本文主要研究一类带p-Laplkcian算子的四阶微分方程边值问题的正解的存在性和一类带p(t)-Laplacian算子的多点边值问题解的存在性.......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

This paper deals with the existence of solutions to the p(t)-Laplacian equation with four-point boundary conditions. It ......