Sigurdur F. Hafstein

Orcid: 0000-0003-0073-2765

Affiliations:
  • University of Iceland, Reykjavik, Iceland
  • University of Duisburg-Essen, Germany (PhD 2002)


According to our database1, Sigurdur F. Hafstein authored at least 60 papers between 2004 and 2024.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Construction of a Contraction Metric for Time-Periodic Systems Using Meshless Collocation.
IEEE Control. Syst. Lett., 2024

The stability of the multivariate geometric Brownian motion as a bilinear matrix inequality problem.
CoRR, 2024

Efficient C++ Implementations of Generalized Interpolation in Reproducing Kernel Hilbert Spaces to Compute Lyapunov Functions.
Proceedings of the European Control Conference, 2024

2023
Linear programming based lower bounds on average dwell-time via multiple Lyapunov functions.
Eur. J. Control, November, 2023

Triangulations and Error Estimates for Interpolating Lyapunov Functions.
SN Comput. Sci., July, 2023

Sufficient Stability Conditions for a Class of Switched Systems With Multiple Steady States.
IEEE Control. Syst. Lett., 2023

Lyapunov Functions for Switched Linear Systems: Proof of Convergence for an LP Computational Approach.
IEEE Control. Syst. Lett., 2023

Common Lyapunov Functions for Switched Linear Systems: Linear Programming-Based Approach.
IEEE Control. Syst. Lett., 2023

Lyapunov Function Computation for Linear Switched Systems: Comparison of SDP and LP Approaches.
Proceedings of the 13th International Conference on Simulation and Modeling Methodologies, 2023

Contraction Metrics by Numerical Integration and Quadrature: Uniform Error Estimate.
Proceedings of the 20th International Conference on Informatics in Control, 2023

Positively Invariant Sets for ODEs and Numerical Integration.
Proceedings of the 20th International Conference on Informatics in Control, 2023

2022
A Projected Subgradient Method for the Computation of Adapted Metrics for Dynamical Systems.
SIAM J. Appl. Dyn. Syst., December, 2022

Robustness of Numerically Computed Contraction Metrics.
SN Comput. Sci., 2022

Eigenpairs for the Analysis of Complete Lyapunov Functions.
Complex., 2022

Efficient Verification of CPA Lyapunov Functions.
Proceedings of the 19th International Conference on Informatics in Control, 2022

2021
ResEntSG: Restoration entropy estimation for dynamical systems via Riemannian metric optimization.
SoftwareX, 2021

A Subgradient Algorithm for Data-Rate Optimization in the Remote State Estimation Problem.
SIAM J. Appl. Dyn. Syst., 2021

Minimization with differential inequality constraints applied to complete Lyapunov functions.
Math. Comput., 2021

Computation and verification of contraction metrics for exponentially stable equilibria.
J. Comput. Appl. Math., 2021

Comparison of Different Radial Basis Functions in Dynamical Systems.
Proceedings of the 11th International Conference on Simulation and Modeling Methodologies, 2021

Robustness of Contraction Metrics Computed by Radial Basis Functions.
Proceedings of the 18th International Conference on Informatics in Control, 2021

Uniformly Regular Triangulations for Parameterizing Lyapunov Functions.
Proceedings of the 18th International Conference on Informatics in Control, 2021

2020
Update (2.0) to LyapXool: Eigenpairs and new classification methods.
SoftwareX, 2020

Automatic Determination of Connected Sublevel Sets of CPA Lyapunov Functions.
SIAM J. Appl. Dyn. Syst., 2020

Simplicial complex with approximate rotational symmetry: A general class of simplicial complexes.
J. Comput. Appl. Math., 2020

Sliding Modes and Lyapunov Functions for Differential Inclusions by Linear Programming.
Proceedings of the Informatics in Control, Automation and Robotics, 2020

CPA Lyapunov Functions: Switched Systems vs. Differential Inclusions.
Proceedings of the 17th International Conference on Informatics in Control, 2020

Evaluation of Lyapunov Function Candidates through Averaging Iterations.
Proceedings of the 17th International Conference on Informatics in Control, 2020

2019
LyapXool - a program to compute complete Lyapunov functions.
SoftwareX, 2019

Middle Point Reduction of the Chain-recurrent Set.
Proceedings of the 9th International Conference on Simulation and Modeling Methodologies, 2019

