| Publication | Date of Publication | Type |
|---|
| On the relative category in the brake orbits problem | 2023-05-19 | Paper |
| Alleviating the cosmological constant problem from particle production | 2023-04-27 | Paper |
| Multiple orthogonal geodesic chords and a proof of Seifert's conjecture on brake orbits | 2020-02-22 | Paper |
| Stability and distributed control of degenerate diffusion equations | 2019-08-16 | Paper |
| Multiple orthogonal geodesic chords in nonconvex Riemannian disks using obstacles | 2018-10-26 | Paper |
| Periodic Trajectories of Dynamical Systems Having a One-Parameter Group of Symmetries | 2018-04-18 | Paper |
| A finite dimensional approach to light rays in general relativity | 2018-02-13 | Paper |
| Application of ODE techniques to spherical gravitational collapse: Methods and results | 2016-05-12 | Paper |
| Functions on the sphere with critical points in pairs and orthogonal geodesic chords | 2016-04-08 | Paper |
| Negative potentials and collapsing universes II | 2015-11-27 | Paper |
| Morse theory for geodesics in singular conformal metrics | 2015-11-20 | Paper |
| Multiple brake orbits in \(m\)-dimensional disks | 2015-11-09 | Paper |
| On the normal exponential map in singular conformal metrics | 2015-09-30 | Paper |
| Multiplicity results for orthogonal geodesic chords and applications | 2015-06-15 | Paper |
| On the adoption of a fractional-order sliding surface for the robust control of integer-order LTI plants | 2015-04-28 | Paper |
| Negative potentials and collapsing universes | 2015-03-19 | Paper |
| Qualitative analysis of collapsing isotropic fluid spacetimes | 2014-04-08 | Paper |
| Examples with minimal number of brake orbits and homoclinics in annular potential regions | 2014-03-25 | Paper |
| Design of robust fault detection filters for MIMO uncertain plants with quantised information | 2014-01-30 | Paper |
| The Geometry of Collapsing Isotropic Fluids | 2013-11-11 | Paper |
| Collapse of spherical charged anisotropic fluid spacetimes | 2013-02-18 | Paper |
| Potential wells with a unique brake orbit. Counterexamples to a conjecture by H. Seifert | 2012-03-23 | Paper |
| Multiple brake orbits and homoclinics in Riemannian manifolds | 2011-10-04 | Paper |
| Functional regularity properties for light rays in general relativity | 2011-01-24 | Paper |
| Genericity of nondegenerate geodesics with general boundary conditions | 2010-10-01 | Paper |
| Genericity of nondegeneracy for light rays in stationary spacetimes | 2010-09-22 | Paper |
| Addendum to: Genericity of nondegeneracy for light rays in stationary spacetimes | 2010-07-02 | Paper |
| Existence of orthogonal geodesic chords on Riemannian manifolds with concave boundary and homeomorphic to the \(N\)-dimensional disk | 2010-06-11 | Paper |
| Energy exchange for homogeneous and isotropic universes with a scalar field coupled to matter | 2010-06-07 | Paper |
| Gravitational collapse of homogeneous perfect fluids in higher order gravity theories | 2009-12-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3645993 | 2009-11-18 | Paper |
| The dynamical behavior of homogeneous scalar-field spacetimes with general self-interaction potentials | 2009-04-22 | Paper |
| Singularity formation in general relativistic dynamics of homogeneous scalar fields | 2009-04-03 | Paper |
| Genericity of black hole formation in the gravitational collapse of homogeneous self-interacting scalar fields | 2009-01-23 | Paper |
| The dimensional dependence of naked singularity formation in spherical gravitational collapse | 2008-08-01 | Paper |
| Generalized symplectic Cayley transforms and a higher order formula for the Conley-Zehnder index of symplectic paths | 2008-06-10 | Paper |
| A second-order variational principle for the Lorentz force equation: conjugacy and bifurcation | 2008-02-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3594025 | 2007-08-07 | Paper |
| Global visibility of naked singularities | 2007-05-16 | Paper |
| Variational approach to Robertson–Walker spacetimes with homogeneous scalar fields | 2007-05-16 | Paper |
| Dynamics of homogeneous scalar fields with general self-interaction potentials: cosmological and gravitational collapse models | 2007-03-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3418307 | 2007-02-02 | Paper |
| On the multiplicity of brake orbits and homoclinics in Riemannian manifolds | 2006-09-28 | Paper |
| Orthogonal geodesic chords, brake orbits and homoclinic orbits in Riemannian manifolds | 2006-09-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5479810 | 2006-07-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5472628 | 2006-06-12 | Paper |
| A variational approach to homogeneous scalar fields in General Relativity | 2006-03-29 | Paper |
| Gravitational collapse of homogeneous scalar fields | 2005-08-03 | Paper |
| Optimal control on Riemannian manifolds by interpolation | 2005-02-08 | Paper |
| Naked singularities formation in the gravitational collapse of barotropic spherical fluids | 2004-08-19 | Paper |
| MINIMAL GEODESICS ON MANIFOLDS WITH DISCONTINUOUS METRICS | 2004-06-10 | Paper |
| Gravitational lensing in general relativity via bifurcation theory | 2004-03-29 | Paper |
| Computation of the Maslov index and the spectral flow via partial signatures. | 2004-03-15 | Paper |
| Naked singularities formation in perfect fluids collapse | 2004-03-07 | Paper |
| Morse theory for normal geodesics in sub-Riemannian manifolds with codimension one distrib\-utions | 2003-10-27 | Paper |
| Global variational methods on smooth nonholonomic constraints | 2003-09-07 | Paper |
| Naked singularities in dust collapse as an existence problem for ODE at a singular point. | 2003-08-25 | Paper |
| New solutions of Einstein equations in spherical symmetry: The cosmic censor to the court | 2003-08-17 | Paper |
| Anisotropic generalizations of de Sitter spacetime | 2003-07-10 | Paper |
| On the Maslov index of symplectic paths that are not transversal to the Maslov cycle. Semi-Riemannian index theorems in the degenerate case | 2003-06-11 | Paper |
| An analytical theory for Riemannian cubic polynomials | 2003-02-26 | Paper |
| New mathematical framework for spherical gravitational collapse | 2003-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4786614 | 2002-12-17 | Paper |
| Global variational methods on a class of nonsmooth nonholonomic constraints | 2002-09-12 | Paper |
| Existence, Multiplicity, and Regularity for sub-Riemannian Geodesics by Variational Methods | 2002-06-23 | Paper |
| Sufficient condition for black-hole formation in spherical gravitational collapse | 2002-06-05 | Paper |
| The brachistochrone problem with frictional forces | 2000-09-25 | Paper |
