Computational approach for complete Lyapunov functions

C Argáez, P Giesl, SF Hafstein - … : Łódź, Poland December 11–14, 2017 14, 2018 - Springer
Ordinary differential equations arise in a variety of applications, including climate modeling,
electronics, predator-prey modeling, etc., and they can exhibit highly complicated dynamical …

[PDF][PDF] Iterative Construction of Complete Lyapunov Functions.

C Argáez, P Giesl, SF Hafstein - SIMULTECH, 2018 - pdfs.semanticscholar.org
Dynamical systems describe the evolution of quantities governed by differential equations.
Hence, they represent a very powerful prediction tool in many disciplines such as physics …

Computation of complete Lyapunov functions for three-dimensional systems

C Argáez, P Giesl, S Hafstein - 2018 IEEE Conference on …, 2018 - ieeexplore.ieee.org
Complete Lyapunov functions are of much interest in control theory because of their
capability to describe the long-time behaviour of nonlinear dynamical systems. The state …

[PDF][PDF] Construction of a Complete Lyapunov Function using Quadratic Programming.

P Giesl, C Argáez, SF Hafstein, H Wendland - ICINCO (1), 2018 - scitepress.org
A complete Lyapunov function characterizes the behaviour of a general dynamical system.
In particular, the state space is split into the chain-recurrent set, where the function is …

Fast basin stability estimation for dynamic systems under large perturbations with sequential support vector machine

Y Che, C Cheng, Z Liu, ZJ Zhang - Physica D: Nonlinear Phenomena, 2020 - Elsevier
The vulnerability of real-world dynamic systems or processes to large perturbations has
nullified the conventional linear stability analysis. Despite the theoretical advance on …

Eigenpairs for the analysis of complete Lyapunov functions

C Argáez, P Giesl, SF Hafstein - Complexity, 2022 - Wiley Online Library
A complete Lyapunov function describes the qualitative behaviour of a dynamical system:
the areas where the orbital derivative vanishes and where it is strictly negative characterise …

Minimization with differential inequality and equality constraints applied to complete Lyapunov functions

P Giesl, S Hafstein, S Suhr… - Discrete and Continuous …, 2024 - aimsciences.org
Meshfree collocation in reproducing kernel Hilbert spaces is an established method to solve
generalized interpolation problems such as PDEs. It can be formulated as an optimization …

Iterative construction of complete Lyapunov functions: Analysis of algorithm efficiency

C Argáez, P Giesl, S Hafstein - International Conference on Simulation …, 2018 - Springer
Differential equations describe many interesting phenomena arising from various
disciplines. This includes many important models, eg predator-prey in population biology or …

Improved estimation of the chain-recurrent set

C Argáez, P Giesl, SF Hafstein - 2019 18th European Control …, 2019 - ieeexplore.ieee.org
When studying the behaviour of dynamical systems, one particular goal is to find and isolate
the periodic solutions and the equilibria. They are a subset of the chain-recurrent set of the …

[HTML][HTML] LyapXool–a program to compute complete Lyapunov functions

C Argáez, JC Berthet, H Björnsson, P Giesl… - SoftwareX, 2019 - Elsevier
LyapXool is a C++ program to compute complete Lyapunov functions and their orbital
derivatives for any two-or three-dimensional dynamical system expressed by an …