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math.DS2026
Dictionary learning for Kernel EDMD
Erik Lien Bolager, Boumediene Hamzi, Houman Owhadi +2
Studying nonlinear dynamical systems through their state space behavior can be challenging, and one possible alternative is to analyze them via their associated Koopman operator. T…
math.DS2026
On the algebra of Koopman eigenfunctions and on some of their infinities
Zahra Monfared, Saksham Malhotra, Sekiya Hajime +2
For continuous-time dynamical systems with reversible trajectories, the nowhere-vanishing eigenfunctions of the Koopman operator of the system form a multiplicative group. Here, we…