M. Langer

发表

Time-dependent Simulations of Multidimensional Quantum Waveguides Using a Time-Splitting Spectral method

H. Woracek, J. Mennemann, A. Jüngel, 2009 .

A local inverse spectral theorem for Hamiltonian systems

H. Woracek, M. Langer, 2011 .

Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples

M. Langer, J. Behrndt, 2012 .

The Exponential Type of the Fundamental Solution of an Indefinite Hamiltonian System

H. Woracek, M. Langer, 2013 .

Eigenvalue enclosures and exclosures for non-self-adjoint problems in hydrodynamics

Marco Marletta, Christiane Tretter, Matthias Langer, 2010, LMS J. Comput. Math..

Path Laplacian operators and superdiffusive processes on infinite graphs

Ernesto Estrada, Naomichi Hatano, Matthias Langer, 2016 .

Spectrum of $J$-frame operators

J. Giribet, A. Maestripieri, M. Langer, 2017, 1703.03665.

The HELP inequality on trees

K. Schmidt, B. M. Brown, M. Langer, 2008 .

A general HELP inequality connected with symmetric operators

M. Langer, 2006, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

Discrete fragmentation with mass loss

A. Mcbride, M. Langer, W. Lamb, 2011, Journal of Evolution Equations.

Bessel-Type Operators with an Inner Singularity

H. Langer, B. M. Brown, M. Langer, 2012, Integral Equations and Operator Theory.

Spectral Estimates for Resolvent Differences of Self-Adjoint Elliptic Operators

M. Langer, J. Behrndt, V. Lotoreichik, 2013, Integral Equations and Operator Theory.

Schrödinger Operators with δ and δ′-Potentials Supported on Hypersurfaces

M. Langer, J. Behrndt, V. Lotoreichik, 2012, Annales Henri Poincaré.

Estimates for the Weyl coefficient of a two-dimensional canonical system

H. Woracek, M. Langer, R. Pruckner, 2021, 2106.07391.

Stability of N-extremal measures

H. Woracek, M. Langer, 2015 .

FEM-BEM Couplings without Stabilization

H. Woracek, M. Langer, 2012 .

Spectral Estimates for Resolvent Differences of Self-Adjoint Elliptic Operators

M. Langer, J. Behrndt, V. Lotoreichik, 2010, 1012.4596.

Path Laplacian operators and superdiffusive processes on graphs. II. Two-dimensional lattice

Ernesto Estrada, Matthias Langer, Ehsan M. Hameed, 2018, Linear Algebra and its Applications.

Path Laplacian operators and superdiffusive processes on graphs. I. one-dimensional case

Ernesto Estrada, Naomichi Hatano, Matthias Langer, 2016, 1604.00555.

Closed-form solution of a thermocapillary free-film problem due to Pukhnachev

M. Langer, Stephen K. Wilson, B. Duffy, 2015, European Journal of Applied Mathematics.

Kickback in nematic liquid crystals

M. Langer, M. Grinfeld, N. Mottram, 2012 .

Distributional representations of Nκ(∞) ‐functions

H. Woracek, M. Langer, 2015 .

Variational principles and eigenvalue estimates for unbounded block operator matrices and applications

C. Tretter, M. Langer, Margarita Kraus, 2004 .

Spectral properties of unbounded J-self-adjoint block operator matrices

M. Langer, Michael Strauß, 2014, 1410.1213.

Variational principles for eigenvalues of block operator matrices

H. Langer, C. Tretter, M. Langer, 2002 .

ASC Report No . 43 / 2009 A Local Inverse Spectral Theorem for Hamilton Systems

H. Woracek, M. Langer, 2009 .

Direct and Inverse Spectral Theorems for a Class of Canonical Systems with two Singular Endpoints . Part II : Applications to Sturm – Liouville Equations

H. Woracek, M. Langer, 2017 .

Canonical systems whose Weyl coefficients have regularly varying asymptotics

H. Woracek, M. Langer, R. Pruckner, 2022, 2201.01522.

Canonical systems whose Weyl coefficients have dominating real part

H. Woracek, M. Langer, R. Pruckner, 2021, 2108.10162.

Estimates for the Weyl coefficient of a two-dimensional canonical system

H. Woracek, M. Langer, R. Pruckner, 2021, ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE.

Schrödinger Operators with δ and δ′-Potentials Supported on Hypersurfaces

M. Langer, J. Behrndt, V. Lotoreichik, 2012, 1210.4709.

Trace formulae and singular values of resolvent power differences of self‐adjoint elliptic operators

Jussi Behrndt, Matthias Langer, Vladimir Lotoreichik, 2013, J. Lond. Math. Soc..

