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A lower bound of the norm of the control operator for the heat equation

✍ Scribed by Edgardo N Güichal


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
390 KB
Volume
110
Category
Article
ISSN
0022-247X

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📜 SIMILAR VOLUMES


A lower bound for the heat kernel
✍ Jeff Cheeger; Shing-Tung Yau 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 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