Peter Petersen

This book introduces all the important topics in the field: complex vector spaces, complex inner products, the Spectral theorem for normal operators, dual spaces, the minimal polynomial, the Jordan canonical form and more. Meer

This comprehensive introduction to Riemannian Geometry offers a detailed and engaging account of the topic, plus numerous exercises and examples. It combines both the geometric parts of Riemannian geometry and the analytic aspects of the theory, and reviews the latest research. Meer

PETER PETERSEN Kunsttherapeutische Forschung ist Brachland, jedenfalls im Ver­ gleich zur psychotherapeutischen und zur medizinischen Forschung. Das mag verstandlich sein aus der Tatsache, daB Kunsttherapien im strengeren Sinn sich erst im Laufe dieses lahrhunderts entwickelt ha­ ben. Meer

Music and rhythm are discussed anew in this book: Besides the primary notated rhythms, there are secondary rhythms that depend on components, namely on the properties and qualities of sounds and sound formations. Meer