Title Information
Title
Efficient Algorithms for High-Dimensional Hamilton-Jacobi Partial Differential Equations and Optimal Control Problems
Type of Resource (primo)
dissertations
Name: Personal
Name Part
Chen, Paula
Role
Role Term: Text
creator
Name: Personal
Name Part
Darbon, Jerome
Role
Role Term: Text
Advisor
Name: Personal
Name Part
Shu, Chi-Wang
Role
Role Term: Text
Reader
Name: Personal
Name Part
Hewer, Gary
Role
Role Term: Text
Reader
Name: Corporate
Name Part
Brown University. Department of Applied Mathematics
Role
Role Term: Text
sponsor
Origin Information
Copyright Date
2023
Physical Description
Extent
xii, 238 p.
digitalOrigin
born digital
Note: thesis
Thesis (Ph. D.)--Brown University, 2023
Genre (aat)
theses
Abstract
Hamilton-Jacobi partial differential equations (HJ PDEs) have deep connections to a wide range of scientific disciplines including optimal control, differential games, imaging sciences, and machine learning, among many others. In this dissertation, we focus on connections between HJ PDEs, optimal control, and machine learning. In the first part of this dissertation, we utilize the well-studied connection between optimal control problems and HJ PDEs to derive representation formulas for two classes of optimal control problems with non-quadratic, state-dependent running costs or non-smooth constraints on the control and their corresponding HJ PDEs. We leverage our derived representation formulas to develop efficient numerical algorithms based on optimization techniques to solve these problems in high dimensions. We then present implementations of our algorithms on both central processing units (CPUs) and field-programmable gate arrays (FPGAs) to highlight the promising computational benefits of using FPGAs for high-performance scientific computing. In the second part of this dissertation, we establish a novel theoretical connection between the multi-time Hopf formula, which provides a representation of the solution to certain multi-time HJ PDEs, and specific optimization problems arising in machine learning. Through this connection, we increase the interpretability of the training process of certain machine learning applications by showing that when we solve these learning problems, we also solve a multi-time HJ PDE and, by extension, its corresponding optimal control problem. We then leverage our theoretical connection to adapt existing efficient numerical algorithms from optimal control to design new training approaches for machine learning.
Subject
Topic
Machine Learning
Subject (fast) (authorityURI="http://id.worldcat.org/fast", valueURI="http://id.worldcat.org/fast/00923910")
Topic
Field programmable gate arrays
Subject (fast) (authorityURI="http://id.worldcat.org/fast", valueURI="http://id.worldcat.org/fast/01432090")
Topic
Regression analysis
Subject
Topic
optimal control
Subject (fast) (authorityURI="http://id.worldcat.org/fast", valueURI="http://id.worldcat.org/fast/00950768")
Topic
Hamilton-Jacobi equations
Subject (fast) (authorityURI="http://id.worldcat.org/fast", valueURI="http://id.worldcat.org/fast/01097328")
Topic
Riccati equation
Language
Language Term (ISO639-2B)
English
Record Information
Record Content Source (marcorg)
RPB
Record Creation Date (encoding="iso8601")
20230602