Behrndt, Jussi and Langer, Matthias and Lotoreichik, Vladimir (2013) Trace formulae and singular values of resolvent power differences

M. Langer, V. Lotoreichik, 2018 .

On the adjoint of a symmetric operator

M. Langer, J. Behrndt, 2010 .

Direct and inverse spectral theorems for a class of canonical systems with two singular endpoints

H. Woracek, M. Langer, 2015, 1510.02635.

Indefinite Hamiltonian systems whose Titchmarsh–Weyl coefficients have no finite generalized poles of non-positive type

H. Woracek, M. Langer, 2013 .

Direct and Inverse Spectral Theorems for a Class of Canonical Systems with two Singular Endpoints . Part I : General Theory

H. Woracek, M. Langer, 2017 .

Spectral enclosures for non-self-adjoint extensions of symmetric operators

M. Langer, J. Behrndt, V. Lotoreichik, 2017, Journal of Functional Analysis.

A function space model for canonical systems with an inner singularity

H. Woracek, M. Langer, 2011, Acta Scientiarum Mathematicarum.

Quasi boundary triples and semi-bounded self-adjoint extensions

M. Langer, J. Behrndt, V. Lotoreichik, 2015, Proceedings of the Royal Society of Edinburgh: Section A Mathematics.

Boundary value problems for elliptic partial differential operators on bounded domains

M. Langer, J. Behrndt, 2007 .

Discrete fragmentation equations with time-dependent coefficients

M. Langer, W. Lamb, Lyndsay Kerr, 2022, Discrete and Continuous Dynamical Systems - S.

A remark on Schatten-von Neumann properties of resolvent differences of generalized Robin Laplacians on bounded domains

M. Langer, I. Popov, J. Behrndt, 2009, 0911.2443.

The radial hedgehog solution in the Landau–de Gennes theory: Effects of the bulk potentials

M. Langer, A. Majumdar, Yucen Han, 2023, Physica D: Nonlinear Phenomena.

Spectral asymptotics for resolvent differences of elliptic operators with $\delta$ and $\delta^\prime$-interactions on hypersurfaces

G. Grubb, M. Langer, J. Behrndt, 2014, 1404.2791.

Behrndt, Jussi and Grubb, Gerd and Langer, Matthias and Lotoreichik, Vladimir (2015) Spectral asymptotics for resolvent differences of elliptic operators

M. Langer, V. Lotoreichik, 2018 .

Behrndt, Jussi and Langer, Matthias and Lotoreichik, Vladimir and Rohleder, Jonathan (2018) Spectral enclosures for non-self-adjoint

M. Langer, J. Behrndt, V. Lotoreichik, 2018 .

Strong fragmentation and coagulation with power-law rates

M. Langer, J. Banasiak, W. Lamb, 2013 .

Trace formulae for Schrödinger operators with singular interactions

M. Langer, J. Behrndt, V. Lotoreichik, 2015, 1512.06551.

Eigenvalue bounds for the singular Sturm–Liouville problem with a complex potential

Marco Marletta, Brian Malcolm Brown, Christiane Tretter, 2003 .

Dependence of the Weyl coefficient on singular interface conditions

H. Woracek, M. Langer, 2009, Proceedings of the Edinburgh Mathematical Society.

Giribet, Juan and Langer, Matthias and Leben, Leslie and Maestripieri, Alejandra and Martinez Peria, Francisco and Trunk,

J. Giribet, A. Maestripieri, M. Langer, 2018 .

Spectral enclosures for a class of block operator matrices

F. Philipp, J. Giribet, M. Langer, 2019, Journal of Functional Analysis.

The Virozub–Matsaev Condition and Spectrum of Definite Type for Self-adjoint Operator Functions

H. Langer, C. Tretter, M. Langer, 2008 .

Spectrum of definite type of self-adjoint operators in Krein spaces

H. Langer, C. Tretter, M. Langer, 2005 .

A spectral theory for a λ-rational Sturm-Liouville problem

Matthias Langer, Heinz Langer, V. Adamjan, 2001 .