证明了除环上每个行列有限的无限方阵必与唯一的正则范式正则等价。...

定义了除环上无限方阵的余秩和正则等价，证明了除环上每个行列有限的无限方阵的余秩存在且唯一。......

A food chain made up of two typical algae and a zooplankton was considered. Based on ecological eutrophication, interact......