Search Results for author: Enoch Yeung

Found 10 papers, 0 papers with code

Learning Invariant Subspaces of Koopman Operators--Part 1: A Methodology for Demonstrating a Dictionary's Approximate Subspace Invariance

no code implementations14 Dec 2022 Charles A. Johnson, Shara Balakrishnan, Enoch Yeung

Recently, deep learning combined with EDMD has been used to learn novel dictionary functions in an algorithm called deep dynamic mode decomposition (deepDMD).

Dictionary Learning

Towards Scalable Koopman Operator Learning: Convergence Rates and A Distributed Learning Algorithm

no code implementations30 Sep 2019 Zhiyuan Liu, Guohui Ding, Lijun Chen, Enoch Yeung

We propose an alternating optimization algorithm to the nonconvex Koopman operator learning problem for nonlinear dynamic systems.

Operator learning

A Constructive Approach for One-Shot Training of Neural Networks Using Hypercube-Based Topological Coverings

no code implementations9 Jan 2019 W. Brent Daniel, Enoch Yeung

In this paper we presented a novel constructive approach for training deep neural networks using geometric approaches.

Enforcing constraints for interpolation and extrapolation in Generative Adversarial Networks

no code implementations22 Mar 2018 Panos Stinis, Tobias Hagge, Alexandre M. Tartakovsky, Enoch Yeung

We suggest ways to enforce given constraints in the output of a Generative Adversarial Network (GAN) generator both for interpolation and extrapolation (prediction).

Generative Adversarial Network Time Series Analysis

A Class of Logistic Functions for Approximating State-Inclusive Koopman Operators

no code implementations8 Dec 2017 Charles A. Johnson, Enoch Yeung

An outstanding challenge in nonlinear systems theory is identification or learning of a given nonlinear system's Koopman operator directly from data or models.

Decomposition of Nonlinear Dynamical Systems Using Koopman Gramians

no code implementations4 Oct 2017 Zhiyuan Liu, Soumya Kundu, Lijun Chen, Enoch Yeung

In this paper we propose a new Koopman operator approach to the decomposition of nonlinear dynamical systems using Koopman Gramians.

Learning Deep Neural Network Representations for Koopman Operators of Nonlinear Dynamical Systems

no code implementations22 Aug 2017 Enoch Yeung, Soumya Kundu, Nathan Hodas

The Koopman operator has recently garnered much attention for its value in dynamical systems analysis and data-driven model discovery.

Model Discovery

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