## Found 35 Documents (Results 1–35)

100
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### Strengthening of the Kneser theorem on zeros of solutions of the equation $$u''+q(t)u=0$$ using one functional equation. (Ukrainian, English)Zbl 1240.34183

Ukr. Mat. Zh. 62, No. 12, 1705-1714 (2010); translation in Ukr. Math. J. 62, No. 12, 1978-1988 (2010).
MSC:  34C10 34A30
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### On solutions of one class of second-order operator differential equations in the class of holomorphic vector functions. (Russian, English)Zbl 1224.34190

Ukr. Mat. Zh. 62, No. 6, 801-813 (2010); translation in Ukr. Math. J. 62, No. 6, 928-942 (2010).
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### Solvability of the boundary-value problem for the second-order elliptic differential-operator equation with spectral parameter in the equation and boundary conditions. (Russian, English)Zbl 1224.35087

Ukr. Mat. Zh. 62, No. 1, 3-14 (2010); translation in Ukr. Math. J. 62, No. 1, 1-14 (2010).
MSC:  35J25
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### On the convergence of solutions of certain inhomogeneous fourth-order differential equations. (English)Zbl 1224.34156

Ukr. Mat. Zh. 62, No. 5, 714-721 (2010) and in Ukr. Math. J. 62, No. 5, 824-833 (2010).
MSC:  34D05 34D20
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### Optimal control with impulsive component for systems described by implicit parabolic operator differential equations. (Russian, English)Zbl 1224.35179

Ukr. Mat. Zh. 61, No. 8, 1053-1065 (2009); translation in Ukr. Math. J. 61, No. 8, 1250-1263 (2009).
MSC:  35K40
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### Asymptotic representations of the solutions of essentially nonlinear nonautonomous second-order differential equations. (Russian, English)Zbl 1164.34427

Ukr. Mat. Zh. 60, No. 3, 310-331 (2008); translation in Ukr. Math. J. 60, No. 3, 357-383 (2008).
MSC:  34D05
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### Polynomial quasisolutions of linear second-order differential-difference equations. (Russian, English)Zbl 1164.34489

Ukr. Mat. Zh. 60, No. 1, 140-152 (2008); translation in Ukr. Math. J. 60, No. 1, 159-175 (2008).
MSC:  34K07 34K06
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### Oscillation criteria for nonlinear second-order differential equations with damping. (English)Zbl 1164.34385

Ukr. Mat. Zh. 60, No. 5, 694-700 (2008) and Ukr. Math. J. 60, No. 5, 799-809 (2008).
MSC:  34C10
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### Conditions for oscillatory or nonoscillatory behaviour of solutions for a class of second-order semilinear differential equations. (Russian, English)Zbl 1150.34411

Ukr. Mat. Zh. 59, No. 4, 458-466 (2007); translation in Ukr. Math. J. 59, No. 4, 513-522 (2007).
MSC:  34C10
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### Homogenization of the Dirichlet problem for a special hyperbolic Kirchhoff equation. (Russian, English)Zbl 1098.35017

Ukr. Mat. Zh. 58, No. 2, 236-249 (2006); translation in Ukr. Math. J. 58, No. 2, 263-279 (2006).
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### Theorems on the existence and nonexistence of solutions of the Cauchy problem for degenerate parabolic equations with nonlocal source. (Ukrainian, English)Zbl 1094.35064

Ukr. Mat. Zh. 57, No. 11, 1443-1464 (2005); translation in Ukr. Math. J. 57, No. 11, 1687-1711 (2005).
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### Properties of a solution of an inhomogeneous hyperbolic equation with random right-hand side. (Ukrainian, English)Zbl 1094.35071

Ukr. Mat. Zh. 57, No. 4, 474-482 (2005); translation in Ukr. Math. J. 57, No. 4, 571-582 (2005).
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### Asymptotic behaviour of unbounded solutions of essentially nonlinear second-order differential equations. I. (Russian, English)Zbl 1102.34034

