This book makes available to researchers and advanced graduates a simple and direct presentation of the fundamental aspects of the theory of fractional powers o

This book contains a systematic and partly axiomatic treatment of the holomorphic functional calculus for unbounded sectorial operators. The account is generic

This book presents a new theory for evolution operators and a new method for defining fractional powers of vector operators. This new approach allows to define

This monograph is concerned with the basic results on Cauchy problems associated with nonlinear monotone operators in Banach spaces with applications to partial