activity
20172023
most citedKoopman Theory and Linear Approximation Spaces

7 citations · 27 across the 14 of their papers we have counts for

collaborators

15 papers

eess.SY2023★ 2 cited

Rates of Convergence in Certain Native Spaces of Approximations used in Reinforcement Learning

Ali Bouland, Shengyuan Niu, Sai Tej Paruchuri +3

This paper studies convergence rates for some value function approximations that arise in a collection of reproducing kernel Hilbert spaces (RKHS) . By casting an optimal con…

math.DS2022

Kernel Methods for Regression in Continuous Time over Subsets and Manifolds

Nathan Powell, Jia Guo, Sai Tej Parachuri +3

This paper derives error bounds for regression in continuous time over subsets of certain types of Riemannian manifolds.The regression problem is typically driven by a nonlinear ev…

stat.ML2022

Koopman Methods for Estimation of Animal Motions over Unknown Submanifolds

Nathan Powell, Bowei Liu, Jia Guo +2

This paper introduces a data-dependent approximation of the forward kinematics map for certain types of animal motion models. It is assumed that motions are supported on a low-dime…

eess.SY2021★ 2 cited

Strictly Decentralized Adaptive Estimation of External Fields using Reproducing Kernels

Jia Guo, Michael E. Kepler, Sai Tej Paruchuri +3

This paper describes an adaptive method in continuous time for the estimation of external fields by a team of agents. The agents each explore subdomains of a bounded…

eess.SY2020

Kernel Center Adaptation in the Reproducing Kernel Hilbert Space Embedding Method

Sai Tej Paruchuri, Jia Guo, Andrew Kurdila

The performance of adaptive estimators that employ embedding in reproducing kernel Hilbert spaces (RKHS) depends on the choice of the location of basis kernel centers. Parameter co…

eess.SY2020★ 1 cited

Sufficient Conditions for Parameter Convergence over Embedded Manifolds using Kernel Techniques

Sai Tej Paruchuri, Jia Guo, Andrew Kurdila

The persistence of excitation (PE) condition is sufficient to ensure parameter convergence in adaptive estimation problems. Recent results on adaptive estimation in reproducing ker…

math.OC2020★ 4 cited

Approximations of the Reproducing Kernel Hilbert Space (RKHS) Embedding Method over Manifolds

Jia Guo, Sai Tej Paruchuri, Andrew J. Kurdila

The reproducing kernel Hilbert space (RKHS) embedding method is a recently introduced estimation approach that seeks to identify the unknown or uncertain function in the governing…

math.DS2020

Intrinsic and Extrinsic Approximation of Koopman Operators over Manifolds

Sai Tej Paruchuri, Jia Guo, Michael Kepler +4

This paper derives rates of convergence of certain approximations of the Koopman operators that are associated with discrete, deterministic, continuous semiflows on a complete metr…

stat.ML2020

Learning Theory for Estimation of Animal Motion Submanifolds

Nathan Powell, Andrew Kurdila

This paper describes the formulation and experimental testing of a novel method for the estimation and approximation of submanifold models of animal motion. It is assumed that the…

math.OC2020★ 1 cited

RKHS Embedding for Estimating Nonlinear Piezoelectric Systems

Sai Tej Paruchuri, Jia Guo, Andrew J. Kurdila

Nonlinearities in piezoelectric systems can arise from internal factors such as nonlinear constitutive laws or external factors like realizations of boundary conditions. It can be…

math.OC2020★ 3 cited

Partial Persistence of Excitation in RKHS Embedded Adaptive Estimation

Jia Guo, Sai Tej Paruchuri, Andrew J. Kurdila

In this paper, an adaptive non-parametric method is proposed to estimate the scalar-valued nonlinear function that appears in uncertain systems governed by ordinary differential eq…

math.OC2019★ 7 cited

Persistence of Excitation in Reproducing Kernel Hilbert Spaces, Positive Limit Sets, and Smooth Manifolds

Andrew J. Kurdila, Jia Guo, Sai Tej Paruchuri +1

This paper studies the relationship between the positive limit sets of continuous semiflows and the newly introduced definition of persistently excited (PE) sets and associated sub…

math.DS2018★ 7 cited

Koopman Theory and Linear Approximation Spaces

Andrew J. Kurdila, Parag Bobade

Koopman theory studies dynamical systems in terms of operator theoretic properties of the Perron-Frobenius operator and Koopman operator respectively. I…

eess.SY2017

Adaptive Estimation for Nonlinear Systems using Reproducing Kernel Hilbert Spaces

Parag Bobade, Suprotim Majumdar, Savio Pereira +2

This paper extends a conventional, general framework for online adaptive estimation problems for systems governed by unknown nonlinear ordinary differential equations. The central…

math.OC2017

Online Estimation and Adaptive Control for a Class of History Dependent Functional Differential Equations

Shirin Dadashi, Parag Bobade, Andrew Kurdila

This paper presents sufficient conditions for the convergence of online estimation methods and the stability of adaptive control strategies for a class of history dependent, functi…