Gengsheng Wang is a professor at the Center for Applied Mathematics at Tianjin University. Lijuan Wang is a professor at Wuhan University's School of Matheamtics and Statistics.Yashan Xu is a professor at the School of Mathematical University at Fudan University. Yubiao Zhang is a professor at the Center for Applied Mathematics at Tianjin University.

• Preface.- Mathematical Preliminaries.- Time Optimal Control Problems.- Existence of Admissible Groups and Optimal Groups.- Maximum Principle of Optimal Groups.- Equivalence of Several Kinds of Optimal Controls.- Bang-Bang Properties of Optimal Groups.- References.

“The book under review is a welcome addition to the increasing number of monographs in the theory of linear-controlled dynamical systems in Hilbert spaces and provides an inspired presentation of the tools of optimal control theory in solving time-optimal problems. … this book contains many ideas, methods and recent advances in the field, is quite well-written and well-organized and suits best to researchers and graduate-level treatment.” (Shokhrukh Kholmatov, zbMATH 1406.49002, 2019)

Gengsheng Wang is a professor at the Center for Applied Mathematics at Tianjin University. Lijuan Wang is a professor at Wuhan University's School of Matheamtics and Statistics.Yashan Xu is a professor at the School of Mathematical University at Fudan University. Yubiao Zhang is a professor at the Center for Applied Mathematics at Tianjin University.

• Preface.- Mathematical Preliminaries.- Time Optimal Control Problems.- Existence of Admissible Groups and Optimal Groups.- Maximum Principle of Optimal Groups.- Equivalence of Several Kinds of Optimal Controls.- Bang-Bang Properties of Optimal Groups.- References.

“The book under review is a welcome addition to the increasing number of monographs in the theory of linear-controlled dynamical systems in Hilbert spaces and provides an inspired presentation of the tools of optimal control theory in solving time-optimal problems. … this book contains many ideas, methods and recent advances in the field, is quite well-written and well-organized and suits best to researchers and graduate-level treatment.” (Shokhrukh Kholmatov, zbMATH 1406.49002, 2019)

Gengsheng Wang is a professor at the Center for Applied Mathematics at Tianjin University. Lijuan Wang is a professor at Wuhan University's School of Matheamtics and Statistics.Yashan Xu is a professor at the School of Mathematical University at Fudan University. Yubiao Zhang is a professor at the Center for Applied Mathematics at Tianjin University.

• Preface.- Mathematical Preliminaries.- Time Optimal Control Problems.- Existence of Admissible Groups and Optimal Groups.- Maximum Principle of Optimal Groups.- Equivalence of Several Kinds of Optimal Controls.- Bang-Bang Properties of Optimal Groups.- References.

“The book under review is a welcome addition to the increasing number of monographs in the theory of linear-controlled dynamical systems in Hilbert spaces and provides an inspired presentation of the tools of optimal control theory in solving time-optimal problems. … this book contains many ideas, methods and recent advances in the field, is quite well-written and well-organized and suits best to researchers and graduate-level treatment.” (Shokhrukh Kholmatov, zbMATH 1406.49002, 2019)