Search Results for author: Suddhasattwa Das

Found 3 papers, 0 papers with code

Conditional expectation using compactification operators

no code implementations18 Jun 2023 Suddhasattwa Das

The separate tasks of denoising, least squares expectation, and manifold learning can often be posed in a common setting of finding the conditional expectations arising from a product of two random variables.

Denoising

An information-geometric approach to feature extraction and moment reconstruction in dynamical systems

no code implementations5 Apr 2020 Suddhasattwa Das, Dimitrios Giannakis, Enikő Székely

One of our main results shows that the evolution of the moments of the dynamics-dependent probability measures can be related to a time-averaging operator on the original dynamical system.

Dimensionality Reduction Time Series Analysis

Reproducing kernel Hilbert space compactification of unitary evolution groups

no code implementations4 Aug 2018 Dimitrios Giannakis, Suddhasattwa Das, Joanna Slawinska

These eigenfunctions can be ordered in terms of a Dirichlet energy on the RKHS, and provide a notion of coherent observables under the dynamics akin to the Koopman eigenfunctions associated with the atomic part of the spectrum.

Time Series Analysis Dynamical Systems 37M99, 37M25, 37A30, 47A60, 28D10, 37A10, 47A35, 37M10

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