A two point boundary value problem for neutral functional differential equations

Author(s):  
Y. G. Sficas ◽  
S. K. Ntouyas

SynopsisThis paper is concerned with the existence of solutions of a two point boundary value problem for neutral functional differential equations. We consider the problemwhere M and N are n × n matrices. This is examined by using the “shooting method”. Also, an example is given to illustrate how our result can be applied to yield the existence of solutions of a periodic boundary value problem.

1991 ◽  
Vol 14 (3) ◽  
pp. 509-516 ◽  
Author(s):  
S. K. Ntouyas ◽  
P. Ch. Tsamatos

In this paper, using a simple and classical application of the Leray-Schauder degree theory, we study the existence of solutions of the following boundary value problem for functional differential equationsx″(t)+f(t,xt,x′(t))=0,   t∈[0,T]x0+αx′(0)=hx(T)+βx′(T)=ηwheref∈C([0,T]×Cr×ℝn,ℝn),h∈Cr,η∈ℝnandα,β, are real constants.


1997 ◽  
Vol 10 (2) ◽  
pp. 157-168
Author(s):  
S. K. Ntouyas ◽  
P. Ch. Tsamatos

In this paper we study the existence of solutions to initial and boundary value problems of partial functional differential equations via a fixed-point analysis approach. Using the topological transversality theorem we derive conditions under which an initial or a boundary value problem has a solution.


Symmetry ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 1456 ◽  
Author(s):  
Nataliya Dilna ◽  
Michal Fečkan ◽  
András Rontó

It is shown that a class of symmetric solutions of scalar non-linear functional differential equations can be investigated by using the theory of boundary value problems. We reduce the question to a two-point boundary value problem on a bounded interval and present several conditions ensuring the existence of a unique symmetric solution.


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