We survey recent work on the Cramer-Rao inequality by Hasagawa and Petz; the notion of information manifold in infinite-dimensional Hilbert spaces is introduced, and the extension by Grasselli and the author to quadratic form perturbations is summarised.
- Pub Date:
- February 2000
- Mathematical Physics;
- Mathematics - Mathematical Physics;
- Mathematics - Probability;
- Lectures given at the Conference on `Quantum information, measurement and computing', Kyoto 25-27 Jan 2000. Proceedings edited by M. Ohya and N. Watanabe