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Open Accesshttps://doi.org/10.1016/j.aml.2015.11.012
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Cite Journal: Applied Mathematics Letters |  Publication Date: Dec 7, 2015 |
 Citations: 3 |  License type: publisher-specific-oa |
Affiliation: Michigan State University
In Fritz John's famous paper (1979), he discovered that for the wave equation $\Box u=|u|^p$, where $1<p<1+\sqrt{2}$ and $\Box$ denoting the d'Alembertian, there is no global solution for any nontrivial and compactly supported initial data. This paper is intended to simplify his proof by applying a Gronwall's type inequality.
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