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Dive into the research topics where Sigurður Freyr Hafstein is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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Constructing piecewise quadratic Lyapunov functions with linear programming for continuous-time switched and conewise linear systems
Palacios Roman, J. J., Hafstein, S., Giesl, P., van den Eijnden, S., Andersen, S. & Heemels, W. P. M. H., Apr 2026, In: Automatica. 186, 112838.Research output: Contribution to journal › Article › peer-review
Open Access -
Positively Invariant Sets for ODEs and Predictor-Corrector Multi-step Numerical Solvers
Giesl, P., Hafstein, S. & Mehrabinezhad, I., 2026, Informatics in Control, Automation and Robotics - 20th International Conference, ICINCO 2023, Revised Selected Papers. Gini, G., Nijmeijer, H. & Filev, D. (eds.). Springer Science and Business Media Deutschland GmbH, p. 43-68 26 p. (Lecture Notes in Electrical Engineering; vol. 1436 LNEE).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Computation of Lyapunov functions for discrete-time switched linear systems: Proof of convergence in the plane
Hafstein, S. F. & Palacios Roman, J. J., 1 Jul 2025, In: IFAC-PapersOnLine. 59, 19, p. 579-584 6 p.Research output: Contribution to journal › Conference article › peer-review
Open Access -
CPA LYAPUNOV FUNCTIONS FOR TIME-PERIODIC SYSTEMS IN ONE SPATIAL DIMENSION
Giesl, P., Hafstein, S. & Jackiewicz, J., Jul 2025, In: Journal of Computational Dynamics. 12, 3, p. 393-417 25 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Investigating Average Dwell-Time Constraints on Multiple Lyapunov Functions for Switched Linear Systems
Andersen, S. & Hafstein, S., 1 Jul 2025, In: IFAC-PapersOnLine. 59, 19, p. 150-155 6 p.Research output: Contribution to journal › Conference article › peer-review
Open Access