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Complete Logarithmic Sobolev Inequalities via Ricci Curvature Bounded Below II

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arxiv 2008.12038 v1 pith:GEEK7OBI submitted 2020-08-27 math.OA

Complete Logarithmic Sobolev Inequalities via Ricci Curvature Bounded Below II

classification math.OA
keywords curvaturefreecompletegroupriccialgebrasamalgamatedbound
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Using a non-negative curvature condition, we prove the complete version of modified log-Sobolev inequalities for central Markov semigroups on various compact quantum groups, including group von Neumann algebras, free orthogonal group and quantum automorphism groups. We also prove that the "geometric Ricci curvature lower bound" introduced by Junge-Li-LaRacuente is stable under tensor products and amalgamated free products. As an application, we obtain the geometric Ricci curvature lower bound and complete modified logarithmic Sobolev inequality for word-length semigroups on free group factors and amalgamated free product algebras.

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Cited by 1 Pith paper

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  1. Intertwining Properties for Bimodule Quantum Markov Semigroups

    math.OA 2026-06 unverdicted novelty 5.0

    The authors investigate intertwining properties for bimodule GNS- and KMS-symmetric quantum Markov semigroups, compare them to Bakry-Émery estimates obtained from quantum Fourier analysis, and supply examples.