Graef, John R.; Grace, Said R.; Tunc, Ercan Oscillation of second-order nonlinear noncanonical dynamic equations with deviating arguments. (English) Zbl 1501.34068 Acta Math. Univ. Comen., New Ser. 91, No. 2, 113-120 (2022). Reviewer: Abdullah Özbekler (Ankara) MSC: 34K43 34N05 34K11 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Acta Math. Univ. Comen., New Ser. 91, No. 2, 113--120 (2022; Zbl 1501.34068) Full Text: Link
Pinelas, Sandra (ed.); Graef, John R. (ed.); Hilger, Stefan (ed.); Kloeden, Peter (ed.); Schinas, Christos (ed.) Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1–5, 2019. (English) Zbl 1445.34003 Springer Proceedings in Mathematics & Statistics 333. Cham: Springer (ISBN 978-3-030-56322-6/hbk; 978-3-030-56323-3/ebook). ix, 778 p. (2020). MSC: 34-06 34Kxx 34A08 34B15 34A60 65L05 35-06 35Q35 35Q53 39Axx 00B25 PDFBibTeX XMLCite \textit{S. Pinelas} (ed.) et al., Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1--5, 2019. Cham: Springer (2020; Zbl 1445.34003) Full Text: DOI
Graef, John (ed.); Shivaji, Rathasingham (ed.); Soni, Bharat (ed.); Zhu, Jiangping (ed.) Proceedings of the fifth Mississippi State conference on differential equations and computational simulations, Mississippi State, MS, USA, May 18–19, 2001. (English) Zbl 1011.00033 Electron. J. Differ. Equ. 2003, Conf. 10, 265 p. (2003). MSC: 00B25 65-06 39-06 39Axx PDFBibTeX XMLCite \textit{J. Graef} (ed.) et al., Electron. J. Differ. Equ. 2003, 265~p. (2003; Zbl 1011.00033)
Graef, J. (ed.); Shivaji, R. (ed.); Soni, B. (ed.); Zhu, J. (ed.) Proceedings of the 4th Mississippi State conference on difference equations and computational simulations. Mississippi State, MS, USA, May 21–22, 1999. (English) Zbl 0942.00040 Electron. J. Differ. Equ. 1999, Conf. 03, 125 p. (1999). MSC: 00B25 65-06 39-06 39Axx PDFBibTeX XMLCite \textit{J. Graef} (ed.) et al., Electron. J. Differ. Equ. 1999, 125~p. (1999; Zbl 0942.00040)
Graef, John (ed.); Shivaji, Rathasingham (ed.); Zhu, Jiangping (ed.); Soni, Bharat (ed.) Special issue on Differential equations and computational simulations II. 2nd Mississippi State conference, Mississippi State, MS, USA, April 7–8, 1995. (English) Zbl 0904.00042 Appl. Math. Comput. 89, No. 1-3, 344 p. (1998). MSC: 00B25 65-06 76-06 PDFBibTeX XML
Graef, J. (ed.); Shivaji, R. (ed.); Soni, B. (ed.); Zhu, J. (ed.) Proceedings of the 3rd Mississippi State Conference on Difference equations and computational simulations. Mississippi State, MS, USA, May 16–17, 1997. (English) Zbl 0906.00021 Electron. J. Differ. Equ. 1997, Conf. 01, 222 p. (18 papers) (1997). MSC: 00B25 65-06 39-06 76-06 PDFBibTeX XML Full Text: EMIS
Graef, John R.; Spikes, Paul W. Asymptotic behavior of solutions of a forced second order neutral delay equation. (English) Zbl 0859.34050 Ann. Differ. Equations 12, No. 2, 137-146 (1996). Reviewer: M.Lizana (Merida) MSC: 34K99 34K40 34C11 34C15 PDFBibTeX XMLCite \textit{J. R. Graef} and \textit{P. W. Spikes}, Ann. Differ. Equations 12, No. 2, 137--146 (1996; Zbl 0859.34050)
Graef, John R.; Spikes, Paul W. Behavior of nonoscillatory solutions of forced second order neutral delay equations. (English) Zbl 0846.34070 Lakshmikantham, V. (ed.), World congress of nonlinear analysts ’92. Proceedings of the first world congress, Tampa, FL, USA, August 19-26, 1992. 4 volumes. Berlin: de Gruyter. 1457-1467 (1996). MSC: 34K99 34K40 34C11 34C15 PDFBibTeX XMLCite \textit{J. R. Graef} and \textit{P. W. Spikes}, in: World congress of nonlinear analysts '92. Proceedings of the first world congress, Tampa, FL, USA, August 19-26, 1992. 4 volumes. Berlin: de Gruyter. 1457--1467 (1996; Zbl 0846.34070)
Lehman, Brad; Graef, John R.; Sahay, Deepak; Shujaee, Khalil Stability of almost periodic systems having a time varying delay. (English) Zbl 0844.34081 J. Math. Anal. Appl. 196, No. 3, 1117-1130 (1995). Reviewer: S.G.Zhuravlev (Moskva) MSC: 34K20 34C27 PDFBibTeX XMLCite \textit{B. Lehman} et al., J. Math. Anal. Appl. 196, No. 3, 1117--1130 (1995; Zbl 0844.34081) Full Text: DOI
Graef, John R.; Spikes, Paul W. Some asymptotic properties of solutions of a neutral delay equation with an oscillatory coefficient. (English) Zbl 0798.34071 Can. Math. Bull. 36, No. 3, 263-272 (1993). Reviewer: T.Havarneanu (Iaşi) MSC: 34K99 34C11 34K40 34C15 PDFBibTeX XMLCite \textit{J. R. Graef} and \textit{P. W. Spikes}, Can. Math. Bull. 36, No. 3, 263--272 (1993; Zbl 0798.34071) Full Text: DOI
Graef, John R.; Spikes, Paul W.; Grammatikopoulos, Myron K. Asymptotic behavior of nonoscillatory solutions of neutral delay differential equations of arbitrary order. (English) Zbl 0788.34072 Nonlinear Anal., Theory Methods Appl. 21, No. 1, 23-42 (1993). Reviewer: W.Šeda (Bratislava) MSC: 34K99 34K40 34K20 34C10 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Nonlinear Anal., Theory Methods Appl. 21, No. 1, 23--42 (1993; Zbl 0788.34072) Full Text: DOI
