Othmar Koch
Orcid: 0000-0002-1956-221X
According to our database1,
Othmar Koch
authored at least 46 papers
between 2001 and 2023.
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Bibliography
2023
2021
CoRR, 2021
2019
Non-satisfiability of a positivity condition for commutator-free exponential integrators of order higher than four.
Numerische Mathematik, 2019
Symmetrized local error estimators for time-reversible one-step methods in nonlinear evolution equations.
J. Comput. Appl. Math., 2019
Practical splitting methods for the adaptive integration of nonlinear evolution equations. Part II: Comparisons of local error estimation and step-selection strategies for nonlinear Schrödinger and wave equations.
Comput. Phys. Commun., 2019
Non-existence of generalized splitting methods with positive coefficients of order higher than four.
Appl. Math. Lett., 2019
Time adaptive Zassenhaus splittings for the Schrödinger equation in the semiclassical regime.
Appl. Math. Comput., 2019
Proceedings of the Large-Scale Scientific Computing - 12th International Conference, 2019
An Algorithm for Computing Coefficients of Words in Expressions Involving Exponentials and Its Application to the Construction of Exponential Integrators.
Proceedings of the Computer Algebra in Scientific Computing - 21st International Workshop, 2019
2018
Appl. Math. Lett., 2018
2017
Adaptive high-order splitting methods for systems of nonlinear evolution equations with periodic boundary conditions.
Numer. Algorithms, 2017
2016
Adaptive splitting methods for nonlinear Schrödinger equations in the semiclassical regime.
Numer. Algorithms, 2016
Symbolic Manipulation of Flows of Nonlinear Evolution Equations, with Application in the Analysis of Split-Step Time Integrators.
Proceedings of the Computer Algebra in Scientific Computing - 18th International Workshop, 2016
Proceedings of the Computer Algebra in Scientific Computing - 18th International Workshop, 2016
2015
Defect-based local error estimators for high-order splitting methods involving three linear operators.
Numer. Algorithms, 2015
Defect-based local error estimators for splitting methods, with application to Schrödinger equations, Part III: The nonlinear case.
J. Comput. Appl. Math., 2015
2014
Convergence analysis of high-order time-splitting pseudo-spectral methods for rotational Gross-Pitaevskii equations.
Numerische Mathematik, 2014
Numer. Algorithms, 2014
J. Comput. Appl. Math., 2014
Defect-based local error estimators for splitting methods, with application to Schrödinger equations, Part II. Higher-order methods for linear problems.
J. Comput. Appl. Math., 2014
Appl. Math. Comput., 2014
2013
Convergence of collocation schemes for boundary value problems in nonlinear index 1 DAEs with a singular point.
Math. Comput., 2013
2012
Total-variation-diminishing implicit-explicit Runge-Kutta methods for the simulation of double-diffusive convection in astrophysics.
J. Comput. Phys., 2012
Defect-based local error estimators for splitting methods, with application to Schrödinger equations, Part I: The linear case.
J. Comput. Appl. Math., 2012
2010
Math. Comput., 2010
Iterative diagonalization in augmented plane wave based methods in electronic structure calculations.
J. Comput. Phys., 2010
Numerical solution of singular ODE eigenvalue problems in electronic structure computations.
Comput. Phys. Commun., 2010
2007
J. Sci. Comput., 2007
2006
Numer. Algorithms, 2006
Computation of Self-similar Solution Profiles for the Nonlinear Schrödinger Equation.
Computing, 2006
Appl. Math. Comput., 2006
2005
Analysis of a New Error Estimate for Collocation Methods Applied to Singular Boundary Value Problems.
SIAM J. Numer. Anal., 2005
Asymptotically correct error estimation for collocation methods applied to singular boundary value problems.
Numerische Mathematik, 2005
Numer. Algorithms, 2005
2004
Analytical and numerical treatment of a singular initial value problem in avalanche modeling.
Appl. Math. Comput., 2004
2003
A Collocation Code for Singular Boundary Value Problems in Ordinary Differential Equations.
Numer. Algorithms, 2003
Math. Comput., 2003
Traffic and road planning simulation: modeling ambulance service of the austrian Red Cross.
Proceedings of the 35th Winter Simulation Conference: Driving Innovation, 2003
Proceedings of the Large-Scale Scientific Computing, 4th International Conference, 2003
2002
Numer. Algorithms, 2002
2001
SIAM J. Numer. Anal., 2001
Theory and Solution Techniques for Singular Boundary Value Problems in Ordinary Differential Equations.
Proceedings of the Parallel Processing and Applied Mathematics, 2001