Obtaining upper bounds of heat kernels f
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Alexander Grigorβ²yan; Jiaxin Hu; Ka-Sing Lau
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Article
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2008
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John Wiley and Sons
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English
β 188 KB
## Abstract We show that a __nearβdiagonal lower__ bound of the heat kernel of a Dirichlet form on a metric measure space with a regular measure implies an __onβdiagonal__ upper bound. If in addition the Dirichlet form is local and regular, then we obtain a __full offβdiagonal upper__ bound of the