Optimality principles and uniqueness for Bellman equations of unbounded control problems with discontinuous running cost
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We study viscosity solutions of Hamilton-Jacobi equations that arise in optimal control problems with unbounded controls and discontinuous Lagrangian. In our assumptions, the comparison principle will not hold, in general. We prove optimality principles that extend the scope of the results of  under very general assumptions, allowing unbounded controls. In particular, our results apply to calculus of variations problems under Tonelli type coercivity conditions. Optimality principles can be applied to obtain necessary and sufficient conditions for uniqueness in boundary value problems, and to characterize minimal and maximal solutions when uniqueness fails. We give examples of applications of our results in this direction.
- Optimality principles and uniqueness for Bellman equations of unbounded control problems with discontinuous running cost
Nonlinear Differential Equations and Applications NoDEA
Volume 11, Issue 3 , pp 271-298
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- Optimal control
- viscosity solutions
- discontinuous coefficients
- calculus of variations
- principles of optimality.