Solvability of infinite systems of second-order differential equations with boundary conditions in ℓP

2019 ◽  
Vol 43 (9) ◽  
pp. 1311-1330 ◽  
Author(s):  
M. Mursaleen ◽  
E. Pourhadi ◽  
R. Saadati
Author(s):  
L. H. Erbe ◽  
H. W. Knobloch

SynopsisWe consider boundary value problems for second order differential systems of the form (1)x” = A(t)x′ + f(t, x) and (2) x” = A(t)x′ + f(t, x) + q(t, x). By assuming the existence of a solution to (1) with a given region in (t, x) space, we derive conditions under which there exists a solution to (2) which stays in a certain neighbourhood of and satisfies given boundary conditions.


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