Xiaoyu Fu is Professor of Mathematics in the School of Mathematics, Sichuan University, Chengdu, China. Her main research interest is control theory of partial differential equations.Qi Lü is a Professor in the School of Mathematics, Sichuan University, Chengdu, China. His main research interest is Mathematical Control Theory, including in particular control theory of deterministic and stochastic partial differential equations.Xu Zhang is Cheung Kong Scholar Distinguished Professor in the School of Mathematics, Sichuan University, Chengdu, China. His main research interests include mathematical control theory and related partial differential equations and stochastic analysis.

“The book will be useful for specialists in the respective area of mathematical analysis as well as for specialists in the field of control theory.” (Vyacheslav I. Maksimov, zbMATH 1445.35006, 2020)

• 1 Introduction.- 2 Carleman estimates for second order elliptic operators and applications.- 3 Carleman estimates for second order parabolic operators and applications.- 4 Carleman estimates for second order hyperbolic operators and applications.

Xiaoyu Fu is Professor of Mathematics in the School of Mathematics, Sichuan University, Chengdu, China. Her main research interest is control theory of partial differential equations.Qi Lü is a Professor in the School of Mathematics, Sichuan University, Chengdu, China. His main research interest is Mathematical Control Theory, including in particular control theory of deterministic and stochastic partial differential equations.Xu Zhang is Cheung Kong Scholar Distinguished Professor in the School of Mathematics, Sichuan University, Chengdu, China. His main research interests include mathematical control theory and related partial differential equations and stochastic analysis.

“The book will be useful for specialists in the respective area of mathematical analysis as well as for specialists in the field of control theory.” (Vyacheslav I. Maksimov, zbMATH 1445.35006, 2020)

• 1 Introduction.- 2 Carleman estimates for second order elliptic operators and applications.- 3 Carleman estimates for second order parabolic operators and applications.- 4 Carleman estimates for second order hyperbolic operators and applications.

Xiaoyu Fu is Professor of Mathematics in the School of Mathematics, Sichuan University, Chengdu, China. Her main research interest is control theory of partial differential equations.Qi Lü is a Professor in the School of Mathematics, Sichuan University, Chengdu, China. His main research interest is Mathematical Control Theory, including in particular control theory of deterministic and stochastic partial differential equations.Xu Zhang is Cheung Kong Scholar Distinguished Professor in the School of Mathematics, Sichuan University, Chengdu, China. His main research interests include mathematical control theory and related partial differential equations and stochastic analysis.

“The book will be useful for specialists in the respective area of mathematical analysis as well as for specialists in the field of control theory.” (Vyacheslav I. Maksimov, zbMATH 1445.35006, 2020)

• 1 Introduction.- 2 Carleman estimates for second order elliptic operators and applications.- 3 Carleman estimates for second order parabolic operators and applications.- 4 Carleman estimates for second order hyperbolic operators and applications.