Monotone Solutions of Even-Order Delay Differential Equations
Received:November 13, 2001  
Key Words: delay differetial equation   nonnegative solution   monotone positive solution  
Fund Project:
Author NameAffiliation
OUYANG Zi-gen Dept. of Math. & Phys.
Nanhua University
Hunan
China 
LI Yong-kun Dept. of Math.
Yunnan University
Kunming
China 
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Abstract:
      This paper deals with the existence of monotone solutions of even-order delay dif ferntial equations. Some necessary and sufficent conditions and sufficient conditions for the equations to have monotone positive solutions arc obtained.
Citation:
DOI:10.3770/j.issn:1000-341X.2004.02.022
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