In this paper, we study a class of boundary value problems of even order nonlinear neutral partial functional differential equations with continuous distribution delay.
该文获得了一类具有连续偏差变元的二阶非线性偏泛函微分方程的振动性的充分性条件。
Ecologic model of interaction of two species with nonuniform density distribution, which is defined by a partial functional differential equations system, is discussed.
对用偏泛函微分方程组所描述的密度分布非均匀的两种群相互作用生态模型进行了讨论。
In this paper, oscillation criteria of solutions for a certain partial functional differential equations are obtained.
本文给出一类双曲偏泛函微分方程解的振动準则。