Caustics, Catastrophes and Wave Fields in a sense continues the
treatment of the earlier volume 6 "Geometrical Optics of Inhomogeneous
Media" in the present book series, by analysing caustics and their
fields on the basis of modern catastrophe theory. This volume covers the
key generalisations of geometrical optics related to caustic asymptotic
expansions: The Lewis-Kravtsov method of standard functions, Maslov's
method of caonical operators, Orlov's method of interference integrals,
as well as their modifications for penumbra, space-time, random and
other types of caustics. All the methods are amply illustrated by worked
problems concerning relevant wave-field applications.