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math.DS2023
Featurizing Koopman Mode Decomposition For Robust Forecasting
David Aristoff, Jeremy Copperman, Nathan Mankovich +1
This article introduces an advanced Koopman mode decomposition (KMD) technique -- coined Featurized Koopman Mode Decomposition (FKMD) -- that uses delay embedding and a learned Mah…
cs.CV2023
Chordal Averaging on Flag Manifolds and Its Applications
Nathan Mankovich, Tolga Birdal
This paper presents a new, provably-convergent algorithm for computing the flag-mean and flag-median of a set of points on a flag manifold under the chordal metric. The flag manifo…