This book is written very precisely with a lot of illustrations. It is indispensable for physicists and mathematicians interested in the above stated dynamical systems and their SNA. Zentralblatt MATH This is the first attempt to gather up all the work on this topic and present it in a unified way ... the book does an excellent job in outlining the main examples, results and connections to the literature and should be an invaluable tool for anyone wishing to find out about SNAs. Mathematical Reviews