This research is supported by National Natural Sciences Foundation of People’s Republic of China and Natural Sciences Foundation of Yunnan Province.
机构署名：
本校为其他机构
院系归属：
数理学院
摘要：
Necessary and sufficient conditions for the existence and classification of positive solutions of the higher order neutral differential equations were obtained. Some lemmas were introduced which were useful in the proofs of the results. The results show that the higher order neutral differential equation has an eventually positive solution...
