Time-optimal control nÂn parabolic systems Time lags Distributed control problems Neumann conditions Existence and uniqueness of solutions Infinite order operator a b s t r a c t A time-optimal control problem for linear infinite order distributed parabolic systems involving constant time lags appear both in the state equation and in the boundary condition is presented. Some particular properties of the optimal control are discussed. in which linear quadratic problem for parabolic systems with

more »

... ime delays given in the different form (constant time delays, time-varying delays, time delays given in the integral form, etc.) were presented.