• DML-CZ Home

Author: Graef, John R.

• Padhi, Seshadev; Graef, John R.: Positive solutions of a fourth-order differential equation with integral boundary conditions. (English). Mathematica Bohemica, vol. 148 (2023), issue 4, pp. 583-601
• Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin: Existence results for impulsive fractional differential equations with $p$-Laplacian via variational methods. (English). Mathematica Bohemica, vol. 147 (2022), issue 1, pp. 95-112
• Graef, John R.; Beldjerd, Djamila; Remili, Moussadek: On stability, boundedness, and square integrability of solutions of certain third order neutral differential equations. (English). Mathematica Bohemica, vol. 147 (2022), issue 3, pp. 285-299
• Zahed, Ahmed; Hamani, Samira; Graef, John R.: Boundary value problems for Hadamard-Caputo implicit fractional differential inclusions with nonlocal conditions. (English). Archivum Mathematicum, vol. 57 (2021), issue 5, pp. 285-297
• Graef, John R.; Kong, Lingju; Kong, Qingkai; Yang, Bo: Second order boundary value problems with sign-changing nonlinearities and nonhomogeneous boundary conditions. (English). Mathematica Bohemica, vol. 136 (2011), issue 4, pp. 337-356
• Graef, John R.; Kong, Lingju; Yang, Bo: Positive solutions for third order multi-point singular boundary value problems. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 1, pp. 173-182
• Graef, John R.; Yang, Bo; Zhang, B. G.: Existence of nonoscillatory and oscillatory solutions of neutral differential equations with positive and negative coefficients. (English). Mathematica Bohemica, vol. 124 (1999), issue 1, pp. 87-102
• Bartušek, Miroslav; Došlá, Zuzana; Graef, John R.: The nonlinear limit-point/limit-circle problem for higher order equations. (English). Archivum Mathematicum, vol. 34 (1998), issue 1, pp. 13-22
• Thandapani, Ethiraju; Sundaram, P.; Graef, John R.; Spikes, Paul W.: Asymptotic behaviour and oscillation of solutions of neutral delay difference equations of arbitrary order. (English). Mathematica Slovaca, vol. 47 (1997), issue 5, pp. 539-551
• Thandapani, E.; Sundaram, P.; Graef, John R.; Miciano, A.; Spikes, Paul W.: Classification of nonoscillatory solutions of higher order neutral type difference equations. (English). Archivum Mathematicum, vol. 31 (1995), issue 4, pp. 263-277
• Graef, John R.; Spikes, Paul W.: Continuability, boundedness, and convergence to zero of solutions of a perturbed nonlinear ordinary differential equation. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 4, pp. 663-683
• Graef, John R.; Spikes, Paul W.: On the oscillatory behavior of solutions of second order nonlinear differential equations. (English). Czechoslovak Mathematical Journal, vol. 36 (1986), issue 2, pp. 275-284