本書的第一部分專門介紹了黎曼流形之間調(diào)和映射理論的各個方面。第二部分提出了一些尚未解決的問題，并給出一些評注和參考文獻，這些評注和參考文獻的難度差別很大。本書首次在定性層面闡述了調(diào)和映射。The first part of the book is devoted to an account of various aspects of the theory of harmonic maps between Riemannian manifolds.The second part proposes certain unsolved problems, together with comments and references, which are of widely varying difficulty. This book presents the first printed exposition of the qualitative aspects of harmonic maps.