Author page

John R. Graef

8 articles

Showing 1-8 of 8

Article Title Journal Published
DEA-16-01 Canonical representation of third-order delay dynamic equations on time scales
John R. Graef, Irena Jadlovská
DEA
Differential Equations & Applications
 Volume 16, Issue 1
02/2024
DEA-14-15 Existence of multiple solutions to a P-Kirchhoff problem
John R. Graef, Shapour Heidarkhani, Lingju Kong, Ahmad Ghobadi
DEA
Differential Equations & Applications
 Volume 14, Issue 2
05/2022
DEA-12-13 Oscillatory behavior of second order nonlinear delay differential equations with positive and negative neutral terms
Said R. Grace, John R. Graef, Irena Jadlovská
DEA
Differential Equations & Applications
 Volume 12, Issue 2
05/2020
FDC-08-10 Boundary value problems for Hadamard fractional differential equations with nonlocal multi-point boundary conditions
Wafaa Benhamida, John R. Graef, Samira Hamani
FDC
Fractional Differential Calculus
 Volume 8, Issue 1
06/2018
DEA-09-16 Infinitely many periodic solutions to a class of perturbed second-order impulsive Hamiltonian systems
John R. Graef, Shapour Heidarkhani, Lingju Kong
DEA
Differential Equations & Applications
 Volume 9, Issue 2
05/2017
DEA-06-12 Nontrivial solutions for systems of Sturm-Liouville boundary value problems
John R. Graef, Shapour Heidarkhani, Lingju Kong
DEA
Differential Equations & Applications
 Volume 6, Issue 2
05/2014
FDC-02-06 Application of the mixed monotone operator method to fractional boundary value problems
John R. Graef, Lingju Kong, Qingkai Kong
FDC
Fractional Differential Calculus
 Volume 2, Issue 1
06/2012
DEA-03-22 Positive solutions to a two point singular boundary value problem
Abdelhamid Benmezaï, John R. Graef, Lingju Kong
DEA
Differential Equations & Applications
 Volume 3, Issue 3
08/2011