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利用改进的较宽松的系数条件,研究了右半平面上Laplace-Stieltjes变换所表示的解析函数的增长性,给出了两个充分必要条件,推广了先前一些文献的结果. 相似文献
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One new theorem for Caputo fractional derivative and two new theorems for Caputo fractional order systems, when 1 a 2, are proposed in this paper. The results have proved to be useful in order to apply the fractional-order extension of Lyapunov direct method, to demonstrate the instability and the stability of many fractional order systems,which can be nonlinear and time varying. 相似文献
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考察耦合抛物方程组:ut=Δu+|x|mup1vq1,(x,t)∈RN×(0,T)vt=Δv+|x|nup2vq2,(x,t)∈RN×(0,T)u(x,0)=u0(x)x∈RNv(x,0)=v0(x)x∈RN得到了:当δ≠0,max{α,β}>N/2时,方程组所有正解的都是爆破的,当δ≠0,max{α,β}相似文献
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