Found 88 Documents (Results 1–88)
On the existence and approximation of a periodic solution of a singular ordinary differential system with time-lag. (English) Zbl 0354.34077
A note on the existence of periodic solutions of a differential- difference equation of mixed type. (English) Zbl 0319.34057
Über die Stabilität von Resonanzlösungen gewisser Dreh- Schwingungssysteme mit Nacheilung. (Russian) Zbl 0318.34077
Über die Nullstellen der Lösungen nichtlinearer Differentialgleichungen höherer Ordnungen mit retardiertem Argument. (Russian) Zbl 0316.34086
Metod integral. Mnogoobraz. nelinein. diff. Uravn., 81-101 (1973).
Periodische Lösungen eines quasilinearen nichtautonomen Systems mit Verzögerung. (Bulgarian) Zbl 0314.34078
Periodische Lösungen quasilinearer nichtautonomer Systeme mit Verzögerung bei zweifachen Wurzeln der Amplitudengleichungen. (Bulgarian) Zbl 0314.34077
Periodic solutions of some nonlinear, autonomous functional differential equations. II. (English) Zbl 0311.34087
MSC:
34K99
Zur Frage des Oszillierens der Lösungen nichtlinearer Differentialgleichungen höherer Ordnungen mit retardiertem Argument. (Russian) Zbl 0305.34105
Metody priblizen. Resen. diff. integral. Uravn., 38-55 (1973).
MSC:
34K99
Oscillation and asymptotic behavior of solutions of retarded differential equations of arbitrary order. (English) Zbl 0299.34098
On the behavior of solutions of a differential equation with deviating argument of neutral type, having an integrating factor. (English. Russian original) Zbl 0299.34090
Sov. Math., Dokl. 14, 1440-1444 (1973); translation from Dokl. Akad. Nauk SSSR 212, 785-788 (1973).
Application of the Bubnov-Galerkin procedure to the problem of searching for selfoscillations. (English. Russian original) Zbl 0299.34053
J. Appl. Math. Mech. 37, 963-967 (1973); translation from Prikl. Mat. Mekh. 37, 1015-1019 (1973).
The existence of oscillatory solutions of second-order nonlinear differential equations with retarded argument. (English. Russian original) Zbl 0297.34066
Sov. Math., Dokl. 14, 711-714 (1973); translation from Dokl. Akad. Nauk SSSR 210, 260-262 (1973).
MSC:
34K99
On a conjecture of K. Cooke. (English) Zbl 0296.34066
Die Existenz und Eindeutigkeit periodischer Lösungen einer Klasse von Funktional-Differentialgleichungen superneutralen Typs. (Russian) Zbl 0293.34103
On the existence and approximation of a periodic solution of a singular ordinary differential system with time-lag. (English) Zbl 0292.34057
Nonlin. Vibration Probl., 6th internat. Conf. nonlin. Oscill., Poznan 1972, 129-134 (1973).
Linear multistep methods for the numerical solution of Volterra functional differential equations. (English) Zbl 0291.65020
Periodic solutions of analytic functional differential equations are analytic. (English) Zbl 0291.34052
The existence of resonance solutions of a multi-frequency system with time lag. (Russian) Zbl 0288.34074
Nonlin. Vibration Probl., 6th internat. Conf. nonlin. Oscill., Poznan 1972, 267-272 (1973).
Introduction to the theory and application of differential equations with deviating arguments. Translated from the Russian by John L. Casti. (English) Zbl 0287.34073
Mathematics in Science and Engineering. New York - London: Academic Press. 372 p. $ 14.50 (1973).
Étude des équations différentielles non linéaires à argument devie. (French) Zbl 0287.34045
Equations diff. fonctionnelles non lin., Actes Conf. internat. ’Equa-Diff 73’, Bruxelles et Louvain-la-Neuve 1973, 135-152 (1973).
Oscillation, continuation, and uniqueness of solutions of retarded differential equations. (English) Zbl 0286.34113
Zweiseitige beschränkte und fastperiodische Lösungen einiger Systeme von Differentialgleichungen mit abweichendem Argument. (Russian) Zbl 0285.34051
Construction and convergence of an h\(^2\)-scheme for a linear boundary value problem for a second-order differential equation with deviating argument. (English. Russian original) Zbl 0284.65059
U.S.S.R. Comput. Math. Math. Phys. 12(1972), No. 1, 129-138 (1973); translation from Zh. Vychisl. Mat. Mat. Fiz. 12, 105-111 (1972).
Spezielle periodische Lösungen und asymptotische Eigenschaften einer Klasse von quasilinearen Differentialgleichungen mit Retardierung des Arguments. (Russian) Zbl 0284.34075
Mat. Fiz., Respubl. Mezhvedomstv. Sb. 13, 93-111 (1973).
Über gewisse kritische Fälle für Gleichungen neutralen Typs mit einer kleinen Retardierung. (Russian) Zbl 0283.34066
Sur une solution périodique d’un système différentiel singulier à argument retarde: construction et calcul approche. (French) Zbl 0278.34065
Einige Fragen des asymptotischen Verhaltens der Lösungen nichtlinearer Differentialgleichungen mit retardiertem Argument. (Russian) Zbl 0277.34091
Über einige Oszillationssätze für Differentialgleichungen höherer Ordnungen. (Russian) Zbl 0277.34086
Mat. Fiz., Respubl. Mezhvedomstv. Sb. 13, 183-189 (1973).
