Global Structure of Positive Solutions of a Discrete Problem with Sign-Changing Weight

被引：4

作者：

Ma, Ruyun ^{[1
]}

Gao, Chenghua ^{[1
]}

Han, Xiaoling ^{[1
]}

Chen, Xiaoqiang ^{[2
]}

机构：

[1] NW Normal Univ, Dept Math, Lanzhou 730070, Peoples R China

[2] Lanzhou Jiaotong Univ, Sch Automat & Elect Engn, Lanzhou 730070, Peoples R China

来源：

DISCRETE DYNAMICS IN NATURE AND SOCIETY | 2011年 / 2011卷

关键词：

BOUNDARY-VALUE-PROBLEMS; INDEFINITE WEIGHT; EXISTENCE;

D O I：

10.1155/2011/624157

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Let T > 5 be an integer, T = {1, 2, ... , T}. We are concerned with the global structure of positive solutions set of the discrete second-order boundary value problems Delta(2)u(t - 1) + rm(t)f(u(t)) = 0, t is an element of T, u(0) = u(T + 1) = 0, where r is an element of R is a parameter, m : T -> R changes its sign and m(t) not equal 0 for t is an element of T.

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页数：12

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