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eess.SY2026
Spectral Koopman-Hopf Formula for Reachability with Adversary
Sarang Sutavani, Umesh Vaidya
This paper develops a spectral Koopman-Hopf framework for adversarial reachability analysis of nonlinear systems. By lifting the nonlinear drift dynamics into Koopman eigenfunction…
eess.SY2023
Spectral Koopman Method for Identifying Stability Boundary
Bhagyashree Umathe, Umesh Vaidya
The paper is about characterizing the stability boundary of an autonomous dynamical system using the Koopman spectrum. For a dynamical system with an asymptotically stable equilibr…