一维离散椭圆共振问题解的多重性

张福伟; 刘进生

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一维离散椭圆共振问题解的多重性

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- 一维离散椭圆共振问题解的多重性
- 一维离散椭圆共振问题解的多重性
- Issue 1, (2012)
- 作者机构：
  
  太原理工大学数学学院
- 作者简介：
- 基金信息：
- DOI：
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- Published：2012
- 稿件说明：
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张福伟, 刘进生. 一维离散椭圆共振问题解的多重性[J]. 2012, (1).
DOI：

张福伟, 刘进生. 一维离散椭圆共振问题解的多重性[J]. 2012, (1). DOI：

摘要

利用变分方法与临界点理论

特别是临界群与Morse理论

结合矩阵理论与空间维数

同时考虑正、负能量泛函的临界点

研究了一维非线性离散椭圆共振问题解的多重性.在一定的假设条件下

得到了此类问题至少存在两个非零解的两类新的充分条件

并给出了具体应用的实例.结果表明:在相同的假设条件下

一维共振问题比多维共振问题得到的解更多.

Abstract

By using the variational method and critical point theory

especially critical group and Morse theory

combined with the matrix theory and space dimension

taking into account the critical points of both positive and negative energy functional

the multiplicity of solutions of 1-dimensional nonlinear discrete elliptic resonant problem was investigated.Under some assumptions

two kinds of new sufficient conditions were obtained under which there exist at least two nonzero solutions.An example was given to verify the obtained results.The results showed that

under the same assumptions

the number of known solutions of 1-dimensional resonant problem is more than that of multidimensional resonant problem.

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