The second edition of this book consists of three parts.
The three parts are essentially independent.
Compared wi.
The third part is new in this edition, and addresses the Nonlinear propagation of Coherent states.
The second part treats the Semi-Classical limit in the presence of caustics, in the special geometric case where the caustic is reduced to a point (or to several isolated points).
The first one is dedicated to the WKB methods and the Semi-Classical limit before the formation of caustics.
The second edition of this book consists of three parts