Some non-stationary problems of group pursuit

We consider non-stationary problems of conflict interaction of one or several evaders with a group of pursuers at the same dynamic and inertial opportunities of all players. We obtain sufficient conditions for the solvability of the local evasion problem in a linear non-stationary problem and the solvability of the global problem of evasion of group of evaders from a group of pursuers in the non-stationary problem of group pursuit with a diagonal matrix. We obtain two-sided estimate the minimum number of evaders sufficient for the solvability of the avoidance from any initial position for a given number of pursuers in games with a diagonal matrix. For non-stationary problem of simple pursuit with phase constraints, we propose a positional control procedure with a guide that guarantees capture at least one of the pursuers in any neighborhood of the terminal set. We obtain sufficient conditions for the avoidance of one evader from a group of pursuers in a second-order differential games.