Results 31 to 40 of about 638 (183)

Singular stochastic control model for algae growth management in dam downstream

open access: yesJournal of Biological Dynamics, 2018
A stochastic control model for finding an ecologically sound, fit-for-purpose dam operation policy to suppress bloom of attached algae in its downstream is presented. A singular exactly solvable and a more realistic regular-singular cases are analysed in
Hidekazu Yoshioka, Yuta Yaegashi
doaj   +1 more source

Noether Theorem in Stochastic Optimal Control Problems via Contact Symmetries

open access: yesMathematics, 2021
We establish a generalization of the Noether theorem for stochastic optimal control problems. Exploiting the tools of jet bundles and contact geometry, we prove that from any (contact) symmetry of the Hamilton–Jacobi–Bellman equation associated with an ...
Francesco C. De Vecchi   +3 more
doaj   +1 more source

On Nonuniqueness of Solutions of Hamilton–Jacobi–Bellman Equations [PDF]

open access: yesApplied Mathematics & Optimization, 2016
An example of a nonunique solution of the Cauchy problem of Hamilton-Jacobi-Bellman (HJB) equation with surprisingly regular Hamiltonian is presented. The Hamiltonian H(t,x,p) is locally Lipschitz continuous with respect to all variables, convex in p and with linear growth with respect to p and x.
openaire   +3 more sources

Linear Hamilton Jacobi Bellman Equations in high dimensions [PDF]

open access: yes53rd IEEE Conference on Decision and Control, 2014
The Hamilton Jacobi Bellman Equation (HJB) provides the globally optimal solution to large classes of control problems. Unfortunately, this generality comes at a price, the calculation of such solutions is typically intractible for systems with more than moderate state space size due to the curse of dimensionality.
Matanya B. Horowitz   +2 more
openaire   +3 more sources

Stochastic Perron's Method for Hamilton--Jacobi--Bellman Equations [PDF]

open access: yesSIAM Journal on Control and Optimization, 2013
Final version. To appear in the SIAM Journal on Control and Optimization.
Erhan Bayraktar, Mihai Sîrbu
openaire   +2 more sources

A unified framework of rapid exponential stability and optimal feedback control for nonlinear systems

open access: yesAdvances in Mechanical Engineering, 2019
A novel framework of rapid exponential stability and optimal feedback control is investigated and analyzed for a class of nonlinear systems through a variant of continuous Lyapunov functions and Hamilton–Jacobi–Bellman equation.
Yan Li, Yuanchun Li
doaj   +1 more source

Mean Field Game with Delay: A Toy Model

open access: yesRisks, 2018
We study a toy model of linear-quadratic mean field game with delay. We “lift” the delayed dynamic into an infinite dimensional space, and recast the mean field game system which is made of a forward Kolmogorov equation and a backward ...
Jean-Pierre Fouque, Zhaoyu Zhang
doaj   +1 more source

A direct approach to linear-quadratic stochastic control [PDF]

open access: yesOpuscula Mathematica, 2017
A direct approach is used to solve some linear-quadratic stochastic control problems for Brownian motion and other noise processes. This direct method does not require solving Hamilton-Jacobi-Bellman partial differential equations or backward stochastic ...
Tyrone E. Duncan, Bozenna Pasik-Duncan
doaj   +1 more source

Hamilton–Jacobi–Bellman Equations on Multi-domains [PDF]

open access: yes, 2013
A system of Hamilton Jacobi (HJ) equations on a partition of $\R^d$ is considered, and a uniqueness and existence result of viscosity solution is analyzed. While the notion of viscosity notion is by now well known, the question of uniqueness of solution, when the Hamiltonian is discontinuous, remains an important issue.
Rao, Zhiping, Zidani, Hasnaa
openaire   +2 more sources

Some non monotone schemes for Hamilton-Jacobi-Bellman equations [PDF]

open access: yesESAIM: Proceedings and Surveys, 2019
We extend the theory of Barles Jakobsen [3] for a class of almost monotone schemes to solve stationary Hamilton Jacobi Bellman equations. We show that the monotonicity of the schemes can be relaxed still leading to the convergence to the viscosity ...
Warin Xavier
doaj   +1 more source

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