Positive solutions of m-point boundary value problems for higher order ordinary differential equations

2007 ◽  
Vol 66 (7) ◽  
pp. 1573-1586 ◽  
Author(s):  
Yanping Guo ◽  
Jiwei Tian
1994 ◽  
Vol 1 (1) ◽  
pp. 31-45
Author(s):  
I. Kiguradze ◽  
G. Tskhovrebadze

Abstract The sufficient conditions of solvability and unique solvability of the two-point boundary value problems of Vallèe-Poussin and Cauchy-Niccoletti have been found for a system of ordinary differential equations of the form u (n) = ƒ(t, u, u′, . . . , u (n – 1)), where the vector function has nonintegrable singularities with respect to the first argument at the points a and b.


2013 ◽  
Vol 18 (3) ◽  
pp. 309-324 ◽  
Author(s):  
Johnny Henderson ◽  
Rodica Luca

We investigate the existence of positive solutions for systems of singular nonlinear higher-order differential equations subject to multi-point boundary conditions.


2014 ◽  
Vol 58 (1) ◽  
pp. 183-197 ◽  
Author(s):  
John R. Graef ◽  
Johnny Henderson ◽  
Rodrica Luca ◽  
Yu Tian

AbstractFor the third-order differential equationy′″ = ƒ(t, y, y′, y″), where, questions involving ‘uniqueness implies uniqueness’, ‘uniqueness implies existence’ and ‘optimal length subintervals of (a, b) on which solutions are unique’ are studied for a class of two-point boundary-value problems.


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