Abstract
In this paper, instead of energy methods, we apply the supersolution and subsolution methods to investigate the critical extinction exponents for a polytropic filtration equation with absorption and source, and improve the results of Mu et al. (J. Math. Anal. Appl. 2012; 391:429-440).
| Original language | English |
|---|---|
| Pages (from-to) | 1591-1597 |
| Number of pages | 7 |
| Journal | Mathematical Methods in the Applied Sciences |
| Volume | 36 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - Aug 2013 |
Keywords
- critical extinction exponent
- polytropic filtration equation
- supersolutions and subsolutions
Cite this
Wang, Y., & Yin, J. (2013). Critical extinction exponents for a polytropic filtration equation with absorption and source. Mathematical Methods in the Applied Sciences, 36(12), 1591-1597. https://doi.org/10.1002/mma.2708