Entropy-cost inequalities for diffusion semigroups with curvature unbounded below
HTML articles powered by AMS MathViewer
- by Feng-Yu Wang
- Proc. Amer. Math. Soc. 136 (2008), 3331-3338
- DOI: https://doi.org/10.1090/S0002-9939-08-09237-X
- Published electronically: May 5, 2008
- PDF | Request permission
Abstract:
The weighted log-Sobolev inequality and the entropy-cost inequality are established for a class of diffusion semigroups with curvature unbounded below. Concrete examples are presented to illustrate the main results.References
- Marc Arnaudon, Anton Thalmaier, and Feng-Yu Wang, Harnack inequality and heat kernel estimates on manifolds with curvature unbounded below, Bull. Sci. Math. 130 (2006), no. 3, 223–233. MR 2215664, DOI 10.1016/j.bulsci.2005.10.001
- D. Bakry, On Sobolev and logarithmic Sobolev inequalities for Markov semigroups, New trends in stochastic analysis (Charingworth, 1994) World Sci. Publ., River Edge, NJ, 1997, pp. 43–75. MR 1654503
- Dominique Bakry and Michel Émery, Hypercontractivité de semi-groupes de diffusion, C. R. Acad. Sci. Paris Sér. I Math. 299 (1984), no. 15, 775–778 (French, with English summary). MR 772092
- Sergey G. Bobkov, Ivan Gentil, and Michel Ledoux, Hypercontractivity of Hamilton-Jacobi equations, J. Math. Pures Appl. (9) 80 (2001), no. 7, 669–696. MR 1846020, DOI 10.1016/S0021-7824(01)01208-9
- Jeff Cheeger and David G. Ebin, Comparison theorems in Riemannian geometry, North-Holland Mathematical Library, Vol. 9, North-Holland Publishing Co., Amsterdam-Oxford; American Elsevier Publishing Co., Inc., New York, 1975. MR 0458335
- Mu-Fa Chen and Feng-Yu Wang, Estimation of spectral gap for elliptic operators, Trans. Amer. Math. Soc. 349 (1997), no. 3, 1239–1267. MR 1401516, DOI 10.1090/S0002-9947-97-01812-6
- Jean-Dominique Deuschel and Daniel W. Stroock, Hypercontractivity and spectral gap of symmetric diffusions with applications to the stochastic Ising models, J. Funct. Anal. 92 (1990), no. 1, 30–48. MR 1064685, DOI 10.1016/0022-1236(90)90066-T
- K. D. Elworthy and X.-M. Li, Formulae for the derivatives of heat semigroups, J. Funct. Anal. 125 (1994), no. 1, 252–286. MR 1297021, DOI 10.1006/jfan.1994.1124
- Wilfrid S. Kendall, The radial part of Brownian motion on a manifold: a semimartingale property, Ann. Probab. 15 (1987), no. 4, 1491–1500. MR 905343
- Max-K. von Renesse and Karl-Theodor Sturm, Transport inequalities, gradient estimates, entropy, and Ricci curvature, Comm. Pure Appl. Math. 58 (2005), no. 7, 923–940. MR 2142879, DOI 10.1002/cpa.20060
- Michael Röckner and Feng-Yu Wang, Supercontractivity and ultracontractivity for (non-symmetric) diffusion semigroups on manifolds, Forum Math. 15 (2003), no. 6, 893–921. MR 2010284, DOI 10.1515/form.2003.044
- Feng-Yu Wang, Logarithmic Sobolev inequalities on noncompact Riemannian manifolds, Probab. Theory Related Fields 109 (1997), no. 3, 417–424. MR 1481127, DOI 10.1007/s004400050137
- Feng-Yu Wang, Harnack inequalities for log-Sobolev functions and estimates of log-Sobolev constants, Ann. Probab. 27 (1999), no. 2, 653–663. MR 1698947, DOI 10.1214/aop/1022677381
- Feng-Yu Wang, Equivalence of dimension-free Harnack inequality and curvature condition, Integral Equations Operator Theory 48 (2004), no. 4, 547–552. MR 2047597, DOI 10.1007/s00020-002-1264-y
Bibliographic Information
- Feng-Yu Wang
- Affiliation: School of Mathematical Sciences, Beijing Normal University, Beijing 100875, People’s Republic of China – and – Department of Mathematics, Swansea University, SA2 8PP, Wales, United Kingdom
- Email: wangfy@bnu.edu.cn, F.Y.Wang@swansea.ac.uk
- Received by editor(s): August 15, 2006
- Received by editor(s) in revised form: April 12, 2007
- Published electronically: May 5, 2008
- Additional Notes: This work was supported in part by the Creative Research Group Fund of the National Natural Science Foundation of China (No. 10121101) and RFDP(20040027009).
- Communicated by: Richard C. Bradley
- © Copyright 2008 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 136 (2008), 3331-3338
- MSC (2000): Primary 58G32, 60J60
- DOI: https://doi.org/10.1090/S0002-9939-08-09237-X
- MathSciNet review: 2407100