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ON THE EXISTENCE OF NONTRIVIAL PERIODIC SOLUTIONS OF DIFFERENTIAL DIFFERENCE EQUATIONS

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摘要 Thispapercosiderstheexistenceofnontrivialperiodicsolutionsofthedifferentialdifferenceequationsx′(t)=-f(x(t-1)),x′(t)=-(f(x(t-1)+f(x(t-2))),and(x′(t)=f(x(t),y(t),x(t-1),y(t-1)),y′(t)=g(x(t),y(t),x(t-1),y(t-1)).)Somenewexistencecriteriaareobtained.

DOI 54kwlxe04k/1073609

作者王克

机构地区不详

出处《数学年刊：B辑英文版》 1990年4期

关键词 nontrivial PROOF UNBOUNDED ordinary 云一必华

分类 [理学][基础数学]

出版日期 1990年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）

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来源期刊

数学年刊：B辑英文版

数学年刊：B辑英文版

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相关关键词

nontrivial PROOF UNBOUNDED ordinary 云一必华

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