赫利引理的推广及其应用(英文)
A Generalization of Helly Lemma and Its Applications
摘要
有界变差函数赫利引理的推广并利用它去证明微分方程的存在性定理.
A generalization of the Helly lemma for usual functions of bounded variation is given. And its application to the proof of the existence theorem of differential equations is studied.
出处
《北京工业大学学报》
CAS
CSCD
1997年第2期75-80,共6页
Journal of Beijing University of Technology
关键词
微分方程
绝对连续函数
赫利引理
存在性定理
differential equation, functions of bounded variation, absolutely continuous function
参考文献3
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1Wu Congxin,辽宁大学学报,1986年,2期,1页
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2Lin Jingrong,数学进展,1957年,3期,628页
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3李子平,四川大学学报,1956年,2期,69页