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[期刊论文] 作者:LiuYuji,GeWeigao,
来源:高校应用数学学报:英文版 年份:2003
The nonlinear differential equation x′(t)=-δ(t)x(t)+f(t,x(t))(*) is considered,where δ(t) is a periodic function of periodic T,f(t,x) is continuous and perio...
EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATIONS WITH DEVIATIN
[期刊论文] 作者:LuShiping,GeWeigao,
来源:高校应用数学学报:英文版 年份:2002
By means of an abstract continuation theorem, the existence criteria are established for the positive periodic solutions of a neutral functional differential eq...
[期刊论文] 作者:GuiZhanji,GeWeigao,
来源:高校应用数学学报:英文版 年份:2005
By means of continuation theorem of the coincidence degree theory, sufficient conditions are obtained for the existence of periodic solutions of a kind of third...
[期刊论文] 作者:SUNWeiping,GeWeigao,
来源:黑龙江科技学院学报 年份:2000
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:JiaMei,LiuXiping,GeWeigao,
来源:工科数学 年份:1999
Abstract The paper studies the behavior and existence of strong solutions to the second or-der functional-iterative differential equation...
[期刊论文] 作者:严树林,李志艳,葛渭高,YanShulin,LiZhiyan,GeWeigao,
来源:黑龙江科技信息 年份:2014
本文通过对荣华二采区10...
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