The Monotone Iterative Technique and Periodic Boundary Value Problem for First Order Impulsive Functional Differential Equations

2002 ◽  
Vol 18 (2) ◽  
pp. 253-262 ◽  
Author(s):  
Zhi Min He ◽  
Wei Gao Ge
2017 ◽  
Vol 24 (1) ◽  
pp. 29-39 ◽  
Author(s):  
Eugene I. Bravyi

AbstractThe periodic boundary value problem for linear second order functional differential equations is considered. Sharp sufficient conditions for the positiveness of solutions are obtained.


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