Geometry of Quantum States: An Introduction to Quantum Entanglement - Ingemar Bengtsson, Karol Zyczkowski - Google Books

https://books.google.de/books?id=aA4vXMbuOTUC&pg=PA386#v=onepage

Quantum information theory is at the frontiers of physics, mathematics and information science, offering a variety of solutions that are impossible using classical theory. This book provides an introduction to the key concepts used in processing quantum…