussi; Langer, Matthias; Lotoreichik, Vladimir 12 2013 On the negative squares of a class of self-adjoint extensions in Krein spaces. Zbl 1275.47084Behrndt, Jussi; Luger, Annemarie; Trunk, Carsten 6 2013 Linear fractional transformations of Nevanlinna functions associated with a nonnegative operator. Zbl 1311.30033Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk; Wietsma, Rudi; Winkler, Henrik 3 2013 Spectral theory of elliptic differential operators with indefinite weights. Zbl 1400.35085Behrndt, Jussi 3 2013 An open problem: accumulation of nonreal eigenvalues of indefinite Sturm-Liouville operators. Zbl 1283.47052Behrndt, Jussi 3 2013 Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples. Zbl 1331.47067Behrndt, Jussi; Langer, Matthias 33 2012 An inverse problem of Calderón type with partial data. Zbl 1244.35164Behrndt, Jussi; Rohleder, Jonathan 19 2012 Limit properties of monotone matrix functions. Zbl 1235.26008Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk; Wietsma, Rudi 2 2012 Mini-workshop: Boundary value problems and spectral geometry. Abstracts from the mini-workshop held January 1–7, 2012. Zbl 1349.00057 1 2012 Square-integrable solutions and Weyl functions for singular canonical systems. Zbl 1232.34037Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk; Wietsma, Rudi 19 2011 Spectral points of definite type and type \(\pi \) for linear operators and relations in Krein spaces. Zbl 1220.47052Azizov, T. Ya.; Behrndt, J.; Jonas, P.; Trunk, C. 14 2011 A realization theorem for generalized Nevanlinna families. Zbl 1255.46011Behrndt, J.; Derkach, V. A.; Hassi, S.; de Snoo, H. S. V. 8 2011 Eigenvalue estimates for singular left-definite Sturm-Liouville operators. Zbl 1235.34225Behrndt, Jussi; Möws, Roland; Trunk, Carsten 5 2011 On the number of negative eigenvalues of the Laplacian on a metric graph. Zbl 1204.81076Behrndt, Jussi; Luger, Annemarie 14 2010 Dirac structures and their composition on Hilbert spaces. Zbl 1209.47016Kurula, Mikael; Zwart, Hans; van der Schaft, Arjan; Behrndt, Jussi 13 2010 Monotone convergence theorems for semi-bounded operators and forms with applications. Zbl 1200.47022Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk; Wietsma, Rudi 12 2010 Spectral analysis of singular ordinary differential operators with indefinite weights. Zbl 1197.34167Behrndt, Jussi; Philipp, Friedrich 11 2010 A remark on Schatten-von Neumann properties of resolvent differences of generalized Robin Laplacians on bounded domains. Zbl 1198.35159Behrndt, Jussi; Langer, Matthias; Lobanov, Igor; Lotoreichik, Vladimir; Popov, Igor Yu. 10 2010 Elliptic boundary value problems with \(\lambda \)-dependent boundary conditions. Zbl 1203.35086Behrndt, Jussi 9 2010 On the adjoint of a symmetric operator. Zbl 1209.47010Behrndt, Jussi; Langer, Matthias 6 2010 Finite rank perturbations, scattering matrices and inverse problems. Zbl 1192.47008Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 5 2010 Generalized \(Q\)-functions and Dirichlet-to-Neumann maps for elliptic differential operators. Zbl 1179.47041Alpay, Daniel; Behrndt, Jussi 21 2009 Compact and finite rank perturbations of closed linear operators and relations in Hilbert spaces. Zbl 1194.47016Azizov, Tomas Ya.; Behrndt, Jussi; Jonas, Peter; Trunk, Carsten 17 2009 Non-real eigenvalues of singular indefinite Sturm-Liouville operators. Zbl 1182.47036Behrndt, Jussi; Katatbeh, Qutaibeh; Trunk, Carsten 16 2009 Boundary value problems with eigenvalue depending boundary conditions. Zbl 1177.47088Behrndt, Jussi 11 2009 Boundary relations, unitary