Continuity/constancy of the Hamiltonian function in a Pontryagin maximum principle for optimal sampled-data control problems with free sampling times. - Loïc Bourdin; Gaurav Dhar (Math. Control. Signals Syst., 2019)

Optimal sampled-data controls with running inequality state constraints: Pontryagin maximum principle and bouncing trajectory phenomenon. - Loïc Bourdin; Gaurav Dhar (Math. Program., 2022)