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Some results on the asymptotic behavior of the solutions of a second order nonlinear neutral delay equation. (English) Zbl 0762.34041 Oscillation and dynamics in delay equations, Proc. Spec. Sess. AMS, San Francisco/CA (USA) 1991, Contemp. Math. 129, 105-114 (1992). Reviewer: A.Halanay (Bucureşti) MSC: 34K99 34K40 34C11 34C15 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Contemp. Math. 129, 105--114 (1992; Zbl 0762.34041)
Graef, John R.; Spikes, Paul W.; Grammatikopoulos, Myron K. On the behaviour of solutions of a first order nonlinear neutral delay differential equation. (English) Zbl 0736.34061 Appl. Anal. 40, No. 2-3, 111-121 (1991). Reviewer: V.Sree Hari Rao (Hyderabad) MSC: 34K99 34C11 34C15 34K40 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Appl. Anal. 40, No. 2--3, 111--121 (1991; Zbl 0736.34061) Full Text: DOI
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Asymptotic properties of solutions of nonlinear neutral delay differntial equations of the second order. (English) Zbl 0662.34070 Rad. Mat. 4, No. 1, 133-149 (1988). MSC: 34K99 34C10 34K25 34E05 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Rad. Mat. 4, No. 1, 133--149 (1988; Zbl 0662.34070)
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Positive solutions of an \(n\)-th order differential equation with a deviating argument having a discontinuity in the nonlinear term. (English) Zbl 0571.34056 Fasc. Math. 14, 41-47 (1985). MSC: 34K99 34C11 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Fasc. Math. 14, 41--47 (1985; Zbl 0571.34056)
Graef, John R.; Rankin, Samuel M. III; Spikes, Paul W. Oscillation results for nonlinear functional differential equations. (English) Zbl 0587.34050 Funkc. Ekvacioj, Ser. Int. 27, 255-260 (1984). Reviewer: M.Tvrdy MSC: 34K99 34C10 34K05 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Funkc. Ekvacioj, Ser. Int. 27, 255--260 (1984; Zbl 0587.34050)
Graef, John R. Nonoscillation of higher order functional differential equations. (English) Zbl 0535.34052 J. Math. Anal. Appl. 92, 524-532 (1983). Reviewer: M.Boudourides MSC: 34K99 34C15 34K25 PDFBibTeX XMLCite \textit{J. R. Graef}, J. Math. Anal. Appl. 92, 524--532 (1983; Zbl 0535.34052) Full Text: DOI
Graef, John R.; Spikes, Paul W.; Grammatikopoulos, Myron K. On the positive solutions of a higher order functional differential equation with a discontinuity. (English) Zbl 0497.34058 Int. J. Math. Math. Sci. 5, 263-273 (1982). MSC: 34K99 34C11 34K25 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Int. J. Math. Math. Sci. 5, 263--273 (1982; Zbl 0497.34058) Full Text: DOI EuDML
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Classification of solutions of functional differential equations of arbitrary order. (English) Zbl 0497.34062 Bull. Inst. Math., Acad. Sin. 9, 517-532 (1981). MSC: 34K25 34K99 34C10 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Bull. Inst. Math., Acad. Sin. 9, 517--532 (1981; Zbl 0497.34062)
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Oscillatory and asymptotic properties of solutions of generalized Thomas- Fermi equations with deviating arguments. (English) Zbl 0491.34057 J. Math. Anal. Appl. 84, 519-529 (1981). MSC: 34K99 34C10 34K25 34E05 PDFBibTeX XMLCite \textit{J. R. Graef} et al., J. Math. Anal. Appl. 84, 519--529 (1981; Zbl 0491.34057) Full Text: DOI
Graef, J. R.; Grammatikopoulos, M. K.; Spikes, P. W. Oscillatory behaviour of differential equations with deviating arguments. (English) Zbl 0464.34048 C. R. Acad. Bulg. Sci. 33, 1443-1446 (1980). MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{J. R. Graef} et al., C. R. Acad. Bulg. Sci. 33, 1443--1446 (1980; Zbl 0464.34048)
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Growth and oscillatory behavior of solutions of a differential equation with a deviating argument. (English) Zbl 0455.34050 Funkc. Ekvacioj, Ser. Int. 23, 279-287 (1980). MSC: 34K99 34C11 PDFBibTeX XMLCite \textit{J. R. Graef} et al., Funkc. Ekvacioj, Ser. Int. 23, 279--287 (1980; Zbl 0455.34050)
Graef, John R.; Grammatikopoulos, Myron K.; Spikes, Paul W. Asymptotic and oscilatory behavior of superlinear differential equations with deviating arguments. (English) Zbl 0447.34068 J. Math. Anal. Appl. 75, 134-148 (1980). MSC: 34K99 34A30 34C10 34E05 34K25 PDFBibTeX XMLCite \textit{J. R. Graef} et al., J. Math. Anal. Appl. 75, 134--148 (1980; Zbl 0447.34068) Full Text: DOI