colligations, and functional models. Zbl 1186.47007Behrndt, Jussi; Hassi, Seppo; De Snoo, Henk 10 2009 On Kreĭn’s formula. Zbl 1179.47023Behrndt, Jussi; De Snoo, Henk 4 2009 On domains of powers of linear operators and finite rank perturbations. Zbl 1177.47004Azizov, Tomas Ya.; Behrndt, Jussi; Philipp, Friedrich; Trunk, Carsten 4 2009 Realization of nonstrict matrix Nevanlinna functions as Weyl functions of symmetric operators in Pontryagin spaces. Zbl 1166.47035Behrndt, Jussi 3 2009 Trace formulae for dissipative and coupled scattering systems. Zbl 1175.47008Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 2 2009 Scattering matrices and Weyl functions. Zbl 1161.47008Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 37 2008 On finite rank perturbations of definitizable operators. Zbl 1127.47034Azizov, Tomas Ya.; Behrndt, Jussi; Trunk, Carsten 8 2008 Functional models for Nevanlinna families. Zbl 1183.47004Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk 8 2008 Accumulation of complex eigenvalues of indefinite Sturm-Liouville operators. Zbl 1140.81375Behrndt, Jussi; Katatbeh, Qutaibeh; Trunk, Carsten 5 2008 On Eisenbud’s and Wigner’s \(R\)-matrix: A general approach. Zbl 1158.34052Behrndt, Jussi; Neidhardt, Hagen; Racec, Elena R.; Racec, Paul N.; Wulf, Ulrich 1 2008 Boundary value problems for elliptic partial differential operators on bounded domains. Zbl 1132.47038Behrndt, Jussi; Langer, Matthias 59 2007 On the negative squares of indefinite Sturm–Liouville operators. Zbl 1123.47033Behrndt, Jussi; Trunk, Carsten 19 2007 On the spectral theory of singular indefinite Sturm-Liouville operators. Zbl 1126.34052Behrndt, Jussi 14 2007 Scattering theory for open quantum systems with finite rank coupling. Zbl 1144.81480Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen 14 2007 An analytic characterization of the eigenvalues of self-adjoint extensions. Zbl 1114.47037Behrndt, Jussi; Luger, Annemarie 8 2007 Finite rank perturbations of locally definitizable self-adjoint operators in Krein spaces. Zbl 1164.47042Behrndt, Jussi 8 2007 Generalized resolvents of a class of symmetric operators in Krein spaces. Zbl 1138.47030Behrndt, Jussi; Luger, Annemarie; Trunk, Carsten 4 2007 Boundary relations and generalized resolvents of symmetric operators in Krein spaces. Zbl 1160.47034Behrndt, Jussi; Kreusler, Hans-Christian 2 2007 Boundary value problems with local generalized Nevanlinna functions in the boundary condition. Zbl 1121.47029Behrndt, Jussi; Jonas, Peter 12 2006 Sturm–Liouville operators with indefinite weight functions and eigenvalue depending boundary conditions. Zbl 1099.34018Behrndt, Jussi; Trunk, Carsten 10 2006 Properties of the spectrum of type \(\pi_+\) and type \(\pi_-\) of self-adjoint operators in Krein spaces. Zbl 1118.47028Behrndt, Jussi; Philipp, Friedrich; Trunk, Carsten 4 2006 A class of abstract boundary value problems with locally definitizable functions in the boundary condition. Zbl 1127.47035Behrndt, Jussi 2 2006 On compact perturbations of locally definitizable selfadjoint relations in Krein spaces. Zbl 1083.47030Behrndt, Jussi; Jonas, Peter 8 2005 On generalized resolvents of symmetric operators of defect one with finitely many negative squares. Zbl 1107.47025Behrndt, Jussi; Trunk, Carsten 1 2005 all cited Publications top 5 cited Publications all top 5 Cited by 394 Authors 62 Behrndt, Jussi 29 Lotoreichik, Vladimir 20 Exner, Pavel 20 Trunk, Carsten 17 Gesztesy, Fritz 16 Malamud, Mark M. 14 Pankrashkin, Konstantin 12 Hassi, Seppo 12 Posilicano, Andrea 11 de Snoo, Hendrik S. V. 