A Class of Coupled Causal Differential Equations

In this thesis, we consider the existence of extreme solutions to a class of coupled causal differential equations. By utilizing two comparison theorems and a monotone iterative technique, we have obtained sufficient conditions under which the equations have extreme solutions. One practical example...

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Bibliographic Details
Main Authors: Wen-Li Wang, Jing-Feng Tian, Wing-Sum Cheung
Format: Article
Language:English
Published: MDPI AG 2018-09-01
Series:Symmetry
Subjects:
Online Access:http://www.mdpi.com/2073-8994/10/10/421