Boundary value problems for elliptic partial differential operators on bounded domains J Behrndt, M Langer Journal of Functional Analysis 243 (2), 536-565, 2007 | 172 | 2007 |
Schrödinger operators with δ and δ′-potentials supported on hypersurfaces J Behrndt, M Langer, V Lotoreichik Annales Henri Poincaré 14 (2), 385-423, 2013 | 118 | 2013 |
Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples J Behrndt, M Langer Operator Methods for Boundary Value Problems, London Math. Soc., Lecture …, 2012 | 78 | 2012 |
Variational principles for eigenvalues of self-adjoint operator functions D Eschwé, M Langer Integral Equations and Operator Theory 49 (3), 287-321, 2004 | 57 | 2004 |
Path Laplacian operators and superdiffusive processes on graphs. I. One-dimensional case E Estrada, E Hameed, N Hatano, M Langer Linear Algebra and its Applications 523, 307-334, 2017 | 51 | 2017 |
Spectral estimates for resolvent differences of self-adjoint elliptic operators J Behrndt, M Langer, V Lotoreichik Integral Equations and Operator Theory 77 (1), 1-37, 2013 | 36 | 2013 |
Variational principles and eigenvalue estimates for unbounded block operator matrices and applications M Kraus, M Langer, C Tretter Journal of Computational and Applied Mathematics 171 (1), 311-334, 2004 | 35 | 2004 |
Path Laplacian operators and superdiffusive processes on graphs. II. Two-dimensional lattice E Estrada, E Hameed, M Langer, A Puchalska Linear Algebra and its Applications 555, 373-397, 2018 | 31 | 2018 |
Variational principles for eigenvalues of block operator matrices H Langer, M Langer, C Tretter Indiana University mathematics journal 51 (6), 1427-1459, 2002 | 30 | 2002 |
A Spectral Theory for a λ-Rational Sturm–Liouville Problem V Adamjan, H Langer, M Langer Journal of Differential Equations 171 (2), 315-345, 2001 | 27 | 2001 |
A remark on Schatten–von Neumann properties of resolvent differences of generalized Robin Laplacians on bounded domains J Behrndt, M Langer, I Lobanov, V Lotoreichik, IY Popov Journal of Mathematical Analysis and Applications 371 (2), 750-758, 2010 | 25 | 2010 |
Discrete fragmentation with mass loss L Smith, W Lamb, M Langer, A McBride Journal of Evolution Equations 12 (1), 181-201, 2012 | 24 | 2012 |
Boundary triples for Schrödinger operators with singular interactions on hypersurfaces J Behrndt, M Langer, V Lotoreichik Nanosystems: Physics, Chemistry, Mathematics 7 (2), 290-302, 2016 | 21 | 2016 |
Strong fragmentation and coagulation with power-law rates J Banasiak, W Lamb, M Langer Journal of Engineering Mathematics 82 (1), 199-215, 2013 | 21 | 2013 |
Trace formulae and singular values of resolvent power differences of self-adjoint elliptic operators J Behrndt, M Langer, V Lotoreichik Journal of the London Mathematical Society 88 (2), 319-337, 2013 | 21 | 2013 |
Continuations of Hermitian indefinite functions and corresponding canonical systems: an example H Langer, M Langer, Z Sasvári Methods of Functional Analysis and Topology 10 (1), 39-53, 2004 | 21 | 2004 |
A local inverse spectral theorem for Hamiltonian systems M Langer, H Woracek Inverse Problems 27 (5), 055002, 2011 | 20 | 2011 |
A characterization of intermediate Weyl coefficients M Langer, H Woracek Monatshefte für Mathematik 135, 137-155, 2002 | 19 | 2002 |
Eigenvalue enclosures and exclosures for non-self-adjoint problems in hydrodynamics B Malcolm Brown, M Langer, M Marletta, C Tretter, M Wagenhofer LMS Journal of Computation and Mathematics 13, 65-81, 2010 | 18 | 2010 |
Spectral asymptotics for resolvent differences of elliptic operators with δ and δ'-interactions on hypersurfaces J Behrndt, G Grubb, M Langer, V Lotoreichik Journal of Spectral Theory 5 (4), 697-729, 2015 | 17 | 2015 |