A class of structured multi-linear system defined by strong Mz-tensors is considered.We prove that the multi-linear syst......

社会统计分析是社会研究方法中十分重要的一部分,因为定量研究所得的原始资料在经过审核、整理与汇总之后,需要进行科学系统的统计......

KdV6方程是一个具有Painleve性质的新的可积系统，拥有无穷多个非全局对称，具有双哈密顿结构．主要利用多线性分离变量法研究（1＋1）维的KdV6......

With respect to groundwater deterioration from human activities a unique situation of co-disposal of non-engineered Muni......