10 Neidhardt, Hagen 10 Ourmiéres-Bonafos, Thomas 10 Popov, Igor’ Yur’evich 10 Rohleder, Jonathan 10 ter Elst, Antonius Frederik Maria 9 Langer, Matthias 9 Mantile, Andrea 8 Colombo, Fabrizio 8 Holzmann, Markus 8 Philipp, Friedrich 8 Shi, Yuming 7 Derkach, Vladimir Alexandrovich 7 Grubb, Gerd 7 Mogilevskii, Vadim 6 Kurula, Mikael 6 Mitrea, Marius 6 Nichols, Roger 6 Qi, Jiangang 5 Azizov, Tomas Ya. 5 Kerner, Joachim 5 Krejčiřík, David 5 Naboko, Serguei N. 5 Weder, Ricardo A. 5 Winkler, Henrik 5 Wood, Ian Geoffrey 4 Cox, Graham 4 Dauge, Monique 4 Dijksma, Aad 4 Gao, Chenghua 4 Khrabustovskyi, Andrii 4 Kostenko, Aleksey S. 4 Latushkin, Yuri 4 Liu, Yan 4 Luger, Annemarie 4 Mas, Albert 4 Möws, Roland 4 Pizzichillo, Fabio 4 Sabadini, Irene 4 Sini, Mourad 3 Aharonov, Yakir 3 Albeverio, Sergio A. 3 Alpay, Daniel Aron 3 Arendt, Wolfgang 3 Ball, Joseph Anthony 3 Boitsev, A. A. 3 Brasche, Johannes Friedemann 3 Brown, B. Malcolm 3 Cacciapuoti, Claudio 3 Chen, Shaozhu 3 Cuenin, Jean-Claude 3 Ćurgus, Branko 3 Denk, Robert 3 Granovskyi, Yaroslav I. 3 Jex, Michal 3 Jones, Christopher K. R. T. 3 Jørgensen, Palle E. T. 3 Kennedy, James Bernard 3 Kirsten, Klaus 3 Kondej, Sylwia 3 Kuzhel, Sergei 3 Lampart, Jonas 3 Langer, Heinz 3 Martínez Pería, Francisco D. 3 Rabinovich, Vladimir Samuilovich 3 Sakhnovich, Alexander L. 3 Schlosser, Peter 3 Silva, Luis O. 3 Staffans, Olof Johan 3 Stanfill, Jonathan 3 Struppa, Daniele Carlo 3 Sukhtaiev, Selim 3 Sukhtayev, Alim 3 Sun, Fu 3 Wietsma, Hendrik Luit 3 Wietsma, Rudi 3 Xie, Bing 3 Xu, Guixin 3 Zemánek, Petr 3 Zwart, Hans J. 2 Alazard, Daniel 2 Arlins’kyĭ, Yuriĭ Moĭseĭovych 2 Ashbaugh, Mark S. 2 Baidiuk, Dmytro V. 2 Ben Amor, Ali 2 Benharrat, Mohammed 2 Blinova, Irina V. 2 Bolte, Jens 2 Brugnoli, Andrea 2 Bruk, Vladislav Moiseevich 2 Bruneau, Vincent ...and 294 more Authors all top 5 Cited in 119 Serials 29 Journal of Mathematical Analysis and Applications 27 Journal of Differential Equations 23 Integral Equations and Operator Theory 21 Journal of Functional Analysis 20 Complex Analysis and Operator Theory 19 Journal of Mathematical Physics 14 Mathematische Nachrichten 11 Linear Algebra and its Applications 11 Annales Henri Poincaré 11 Journal of Spectral Theory 7 Letters in Mathematical Physics 7 Advances in Mathematics 7 Journal of Evolution Equations 6 Applicable Analysis 6 Journal d’Analyse Mathématique 6 Reviews in Mathematical Physics 6 Proceedings of the American Mathematical Society 6 Russian Journal of Mathematical Physics 6 Opuscula Mathematica 5 Communications in Mathematical Physics 5 Complex Variables and Elliptic Equations 5 Operators and Matrices 4 Mathematical Notes 4 Transactions of the American Mathematical Society 3 Linear and Multilinear Algebra 3 Physics Letters. A 3 Reports on Mathematical Physics 3 Mathematische Annalen 3 Results in Mathematics 3 The Journal of Geometric Analysis 3 Communications in Partial Differential Equations 3 Journal de Mathématiques Pures et Appliquées. Neuvième Série 3 Journal of Mathematical Sciences (New York) 3 Mathematical Physics, Analysis and Geometry 3 Journal of Physics A: Mathematical and Theoretical 3 Discrete and Continuous Dynamical Systems. Series S 3 Analysis and Mathematical Physics 2 Inverse Problems 2 Journal of Computational Physics 2 Journal of Geometry and Physics 2 Annali di Matematica Pura ed Applicata. Serie Quarta 2 Applied Mathematics and Computation 2 Functional Analysis and its Applications 2 Mathematica Slovaca 2 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 2 Applied Mathematical Modelling 2 