Yanbin Sang, Hua Su
By means of fixed point index, we establish sufficient conditions for the existence of positive solutions to p-Laplacian difference equations. In particular, the nonlinear term is allowed to change sign.
Submitted December 16, 2008. Published May 8, 2009.
Math Subject Classifications: 39A10.
Key Words: Difference equations; p-Laplacian; fixed point index; sign changing nonlinearity.
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| Yanbin Sang |
Department of Mathematics, North University of China
Taiyuan, Shanxi, 030051, China
| Hua Su |
School of Statistics and Mathematics
Shandong University of Finance
Jinan, Shandong, 250014, China
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