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Gaussian bounds for the Dirichlet heat kernel

โœ Scribed by M van den Berg


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
475 KB
Volume
88
Category
Article
ISSN
0022-1236

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A lower bound for the heat kernel
โœ Jeff Cheeger; Shing-Tung Yau ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 579 KB

Institute for Advanced Study ## 0. Introduction In this note we give an estimate from below for the fundamental solution of the heat equation on an open metric ball BR(x), of radius R, in a Riemannian manifold M". We assume that, for all r < R, B,(x) is compact. The estimate is in the form of a co