2021
DOI: 10.1007/s00526-021-02044-z
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Harnack’s inequality for doubly nonlinear equations of slow diffusion type

Abstract: In this article we prove a Harnack inequality for non-negative weak solutions to doubly nonlinear parabolic equations of the form $$\begin{aligned} \partial _t u - {{\,\mathrm{div}\,}}{\mathbf {A}}(x,t,u,Du^m) = {{\,\mathrm{div}\,}}F, \end{aligned}$$ ∂ t … Show more

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Cited by 7 publications
(7 citation statements)
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“…Indeed, when 0 < q ≤ p − 1, weak solutions are locally bounded, cf. [19]. The optimality of the range of p and q given in Corollary 1.7 is shown in the following counterexamples, built on the analogous ones for the fast diffusion equation given in [53,67] or for the parabolic p-Laplacian considered in [10].…”
Section: Optimalitymentioning
confidence: 94%
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“…Indeed, when 0 < q ≤ p − 1, weak solutions are locally bounded, cf. [19]. The optimality of the range of p and q given in Corollary 1.7 is shown in the following counterexamples, built on the analogous ones for the fast diffusion equation given in [53,67] or for the parabolic p-Laplacian considered in [10].…”
Section: Optimalitymentioning
confidence: 94%
“…In particular, our Theorem 1.10 includes Theorems 1.2 & 16.2 in [31,Chapter 6] as special cases and offers a unified perspective in a larger framework. A Harnack inequality for the complete slow diffusion range can be found in [19].…”
Section: Harnack's Inequalitymentioning
confidence: 99%
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“…1 2 and properly adjusting the Hölder exponent, we obtain the power-like decay of oscillation ess osc…”
Section: Consequently Iterating the Above Recursive Inequality We Obt...mentioning
confidence: 99%