Hinreichende Bedingungen für das Oszillieren der Lösungen nichtlinearer Differentialgleichungen mit abweichendem Argument. (Russian) Zbl 0277.34084
On the existence of periodic solutions of some quasilinear delay systems. (Bulgarian) Zbl 0276.34066
Comparative oscillation of non-homogeneous even order delay differential equations. (English) Zbl 0276.34065
Boundedness of solutions of a class of differential-difference equations with time-lag. (English) Zbl 0275.34068
Oscillation of solutions of high order linear differential delay equations. (English. Russian original) Zbl 0275.34067
Ukr. Math. J. 24(1972), 410-416 (1973); translation from Ukr. Mat. Zh. 24, 513-520 (1972).
Certain properties of solutions of differential equations with lag. (English. Russian original) Zbl 0275.34066
Ukr. Math. J. 24(1972), 647-652 (1973); translation from Ukr. Mat. Zh. 24, 807-813 (1972).
Reviewer: M. M. Konstantinov
Smoothing properties of neutral equations. (English) Zbl 0273.34051
MSC:
34K99
Oscillation and nonoscillation of even-order nonlinear delay-differential equations. (English) Zbl 0273.34046
A qualitative study of first-order differential-operator equations of stable type with time-lag. (English) Zbl 0272.34099
MSC:
34K99
Zeros of solutions of a second-order linear differential equation with time-lag. (English) Zbl 0272.34094
Equations with transformed argument. An algebraic approach. (English) Zbl 0271.47008
Modern Analytic and Computational Methods in Science and Mathematics. Amsterdam: Elsevier Scientific Publishing Company; Warszawa: PWN-Polish Scientific Publishers. XV, 354 p. (1973).
Periodic solutions of systems of general linear equations with a deviating argument. (English) Zbl 0271.34094
Periodic solutions of autonomous systems of equations of neutral type with a small time-lag. (English) Zbl 0269.34067
Schwingungen von Systemen mit Retardierung, die Ljapunovschen Systemen nahe sind. (Russian) Zbl 0269.34063
Prikl. Mat. Kibernet., izbr. Trudy vsesojuzn. mezvuz. Simpoz. Prikl. Mat. Kibernet., Gor’kii 1967, 16-19 (1973).
Intermediate value theorems for nonlinear periodic functional differential operators. (English) Zbl 0268.34077
Equations differ. fonctionnelles non lin., Actes Conf. internat. ”Equa- Diff 73”, Bruxelles et Louvain-la-Neuve 1973, 65-78 (1973).
Equations différentielles fonctionnelles non autonomes: solution périodique proche d’une approximation non critique. Exemple. (French) Zbl 0267.34065
Equations differ. fonctionnelles non lin., Actes Conf. internat. ”Equa- Diff 73”, Bruxelles et Louvain-la-Neuve 1973, 43-54 (1973).
Oscillations in neutral functional differential equations. (English) Zbl 0267.34064
C.I.M.E., I Ciclo Bressanone 1972, Non-linear Mech., 97-111 (1973).
Absolute stability of a class of control systems described by functional differential equations of neutral type. (English) Zbl 0266.93044
Equations differ. fonctionnelles non lin., Actes Conf. internat. ”Equa- Diff 73”, Bruxelles et Louvain-la-Neuve 1973, 381-396 (1973).
An exponential bound for solutions of differential equations with time- lag. (English) Zbl 0265.34082
On the formulation of the traction problem for the flow theory of plasticity. (English) Zbl 0263.73022
On oscillation and asymptotic behavior of a certain class of differential equations with retarded argument. (English) Zbl 0262.34060
Anwendung der Methode der Zerlegung auf den Beweis von Sätzen über die Stabilität der Lösungen von Differentialgleichungen. (Russian) Zbl 0261.45013
Über oszillierende Lösungen nichtlinearer Differentialgleichungen erster Ordnung mit nacheilendem Argument. (Russian) Zbl 0261.34045
On the growth of the meromorphic solutions of certain functional- differential equations. (English) Zbl 0258.30029
Oscillatory properties of a delay differential equation of even order. (English) Zbl 0256.34082
Pac. J. Math. (to appear).
On second order retarded equations. (English) Zbl 0256.34081
J. Math. Anal. Appl. (to appear).
Oscillation in first order nonlinear retarded argument differential equations. (English) Zbl 0254.34075
A note on periodic solutions for delay-differential systems. (English) Zbl 0254.34073
Proc. Am. Math. Soc. (to appear).
Nonoscillation of second-order, linear differential equations with retarded argument. (English) Zbl 0253.34034
The differential equation with retarded argument asymptotically equivalent to the equation \(y^{(n)}\) = 0. (Russian) Zbl 0252.34081
On meromorphic solutions of a certain class of functional-differential equations. (English) Zbl 0251.30028
Note on the Ladas’ pape r on oscillation and asymptotic behavior of solutions of differential equations with retarded argument. (English) Zbl 0249.34063
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