Riemannian fast-marching on Cartesian grids, using Voronoi's first reduction of quadratic forms

JM Mirebeau - SIAM Journal on numerical analysis, 2019 - SIAM
We address the numerical computation of distance maps with respect to Riemannian metrics
of strong anisotropy. For that purpose we solve generalized eikonal equations, discretized …

Computing the quasipotential for nongradient SDEs in 3D

S Yang, SF Potter, MK Cameron - Journal of Computational Physics, 2019 - Elsevier
Nongradient SDEs with small white noise often arise when modeling biological and
ecological time-irreversible processes. If the governing SDE were gradient, the maximum …

Numerical geometric acoustics: An eikonal-based approach for modeling sound propagation in 3D environments

SF Potter, MK Cameron, R Duraiswami - Journal of Computational Physics, 2023 - Elsevier
We present algorithms for solving high-frequency acoustic scattering problems in complex
domains. The eikonal and transport partial differential equations from the WKB/geometric …

Evasive path planning under surveillance uncertainty

MA Gilles, A Vladimirsky - Dynamic Games and Applications, 2020 - Springer
The classical setting of optimal control theory assumes full knowledge of the process
dynamics and the costs associated with every control strategy. The problem becomes much …

Jet marching methods for solving the eikonal equation

SF Potter, MK Cameron - SIAM Journal on Scientific Computing, 2021 - SIAM
We develop a family of compact high-order semi-Lagrangian label-setting methods for
solving the eikonal equation. These solvers march the total 1-jet of the eikonal, and use …

Ordered line integral methods for solving the eikonal equation

SF Potter, MK Cameron - Journal of Scientific Computing, 2019 - Springer
We present a family of fast and accurate Dijkstra-like solvers for the eikonal equation and
factored eikonal equation which compute solutions on a regular grid by solving local …

Numerical geometric acoustics

SF Potter - 2021 - search.proquest.com
Sound propagation in air is accurately described by a small perturbation of the ambient
pressure away from a quiescent state. This is the realm of linear acoustics, where the …

Challenges in Continuous Path Planning: Rarefactions, Uncertainty and Reinforcement Learning

D Qi - 2023 - search.proquest.com
We consider three optimal control problems, which focus on continuous path-planning
applications, and each problem deals with a specific challenge. First, we introduce a new …

[PDF][PDF] Surveillance-evasion game under uncertainty

M Gilles, A Vladimirsky - Dynamic Games and Applications, 2018 - pi.math.cornell.edu
Surveillance-Evasion games are continuous path planning problems in which an evader
chooses his trajectory to hinder the surveillance by an enemy observer. In the classical …

At the intersection of differential equations and optimization: inverse problems, path planning and Krylov subspaces

MAT Gilles - 2019 - search.proquest.com
Four problems at the intersection of optimization and partial differential equations are
presented. First, a problem in remote sensing of the marine atmospheric boundary layer is …