...高阶微分方程 [gap=556] first-order differential equations; first-order implicit differential equation; high-order differential equations ...
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We mainly study the existence and multiplicity of solutions to high-order differential equations in this paper.
本文主要研究高阶微分方程周期边值问题解的存在性与多重性。
In this paper, we study the existence of positive solutions and the bounded oscillation of a class of high order unstable type neutral differential equations.
本文研究一类不稳定型高阶中立型微分方程正解的存在性与有界振动。
In this paper, some sufficient conditions are obtained for the oscillation solutions of systems with high order partial differential equations of neutral type.
本文获得了一类中立型偏微分方程系统解振动的若干充分条件。
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