Operator splitting for non-autonomous evolution equations

A Bátkai, P Csomós, B Farkas, G Nickel - Journal of Functional Analysis, 2011 - Elsevier
We establish general product formulas for the solutions of non-autonomous abstract Cauchy
problems. The main technical tools are evolution semigroups allowing the direct application …

Optimal control and observation locations for time-varying systems on a finite-time horizon

X Wu, B Jacob, H Elbern - SIAM Journal on Control and Optimization, 2016 - SIAM
The choice of the location of controllers and observations is of great importance for
designing control systems and improving the estimations in various practical problems. For …

Numerical simulation of Bloch equations for dynamic magnetic resonance imaging

A Hazra, G Lube, HG Raumer - Applied Numerical Mathematics, 2018 - Elsevier
Abstract Magnetic Resonance Imaging (MRI) is a widely applied non-invasive imaging
modality based on non-ionizing radiation which gives excellent images and soft tissue …

[HTML][HTML] New efficient numerical methods for some systems of linear ordinary differential equations

L Boda, I Faragó - Mathematics and Computers in Simulation, 2025 - Elsevier
In mathematics there are several problems arise that can be described by differential
equations with particular, highly complex structure. Most of the time, we cannot produce the …

Improving accuracy of the moving grid particle finite element method via a scheme based on Strang splitting

J Marti, P Ryzhakov - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
Particle finite element method (PFEM) is a computational tool suitable for simulating fluid
dynamics problems characterized by presence of moving boundaries. In this paper a new …

[HTML][HTML] Operator splitting for nonautonomous delay equations

A Bátkai, P Csomós, B Farkas - Computers & Mathematics with Applications, 2013 - Elsevier
We provide a general product formula for the solution of nonautonomous abstract delay
equations. After having shown the convergence we obtain estimates on the order of …

[PDF][PDF] Numerical solutions of a system of odes based on lie-trotter and strang operator-splitting methods

R Omer, E Bashier, AI Arbab - Universal Journal of Computational …, 2017 - academia.edu
In the present paper, we consider a first-order exponential splitting method (or exponential
Lie-Trotter splitting) and second order exponential splitting method (or exponential Strang …

[PDF][PDF] On the order of operator splitting methods for time-dependent linear systems of differential equations

I Faragó, A Havasi, R Horvath - International Journal of Numerical Analysis …, 2011 - Citeseer
One way to solve complicated systems of differential equations is the application of operator
splitting techniques. The original problem is split into several subsystems that are solved …

PDE approximation of large systems of differential equations

A Batkai, Á Havasi, R Horváth… - arxiv preprint arxiv …, 2013 - arxiv.org
A large system of ordinary differential equations is approximated by a parabolic partial
differential equation with dynamic boundary condition and a different one with Robin …

Operator splitting with spatial-temporal discretization

A Bátkai, P Csomós, B Farkas, G Nickel - Spectral Theory, Mathematical …, 2012 - Springer
Operator Splitting with Spatial-temporal Discretization Page 1 Operator Theory: c⃝ 2012
Springer Basel Operator Splitting with Spatial-temporal Discretization András Bátkai, Petra …