Ukr. Mat. Zh. 57, No. 3, 338-355 (2005); translation in Ukr. Math. J. 57, No. 3, 406-426 (2005).
MSC:  34D05 34C11
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### Global $$\lambda$$-stability of a nonautonomous second-order quasilinear equation. (English. Ukrainian original)Zbl 1041.34024

Ukr. Math. J. 54, No. 9, 1411-1433 (2002); translation from Ukr. Mat. Zh. 54, No. 9, 1172-1189 (2002).
MSC:  34C11 34D05
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### Interval oscillation criteria for second-order nonlinear differential equations. (English)Zbl 1007.34033

Ukr. Math. J. 53, No. 9, 1391-1406 (2001) and Ukr. Mat. Zh. 53, No. 9, 1161-1173 (2001).
MSC:  34C10
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### Nonlinear d’Alambert equation in the pseudo-Euclidean space $$\mathbb R_{2,n}$$ and its solutions. (English. Ukrainian original)Zbl 0984.35040

Ukr. Math. J. 52, No. 6, 940-949 (2000); translation from Ukr. Mat. Zh. 52, No. 6, 820-827 (2000).
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### The solvability of a boundary-value periodic problem. (English. Ukrainian original)Zbl 0936.35106

Ukr. Math. J. 49, No. 2, 327-333 (1997); translation from Ukr. Mat. Zh. 49, No. 2, 296-301 (1997).
MSC:  35L20 35B10 35A05 35C15
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### Problems with free boundaries and nonlocal problems for nonlinear parabolic equations. (Ukrainian)Zbl 0937.35188

MSC:  35R35 35Q80 35-02 35K05 35K20
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### Rotary motions of autonomous systems with pulse influence. (English. Russian original)Zbl 0940.34022

Ukr. Math. J. 49, No. 4, 654-660 (1997); translation from Ukr. Mat. Zh. 49, No. 4, 591-596 (1997).
MSC:  34C15 34A37 34C25
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### On regularity of generalized solutions of the third boundary-value problem for an elliptic difference-differential equation. (English. Russian original)Zbl 0935.35171

Ukr. Math. J. 47, No. 1, 107-120 (1995); translation from Ukr. Mat. Zh. 47, No. 1, 93-104 (1995).
MSC:  35R10 35D10 35J25
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### On conditions for oscillation and nonoscillation of the solutions of a second-order semilinear differential equation. (English. Russian original)Zbl 0839.34038

Ukr. Math. J. 46, No. 7, 912-921 (1994); translation from Ukr. Mat. Zh. 46, No. 7, 833-841 (1994).
MSC:  34C10
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### An approximation method for solving boundary value problems. (Russian)Zbl 0627.34017

Reviewer: Gh.Aniculăesei
MSC:  34B05

### On periodic solutions of second order wave equations. I. (Russian)Zbl 0632.34035

Reviewer: V.Obukhovskij
MSC:  34C25

### The Dirichlet problem for second order differential equations with an operator coefficient. (Russian)Zbl 0594.34063

Reviewer: M.Svec
MSC:  34G10 34B05

### A method for constructing quasiperiodic solutions to ordinary differential equations describing motions. (Russian)Zbl 0549.34046

Reviewer: I.Gumowski
MSC:  34C27 34A45 34A99

### Periodic solutions of an integro-differential equation of the second order in nonresonance case. (Russian)Zbl 0506.45009

MSC:  45J05 45L05

### To the question on the influence of delay in equations with gyroscopic terms. (Russian)Zbl 0489.34081

MSC:  34K25 34E05 34A45

### A problem with directional derivative for a degenerating parabolic equation. (Russian)Zbl 0472.35050

MSC:  35K65 35K20 49J20

### Ein Beispiel eines nichtklassischen Randwertproblems für die Gleichung der Schwingungen einer Saite. (Russian)Zbl 0452.35071

MSC:  35L20 35L05 35Q99

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### Ein Randwertproblem für eine hyperbolische Gleichung mit entartetem Hauptteil. (Russian)Zbl 0407.35058

MSC:  35L80 35L20 35M99
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