Energy consumption of hotel can be a hot topic in smart city. To find the key impact factors of energy consumption to realize the energy saving target. This paper examined the …
We consider a class of two- dimensional nonlinear dynamic system with a forced term on a time scale T and obtain sufficient conditions for all solutions of the system to be …
借助时间尺度的有关理论,运用不动点定理和不等式技巧研究时间尺度上一类非线性动力系统的渐近性和振动性。给出具有某种渐近性的非振动解存在和所有解振动的充要条件,推广并改进已有某些结果。
We consider a class of nonlinear two-dimensional dynamic systems of the neutral type (x(t) - a(t)x(tau(1)(t)))(Delta) = p(t)f(1)(y(t)), y(Delta)(t) = -q(t)f(2)(x(tau(2)(t))). We …
借助时间尺度上的有关理论和不动点定理,研究一类较为广泛的时间尺度上高阶带强迫项非线性中立型动力方程,建立该类方程非振动解存在的充要条件。所得结果推广和改进了已有的结论,并通过一个例子阐述主要结果。
We consider the nonlinear dynamic system x(Delta)(t) = a(t)g(y(t)), y(Delta)(t) = -f(t, x(sigma)(t)). We establish some necessary and sufficient conditions for the existence of …
借助时间尺度上的有关理论和Banach压缩映射原理,研究一类较为广泛的时间尺度上高阶带强迫项中立型动力方程正解的存在性。建立该类方程正解存在的几个新的充分条件,并给出一个例子验证所得结果。
This paper is concerned with the oscillation problem of functional differential systems of the form x'(t) = Q_0x(t) +(?) dη(0)x(t +θ),where Q_0 andη(θ) are in R~ (n×n).Based on its …
Based on the development mechanism of BA growing networks, by a bipartite graph a model has been given which aims at a stationary growing social collaboration-competition network …
