The unnamed narrator of "Metaphysica Morum" seeks suicide, yet delays until he can subvert the optimism of his fugitive therapist. Equally anonymous, the young

This monograph is based on the Ph.D. Thesis of the author [58]. Its goal is twofold: First, it presents most researchwork that has been done during his Ph.D., o

The intention of this book is to introduce students to active areas of research in mathematical physics in a rather direct way minimizing the use of abstract ma

Since the publication of "Spectral Methods in Fluid Dynamics" 1988, spectral methods have become firmly established as a mainstream tool for scientific and engi

This text discusses spectral graph theory.