期刊文献+

一类半线性椭圆边值问题的多解性

Multiple solutions to a semilinear elliptic boundary value problem
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摘要 利用临界点以及拓扑度理论讨论了一类半线性椭圆型方程边值问题的多解性,得到了适当条件下存在3个解的结论. Multiple solutions to a semilinear elliptic boundary value problem were discussed using the critical point and the theories of topological degree. It was concluded that there are three solutions under suitable conditions.
机构地区 河海大学理学院
出处 《河海大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第4期487-491,共5页 Journal of Hohai University(Natural Sciences)
关键词 鞍点定理 Landesman-Lazer条件 拓扑度 MORSE指标 saddle theorem Landesman-Lazer condition topological degree Morse index
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参考文献10

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