On the monotonicity of scalar curvature in classical and quantum information geometry

Details On the monotonicity of scalar curvature in classical and quantum information geometry On the monotonicity of scalar curvature in classical and quantum information geometry

2004-07-06

arxiv.org/abs/math-ph/0407007v2

Physics

Mathematical Physics

20 pages, 2 .eps figures; (v2) section 2 rewritten, typos corrected

Scientific paper

10.1063/1.1834693

We study the statistical monotonicity of the scalar curvature for the alpha-geometries on the simplex of probability vectors. From the results obtained and from numerical data we are led to some conjectures about quantum alpha-geometries and Wigner-Yanase-Dyson information. Finally we show that this last conjecture implies the truth of the Petz conjecture about the monotonicity of the scalar curvature of the Bogoliubov-Kubo-Mori monotone metric.

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