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 2 Expositiones Mathematicae 2 Potential Analysis 2 Communications on Pure and Applied Analysis 2 Banach Journal of Mathematical Analysis 2 Annals of Functional Analysis 2 Evolution Equations and Control Theory 2 Quantum Studies: Mathematics and Foundations 2 Advances in Operator Theory 1 Analysis Mathematica 1 Israel Journal of Mathematics 1 Rocky Mountain Journal of Mathematics 1 Studia Mathematica 1 Acta Scientiarum Mathematicarum 1 Archiv der Mathematik 1 Inventiones Mathematicae 1 Journal of Computational and Applied Mathematics 1 The Journal of the Indian Mathematical Society. New Series 1 Journal of Optimization Theory and Applications 1 Memoirs of the American Mathematical Society 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Quaestiones Mathematicae 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Semigroup Forum 1 Zeitschrift für Analysis und ihre Anwendungen 1 Acta Mathematica Hungarica 1 Acta Applicandae Mathematicae 1 Bulletin of the Iranian Mathematical Society 1 Physica D 1 Applied Mathematics Letters 1 Asymptotic Analysis 1 SIAM Journal on Matrix Analysis and Applications 1 M\(^3\)AS. Mathematical Models & Methods in Applied Sciences 1 Indagationes Mathematicae. New Series 1 Turkish Journal of Mathematics 1 Filomat 1 Journal of Convex Analysis 1 Journal of Difference Equations and Applications 1 Sbornik: Mathematics 1 The Journal of Fourier Analysis and Applications 1 Doklady Mathematics 1 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 1 Abstract and Applied Analysis 1 Positivity 1 Matematychni Studiï 1 Lobachevskii Journal of Mathematics 1 Applied Mathematics E-Notes 1 Milan Journal of Mathematics 1 Central European Journal of Mathematics 1 Multiscale Modeling & Simulation 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V 1 Journal of Function Spaces and Applications 1 International Journal of Geometric Methods in Modern Physics 1 Mediterranean Journal of Mathematics ...and 19 more Serials all top 5 Cited in 40 Fields 268 Operator theory (47-XX) 171 Partial differential equations (35-XX) 115 Quantum theory (81-XX) 94 Ordinary differential equations (34-XX) 48 Functional analysis (46-XX) 18 Global analysis, analysis on manifolds (58-XX) 17 Functions of a complex variable (30-XX) 14 Difference and functional equations (39-XX) 13 Statistical mechanics, structure of matter (82-XX) 11 Systems theory; control (93-XX) 9 Optics, electromagnetic theory (78-XX) 8 Linear and multilinear algebra; matrix theory (15-XX) 8 Dynamical systems and ergodic theory (37-XX) 7 Several complex variables and analytic spaces (32-XX) 7 Harmonic analysis on Euclidean spaces (42-XX) 7 Numerical analysis (65-XX) 7 Mechanics of deformable solids (74-XX) 5 Combinatorics (05-XX) 5 Real functions (26-XX) 5 Differential geometry (53-XX) 4 Integral equations (45-XX) 4 Mechanics of particles and systems (70-XX) 4 Information and communication theory, circuits (94-XX) 3 Algebraic geometry (14-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Fluid mechanics (76-XX) 2 Potential theory (31-XX) 2 Special functions (33-XX) 2 Abstract harmonic analysis (43-XX) 2 Manifolds and cell complexes (57-XX) 2 Probability theory and stochastic processes (60-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Group theory and generalizations (20-XX) 1 Topological groups, Lie groups (22-XX) 1 Measure and integration (28-XX) 1 Integral transforms, operational calculus (44-XX) 1 Statistics (62-XX) 1 Computer science (68-XX) 1 Relativity and gravitational theory (83-XX) Citations by Year