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半线性椭圆边值问题解的存在性 被引量:3
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作者 杨明海 冯志敏 陈越奋 《信阳师范学院学报(自然科学版)》 CAS 2009年第3期345-348,共4页
在推广的Ahmad-Lazer-Paul条件下,利用临界点理论中的鞍点定理得到了椭圆边值共振问题解的存在性.
关键词 二阶椭圆边值问题 Ahmad-Lazer-Paul条件 鞍点定理 弱解
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ON SOLUTIONS TO SEMILINEAR INTEGRODIFFERENTIAL EQUATIONS WITH NONLOCAL CONDITIONS
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作者 Yan Zuomao (Dept. of Math., Hexi University, Zhangye 734000, Gansu) 《Annals of Differential Equations》 2008年第3期361-366,共6页
In this paper, using the theory of resolvent operators, Banach,s contraction prin-ciple and Schauder,s fixed point theorem, we study the existence of integral solutions to semilinear integrodifferential equations unde... In this paper, using the theory of resolvent operators, Banach,s contraction prin-ciple and Schauder,s fixed point theorem, we study the existence of integral solutions to semilinear integrodifferential equations under nonlocal conditions in Banach space. An example is provided to illustrate the results obtained. 展开更多
关键词 existence of solutions integrodifferential equations fixed point theo- rem nonlocal conditions
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