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most citedEstimating Koopman operators with sketching to provably learn large scale dynamical systems

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math.NA2026

Scalable Pseudospectral Analysis via Low-Rank Approximations of Dynamical Systems

Vladimir R. Kostic, Dragana Lj. Cvetkovic, Ljiljana Cvetkovic

Pseudospectral analysis is fundamental for quantifying the sensitivity and transient behavior of nonnormal matrices, yet its computational cost scales cubically with dimension, ren…