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math.DS2026
Lyapunov stability of polynomial vector fields is undecidable
Milan Korda
We show that there are integers and odd such that no algorithm can decide, from the rational coefficients of a homogeneous polynomial vector field in dimension of d…
math.DS2021★ 2 cited
Clarifying the effect of mean subtraction on Dynamic Mode Decomposition
Gowtham S Seenivasaharagavan, Milan Korda, Hassan Arbabi +1
Any autonomous nonlinear dynamical system can be viewed as a superposition of infinitely many linear processes, through the so-called Koopman mode decomposition. Its data-driven ap…
math.DS2017
Data-driven spectral analysis of the Koopman operator
Milan Korda, Mihai Putinar, Igor Mezić
Starting from measured data, we develop a method to compute the fine structure of the spectrum of the Koopman operator with rigorous convergence guarantees. The method is based on…