Extended Hamilton–Jacobi Characterization of Value Functions in Optimal Control. - Grant N. Galbraith (SIAM J. Control. Optim., 2000)

Lipschitz regularity of optimal controls. - Grant N. Galbraith; Richard B. Vinter (CDC, 2002)

Lipschitz Continuity of Optimal Controls for State Constrained Problems. - Grant N. Galbraith; Richard B. Vinter (SIAM J. Control. Optim., 2003)

Regularity of Optimal Controls for State Constrained Problems. - Grant N. Galbraith; Richard B. Vinter (J. Glob. Optim., 2004)