×

Oscillation and nonoscillation in first order neutral differential equations. (English) Zbl 0725.34088

The neutral differential equation \(\dot x(t)+C\dot x(t-\tau)+Px(t- \sigma)=0\) is considered. Sufficient conditions for oscillation and nonoscillation of this equation are given.

MSC:

34K40 Neutral functional-differential equations
34K99 Functional-differential equations (including equations with delayed, advanced or state-dependent argument)
34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations
Full Text: DOI

References:

[1] Arino, O.; Györi, I.; Jawahari, A., Oscillation criteria in delay equations, J. Differential Equations, 53, 115-123 (1984) · Zbl 0547.34060
[2] Brumley, W. E., On the asymptotic behaviour of solutions of differential-difference equations of neutral type, J. Differential Equations, 7, 175-188 (1970) · Zbl 0215.15405
[3] Fukagai, N.; Kusano, T., Oscillation theory of first order functional differential equations with deviating arguments, Ann. Mat., 95-117 (1983) · Zbl 0552.34062
[4] Grammatikopoulos, M. K.; Grove, E. A.; Ladas, G., Oscillations of first order neutral delay differential equations, J. Math. Anal. Appl., 120, 510-520 (1986) · Zbl 0566.34056
[5] Grammatikopoulos, M. K.; Grove, E. A.; Ladas, G., Oscillation and Asymptotic Behaviour of First Order Neutral Differential Equations with Deviating Arguments, URI. T.R. No. 86 (1985) · Zbl 0631.34073
[6] M. K. Grammatikopoulos, G. Ladas, and Y. G. Sficas; M. K. Grammatikopoulos, G. Ladas, and Y. G. Sficas · Zbl 0617.34067
[7] Grammatikopoulos, M. K.; Sficas, Y. G.; Stavroulakis, I. P., Necessary and sufficient conditions for oscillations of neutral equations with several coefficients, J. Differential Equations, 76, 294-311 (1988) · Zbl 0669.34069
[8] Gromova, P. S., Stability of solutions of nonlinear equations of the neutral type in the asymptotically critical case, Math. Notes, 1, 472-479 (1967) · Zbl 0162.13203
[9] Gromova, P. S.; Zverkin, A. M., On trigonometric series whose sums are continuous unbounded functions on the real axis—solutions of equations with retarded arguments, Differential Equations, 4, 1774-1784 (1968) · Zbl 0212.43602
[10] Hunt, B. R.; Yorke, J. A., When all solutions of \(x\)′ = −∑\(q_ix (t\) −\(τ_i (t))\) oscillate, J. Differential Equations, 53, 139-145 (1984) · Zbl 0571.34057
[11] Jiono, R., On the oscillation of neutral differential difference equations with several delays, Sci. Sinica, 5, 467-477 (1986)
[12] Jiong, R., Types and criteria of nonoscillatory solutions for second order linear neutral differential difference equations, Chinese Ann. Math. Ser. A, 8, 114-124 (1987) · Zbl 0632.34071
[13] Koplatadze, R. G.; Canturija, T. A., On oscillatory and monotone solutions of first order differential equations with deviating arguments, Differentsial’nye Uravneniya, 18, 1463-1465 (1982) · Zbl 0496.34044
[14] Kulenovic, M. R.S; Ladas, G.; Meimaridou, A., Necessary and sufficient condition for oscillations of neutral differential equations, J. Austral. Math. Soc. Ser. B, 28, 362-375 (1987) · Zbl 0616.34064
[15] Kusano, T., On even order functional differential equations with advanced and retarded arguments, J. Differential Equations, 45, 75-84 (1982) · Zbl 0512.34059
[16] Ladas, G., Sharp conditions for oscillations caused by delays, Appl. Anal., 9, 93-98 (1979) · Zbl 0407.34055
[17] Ladas, G.; Sficas, Y. G., Oscillations of neutral delay differential equations, Canad. Math. Bull., 29, 438-445 (1986) · Zbl 0566.34054
[18] Ladas, G.; Sficas, Y. G., Oscillations of higher order neutral equations, J. Austral. Math. Soc. Ser. B, 27, 502-511 (1986) · Zbl 0566.34055
[19] V. Lakshmikantham, G. S. Ladde, and B. G. Zhang; V. Lakshmikantham, G. S. Ladde, and B. G. Zhang · Zbl 0832.34071
[20] Nashed, M.; Wong, J. S.W, Some variants of a fixed point theorem of Krasnoselskii and applications to nonlinear integral equations, J. Math. Mech., 18, 767-777 (1969) · Zbl 0181.42301
[21] Onose, H., Oscillatory properties of first order differential inequalities with deviating arguments, Funkcial. Ekvac., 26, 189-195 (1983) · Zbl 0525.34051
[22] Y. G. Sficas and I. P. StavroulakisJ. Math. Anal. Appl.; Y. G. Sficas and I. P. StavroulakisJ. Math. Anal. Appl.
[23] Stavroulakis, I. P., Nonlinear delay differential inequalities, Nonlinear Anal. Theory Meth. Appl., 6, 389-396 (1982) · Zbl 0488.34062
[24] Zahariev, A. I.; Bainov, D. D., Oscillating properties of the solutions of a class of neutral type functional differential equations, Bull. Austral. Math. Soc., 22, 365-372 (1980) · Zbl 0465.34042
[25] B. G. Zhang; B. G. Zhang · Zbl 0683.34037
This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.