| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q3179135 | 2016-12-20 | Paper |
| Dependence of eigenvalues of certain closely discrete Sturm-Liouville problems | 2016-05-19 | Paper |
| Dependence of Discrete Sturm-Liouville Eigenvalues on Problems | 2015-05-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5420380 | 2014-06-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5413477 | 2014-04-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4900781 | 2013-01-24 | Paper |
| Dissipative non-self-adjoint Sturm-Liouville operators and completeness of their eigenfunctions | 2012-08-01 | Paper |
| Left-definite boundary conditions of Sturm-Liouville problems when the interval shrinks to a point | 2012-01-27 | Paper |
| Limit point, strong limit point and Dirichlet conditions for Hamiltonian differential systems | 2011-04-27 | Paper |
| Partial differential equations possessing Frobenius integrable decompositions | 2011-01-20 | Paper |
| Descriptions of spectra of infinite dimensional Hamiltonian operators and their applications | 2010-08-16 | Paper |
| The index problem for eigenvalues for coupled boundary conditions and Fulton's conjecture | 2009-06-30 | Paper |
| On the boundary conditions in self-adjoint multi-interval Sturm-Liouville problems | 2009-06-04 | Paper |
| Spectral theory of Sturm-Liouville difference operators | 2008-12-12 | Paper |
| Computing the indices of Sturm-Liouville eigenvalues for coupled boundary conditions (the EIGENIND-SLP codes) | 2008-08-22 | Paper |
| Limits of Sturm–Liouville eigenvalues when the interval shrinks to an end point | 2008-08-15 | Paper |
| Construction of constant mean curvature \(n\)-noids from holomorphic potentials | 2008-03-11 | Paper |
| Unitarization of Loop Group Representations of Fundamental Groups | 2008-02-05 | Paper |
| The completeness of eigenfunctions of perturbation connected with Sturm-Liouville operators | 2007-11-27 | Paper |
| Relations among eigenvalues of Sturm-Liouville problems with different types of leading coefficient functions | 2007-09-26 | Paper |
| Geometric aspects of Sturm-Liouville problems. III. Level surfaces of the \(n\)th eigenvalue | 2007-09-18 | Paper |
| On Miura transformations among nonlinear partial differential equations | 2007-05-16 | Paper |
| Time-space integrable decompositions of nonlinear evolution equations | 2006-12-07 | Paper |
| Equality of multiplicities of a Sturm--Liouville eigenvalue | 2005-08-01 | Paper |
| Geometric aspects of higher-order eigenvalue problems. I: Structures on spaces of boundary conditions | 2005-05-18 | Paper |
| Regular approximations of singular Sturm-Liouville problems with limit-circle endpoints | 2004-11-26 | Paper |
| Singular left-definite Sturm--Liouville problems | 2004-11-18 | Paper |
| Multiplicity of Sturm--Liouville eigenvalues | 2004-08-10 | Paper |
| Indefinite Sturm–Liouville problems | 2004-06-22 | Paper |
| Sturm-Liouville Problems Whose Leading Coefficient Function Changes Sign | 2004-05-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4788895 | 2003-12-06 | Paper |
| Geometric aspects of Sturm-Liouville problems II. Space of boundary conditions for left-definiteness | 2003-09-28 | Paper |
| Left-definite Sturm-Liouville problems | 2002-12-17 | Paper |
| Sturm-Liouville problems with finite spectrum | 2002-12-10 | Paper |
| On blow-up of solution for Euler equations | 2002-03-20 | Paper |
| The PDE describing constant mean curvature surfaces | 2001-12-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2705779 | 2001-03-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4504451 | 2001-03-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4526436 | 2001-01-16 | Paper |
| Normalized potentials of minimal surfaces in spheres | 2000-11-20 | Paper |
| A new characterization of normalized potentials in dimension two | 2000-10-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4940921 | 2000-08-14 | Paper |
| Dependence of the \(n\)th Sturm-Liouville eigenvalue on the problem | 2000-03-06 | Paper |
| Inequalities among eigenvalues of Sturm-Liouville problems | 1999-10-04 | Paper |
| A simple way for determining the normalized potentials for harmonic maps | 1999-06-13 | Paper |
| Dependence of Eigenvalues on the Problem | 1998-05-21 | Paper |
| On the dressing action of loop groups on constant mean curvature surfaces | 1998-04-13 | Paper |
| On the meromorphic potential for a harmonic surface in a \(k\)-symmetric space | 1997-07-16 | Paper |
| Discretizing constant curvature surfaces via loop group factorizations: The discrete sine- and sinh-Gordon equations | 1997-02-24 | Paper |
| On Bäcklund transformations for nonlinear partial differential equations | 1996-01-04 | Paper |
| Weingarten surfaces and nonlinear partial differential equations | 1995-02-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3137136 | 1994-10-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4695250 | 1993-06-17 | Paper |
| Non-linear partial differential equations via vector fields on homogeneous Banach manifolds | 1992-06-25 | Paper |
| Symmetric properties of eigenfunctions of the Laplace operator on compact Riemannian manifolds | 1991-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3197028 | 1991-01-01 | Paper |
