John R. Graef

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 10

Top Topics

Differential Equations

Boundary Value Problem

Positive And Negative

Top Venues

Appl. Math. Lett.

Math. Model. Anal.

Math. Comput. Simul.

Publications

John R. Graef, Kadda Maazouz, Moussa Daif Allah Zaak
A Comprehensive Study of the Langevin Boundary Value Problems with Variable Order Fractional Derivatives. Axioms 13 (4) (2024)
Shahin Moradi, Ghasem Alizadeh Afrouzi, John R. Graef
Existence of Multiple Weak Solutions to a Discrete Fractional Boundary Value Problem. Axioms 12 (10) (2023)
John R. Graef
Oscillation of higher order functional differential equations with an advanced argument. Appl. Math. Lett. 111 (2021)
John R. Graef, Cemil Tunç, Hamdullah Sevli
Razumikhin qualitative analyses of Volterra integro-fractional delay differential equation with caputo derivatives. Commun. Nonlinear Sci. Numer. Simul. 103 (2021)
John R. Graef, Lingju Kong, Andrew H. Ledoan, Min Wang
Stability analysis of a fractional online social network model. Math. Comput. Simul. 178 (2020)
Said R. Grace, John R. Graef
Oscillatory Behavior of Higher order nonlinear difference equations. Math. Model. Anal. 25 (4) (2020)
Said R. Grace, John R. Graef, Ercan Tunç
On the boundedness of nonoscillatory solutions of certain fractional differential equations with positive and negative terms. Appl. Math. Lett. 97 (2019)
Said R. Grace, John R. Graef
Oscillatory Behavior of second order nonlinear differential equations with a Sublinear neutral Term. Math. Model. Anal. 23 (2) (2018)
Said R. Grace, John R. Graef
On the asymptotic behavior of solutions of certain forced third order integro-differential equations with δ-Laplacian. Appl. Math. Lett. 83 (2018)
John R. Graef, Lingju Kong, Bo Yang
Positive solutions for a fractional boundary value problem. Appl. Math. Lett. 56 (2016)
John R. Graef, Lingju Kong, Min Wang
A Chebyshev spectral method for solving Riemann-Liouville fractional boundary value problems. Appl. Math. Comput. 241 (2014)
Said R. Grace, John R. Graef, Agacik Zafer
Oscillation of integro-dynamic equations on time scales. Appl. Math. Lett. 26 (4) (2013)
Said R. Grace, John R. Graef, Mohamed A. El-Beltagy
On the oscillation of third order neutral delay dynamic equations on time scales. Comput. Math. Appl. 63 (4) (2012)
John R. Graef, Lingju Kong
Positive solutions for a class of higher order boundary value problems with fractional q-derivatives. Appl. Math. Comput. 218 (19) (2012)
John R. Graef, Lingju Kong, Feliz M. Minhós
Higher order boundary value problems with phi-Laplacian and functional boundary conditions. Comput. Math. Appl. 61 (2) (2011)
John R. Graef, Lingju Kong
Periodic solutions of first order functional differential equations. Appl. Math. Lett. 24 (12) (2011)
John R. Graef, Lingju Kong
Existence of multiple periodic solutions for first order functional differential equations. Math. Comput. Model. 54 (11-12) (2011)
Abdulkadir Dogan, John R. Graef, Lingju Kong
Higher order semipositone multi-point boundary value problems on time scales. Comput. Math. Appl. 60 (1) (2010)
John R. Graef, Seshadev Padhi, Shilpee Srivastava
Dynamics of a fishing model. Neural Parallel Sci. Comput. 18 (1) (2010)
John R. Graef, Toufik Moussaoui
A class of nth-order BVPs with nonlocal conditions. Comput. Math. Appl. 58 (8) (2009)
John R. Graef, Lingju Kong
Positive solutions for third order semipositone boundary value problems. Appl. Math. Lett. 22 (8) (2009)
John R. Graef, Lingju Kong, Haiyan Wang
A periodic boundary value problem with vanishing Green's function. Appl. Math. Lett. 21 (2) (2008)
John R. Graef, Abdelghani Ouahab
Existence results for functional semilinear differential inclusions in Fréchet spaces. Math. Comput. Model. 48 (11-12) (2008)
John R. Graef, Abdelghani Ouahab
Extremal solutions for nonresonance impulsive functional dynamic equations on time scales. Appl. Math. Comput. 196 (1) (2008)
John R. Graef, Abdelghani Ouahab
Some existence and uniqueness results for first-order boundary value problems for impulsive functional differential equations with infinite delay in Fréchet spaces. Int. J. Math. Math. Sci. 2006 (2006)