Sparsity-promoting algorithms for the discovery of informative Koopman invariant subspaces

25 Feb 2020Shaowu PanNicholas Arnold-MedabalimiKarthik Duraisamy

Koopman decomposition is a non-linear generalization of eigen decomposition, and is being increasingly utilized in the analysis of spatio-temporal dynamics. Well-known techniques such as the dynamic mode decomposition (DMD) and its variants provide approximations to the Koopman operator, and have been applied extensively in many fluid dynamic problems... (read more)

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