A blow-up criterion for a p-Laplacian-type pseudo-parabolic equation involving singular potential and logarithmic source

Hui Yang

Electronic Research Archive ›› 2026, Vol. 34 ›› Issue (5) : 2868 -2882.

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Electronic Research Archive ›› 2026, Vol. 34 ›› Issue (5) :2868 -2882. DOI: 10.3934/era.2026130
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A blow-up criterion for a p-Laplacian-type pseudo-parabolic equation involving singular potential and logarithmic source
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Abstract

The main goal of this paper was to develop new skills to investigate the blow-up properties of solutions to an initial-boundary value problem for a p-Laplacian-type pseudo-parabolic equation with singular potential and logarithmic source. By establishing a crucial reverse Sobolev inequality, we derived that the solutions blow up in finite time under a new blow-up criterion and we estimated the lifespan of the weak solutions from both above and below. It is worthy to point out that our blow-up criterion implies that this problem admits finite time blow-up solutions at an arbitrarily high initial energy level. From methods to results, we partially extended some results obtained in recent literatures.

Keywords

pseudo-parabolic equation / p-Laplacian / singular potential / logarithmic nonlinearity / arbitrarily high initial energy / blow-up / lifespan

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Hui Yang. A blow-up criterion for a p-Laplacian-type pseudo-parabolic equation involving singular potential and logarithmic source. Electronic Research Archive, 2026, 34 (5) : 2868-2882 DOI:10.3934/era.2026130

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