高阶中立型差分方程正解的存在性

Existence of Positive Solutions for Higher Order Neutral Difference Equations

讨论了奇数阶中立型差分方程正解的存在性，在允许中立项系数在１附近振动的条件下，利用在集合上定义映射和构造序列的方法，得出了方程存在正解的充分条件．

Investigate the existence of positive solution for odd order neutral difference equations and obtain some sufficient conditions of existence of a positive solution when the neutral term is allowed to Oscillate about 1.Our main way is to define injection on a set and construct sequence.