Special Edition I (2009)

Honoring the Career of John Graef
on the Occasion of His Sixty-Seventh Birthday

edited by: P. Eloe and J. Henderson

• P. Eloe and J. Henderson: Preface, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 0., pp. 1-3.
• M. Adivar and Y. Raffoul: Existence of periodic solutions in totally nonlinear delay dynamic equations , E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 1., pp. 1-20.
• J. Ali, D. Perry, S. Sasi, J. Schaefer, B. Schilling, R. Shivaji and M. Williams: Population dynamics with symmetric and asymmetric harvesting, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 2., pp. 1-16.
• F. M. Atici and P. Eloe: Discrete fractional calculus with the nabla operator, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 3., pp. 1-12.
• R. I. Avery and D. R. Anderson: Green's function of a centered partial difference equation, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 4., pp. 1-12.
• G. M. Ballard and J. V. Baxley: The Friedrichs extension of certain singular differential operators, II, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 5., pp. 1-11.
• M. Bartusek: On noncontinuable solutions of differential equations with delay, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 6., pp. 1-16.
• B. P. Belinskiy and J. V. Matthews: Some nonlinear and nonlocal Sturm-Liouville problems motivated by the problem of flutter, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 7., pp. 1-15.
• M. Benchohra and D. Seba: Impulsive fractional differential equations in Banach spaces, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 8., pp. 1-14.
• Z. Dosla, M. Cecchi and M. Marini: Asymptotic problems for differential equations with bounded $\Phi$-Laplacian, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 9., pp. 1-18.
• Zengji Du and Lingju Kong: Existence of three solutions for sytems of multi-point boundary value problems, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 10., pp. 1-17.
• J. Ehme: Uniqueness implies existence of solutions for nonlinear $(k;j)$ point boundary value problems for nth order differential equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 11., pp. 1-9.
• Chengjun Guo, D. O'Regan, Yuantong Xu and R. P. Agarwal: Existence of periodic solutions for a class of even order differential equations with deviating argument, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 12., pp. 1-12.
• L. Hatvani: On the critical values of parametric resonance in Meissner's equation by the method of difference equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 13., pp. 1-10.
• J. Henderson: Boundary value problems for third order differential equations by solution matching, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 14., pp. 1-9.
• G. Infante and P. Pietramala: A cantilever equation with nonlinear boundary conditions, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 15., pp. 1-14.
• E. Kaufmann: A third order nonlocal boundary value problem at resonance, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 16., pp. 1-11.
• R. A. Khan: Quasilinearization method and nonlocal singular three point boundary value problems, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 17., pp. 1-13.
• Qingkai Kong and Min Wang: Positive solutions of second order nonlinear difference boundary value problems, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 18., pp. 1-15.
• C. Kunkel: Singular higher order boundary value problems for ordinary differential equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 19., pp. 1-11.
• Man Kam Kwong and James S. W. Wong: Some remarks on three-point and four-point BVP's for second-order nonlinear differential equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 20., pp. 1-18.
• S. McArthur and N. Kosmatov: A note on the second order boundary value problem on a half-line, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 21., pp. 1-8.
• S. K. Ntouyas: Neumann boundary value problems for impulsive differential inclusions, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 22., pp. 1-13.
• A. Ouahab: Filippov's theorem for impulsive differential inclusions with fractional order, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 23., pp. 1-23.
• M. Rudd and C. C. Tisdell: Positive symmetric solutions of singular semipositone boundary value problems, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 24., pp. 1-10.
• E. Thandapani, R. Karunakaran and I. M. Arockiasamy: Bounded nonoscillatory solutions of neutral type difference systems, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 25., pp. 1-8.
• Haiyan Wang: Convex solutions of systems arising from Monge-Ampere equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 26., pp. 1-8.
• Liancheng Wang and Xiaoqin P. Wu: Bifurcation analysis of a Kaldor-Kalecki model of business cycle with time delay, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 27., pp. 1-20.
• Tingxiu Wang: Inequalities of solutions of Volterra integral and differential equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 28., pp. 1-10.
• J. R. L. Webb: Positive solutions of some higher order nonlocal boundary value problems, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 29., pp. 1-15.
• Patricia J. Y. Wong: Solutions for singular Volterra integral equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 30., pp. 1-15.
• Bo Yang: Positive solutions for the $(n,p)$ boundary value problem , E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 31., pp. 1-13.
• Bo Zhang: Liapunov functionals and periodicity in a system of nonlinear integral equations, E. J. Qualitative Theory of Diff. Equ., Spec. Ed. I, 2009 No. 32., pp. 1-15.