Lyapunov Functions for Linear Stochastic Differential Equations: BMI Formulation of the Conditions.
Proceedings of the 16th International Conference on Informatics in Control, 2019

Algorithm and Software to Generate Code for Wendland Functions in Factorized Form.
Proceedings of the 16th International Conference on Informatics in Control, 2019

Clustering Algorithm for Generalized Recurrences using Complete Lyapunov Functions.
Proceedings of the 16th International Conference on Informatics in Control, 2019

Numerical Analysis Project in ODEs for Undergraduate Students.
Proceedings of the Computational Science - ICCS 2019, 2019

Numerical ODE solvers and integration methods in the computation of CPA Lyapunov functions.
Proceedings of the 17th European Control Conference, 2019

Improved estimation of the chain-recurrent set.
Proceedings of the 17th European Control Conference, 2019

2018
Probabilistic Basin of Attraction and Its Estimation Using Two Lyapunov Functions.
Complex., 2018

Iterative Construction of Complete Lyapunov Functions.
Proceedings of 8th International Conference on Simulation and Modeling Methodologies, 2018

Construction of a Complete Lyapunov Function using Quadratic Programming.
Proceedings of the 15th International Conference on Informatics in Control, 2018

Verification of a Numerical Solution to a Collocation Problem.
Proceedings of the 15th International Conference on Informatics in Control, 2018

Local Lyapunov Functions for Nonlinear Stochastic Differential Equations by Linearization.
Proceedings of the 15th International Conference on Informatics in Control, 2018

Common Lyapunov function computation for discrete-time systems.
Proceedings of the 57th IEEE Conference on Decision and Control, 2018

Computation of Complete Lyapunov Functions for Three-Dimensional Systems.
Proceedings of the 57th IEEE Conference on Decision and Control, 2018

2017
Fast Algorithms for Computing Continuous Piecewise Affine Lyapunov Functions.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2017

Efficient Algorithms for Simplicial Complexes Used in the Computation of Lyapunov Functions for Nonlinear Systems.
Proceedings of the 7th International Conference on Simulation and Modeling Methodologies, 2017

Wendland Functions - A C++ Code to Compute Them.
Proceedings of the 7th International Conference on Simulation and Modeling Methodologies, 2017

Analysing Dynamical Systems - Towards Computing Complete Lyapunov Functions.
Proceedings of the 7th International Conference on Simulation and Modeling Methodologies, 2017

Complete Lyapunov Functions: Computation and Applications.
Proceedings of the Simulation and Modeling Methodologies, Technologies and Applications, 2017

Efficient Lyapunov Function computation for systems with multiple exponentially stable equilibria.
Proceedings of the International Conference on Computational Science, 2017

2015
Computation and Verification of Lyapunov Functions.
SIAM J. Appl. Dyn. Syst., 2015

2014
Computation of Lyapunov functions for discrete-time systems using the Yoshizawa construction.
Proceedings of the 53rd IEEE Conference on Decision and Control, 2014

Computation of continuous and piecewise affine Lyapunov functions by numerical approximations of the Massera construction.
Proceedings of the 53rd IEEE Conference on Decision and Control, 2014

Continuous and piecewise affine Lyapunov functions using the Yoshizawa construction.
Proceedings of the American Control Conference, 2014

Implementation of a fan-like triangulation for the CPA method to compute Lyapunov functions.
Proceedings of the American Control Conference, 2014

2013
Implementation of Simplicial Complexes for CPA Functions in C++11 using the Armadillo Linear Algebra Library.
Proceedings of the SIMULTECH 2013, 2013

2011
Efficient Sampling of Saddle Points with the Minimum-Mode Following Method.
SIAM J. Sci. Comput., 2011

2004
Traffic Forecast in Large Scale Freeway Networks.
Int. J. Bifurc. Chaos, 2004

OLSIM: Inter-urban Traffic Information.
Proceedings of the Innovative Internet Community Systems, 4th InternationalWorkshop, 2004

Future of Traffic Information: Online-Simulation of a Large Scale Freeway Network.
Proceedings of the IADIS International Conference WWW/Internet 2004, 2004

OLSIM: Up-to-date traffic information on the web.
Proceedings of the IASTED International Conference on Communications, Internet, and Information Technology, November 22, 2004


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