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Derivative formula and applications for degenerate diffusion semigroups

โœ Scribed by Wang, Feng-Yu; Zhang, Xi-Cheng

Book ID
123024330
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
213 KB
Volume
99
Category
Article
ISSN
0021-7824

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โœ K.D. Elworthy; X.M. Li ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 901 KB

Formulae for the derivatives of solutions of diffusion equations are derived which clearly exhibit, and allow estimation of, the equations' smoothing properties. These also give formulae for the logarithmic gradient of the corresponding heat kernels, extending and giving a very elementary proof of B