LaSalle Oscillation Theorem LaSalle平衡振荡定理
complex oscillation theorem 复振荡理论
Leighton's oscillation theorem Leighton振动定理
This paper obtains a new oscillation theorem of high-order differential equation with damping.
本文建立了具有阻尼项的高阶微分方程新的振动定理。
The nonexistence theorem of radial positive solution, sufficient conditions of oscillation and boundedness of radial solution and estimation for bounded solution are given in this paper.
给出了问题径向正解的非存在性，解的振荡性及有界性的充分条件，并对有界解进行了估计。
By means of the comparison theorem, and the oscillation of some non-linear partial difference equations is discussed and some concise conditions and authenticity are given.
给出系统振动的比较定理，利用比较定理讨论了一类非线性偏差分方程的振动性，给出简单的判别条件及证明。
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