Roman V. Belavkin. Law of Cosines and Shannon-Pythagorean Theorem for Quantum Information. In Frank Nielsen, Frédéric Barbaresco, editors, Geometric Science of Information - First International Conference, GSI 2013, Paris, France, August 28-30, 2013. Proceedings. Volume 8085 of Lecture Notes in Computer Science, pages 369-376, Springer, 2013. [doi]
Abstract is missing.