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On nonexistence of positive solutions of quasi-linear inequality on Riemannian manifolds

Author: Yuhua Sun
Journal: Proc. Amer. Math. Soc. 143 (2015), 2969-2984
MSC (2010): Primary 35J61; Secondary 58J05
Published electronically: March 18, 2015
MathSciNet review: 3336621
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Abstract: We investigate the nonexistence of a positive solution to the following differential inequality:

$\displaystyle div(\vert\nabla u\vert^{m-2}\nabla u)+u^{\sigma }\leq 0,$ (1)

on a noncompact complete Riemannian manifold, where $ m>1$ and $ \sigma >m-1$ are parameters. Our main result is as follows: If the volume of a geodesic ball of radius $ r$ with a fixed center $ x_0$ is bounded for large enough $ r$ by $ Cr^{p}\ln ^qr$, where $ p=\frac {m\sigma }{\sigma -m+1}, q=\frac {m-1}{\sigma -m+1}$, then (1) has no positive weak solution.

We also show the sharpness of the parameters $ p, q$.

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Additional Information

Yuhua Sun
Affiliation: Department of Mathematics, University of Bielefeld, 33501 Bielefeld, Germany
Address at time of publication: School of Mathematical Sciences and LPMC, Nankai University, Tianjin 300071, People’s Republic of China

Keywords: Quasi-linear inequalities, critical exponent, Riemannian manifold, volume growth
Received by editor(s): February 10, 2014
Published electronically: March 18, 2015
Communicated by: Joachim Krieger
Article copyright: © Copyright 2015 American Mathematical Society

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