## Found 134 Documents (Results 1–100)

100
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### Boundedness and asymptotic behavior of solutions of a second-order functional differential equation. (English)Zbl 0765.34053

MSC:  34K99 34K20 34C11

### The differential equation $$Q=0$$ in which $$Q$$ is a quadratic form in $$y'', y', y$$ having meromorphic coefficients. (English)Zbl 0761.34002

MSC:  34M99 34A09 34A05
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### An equation of Ince: The confluent Mathieu equation. (English)Zbl 0761.34005

Reviewer: L.Janos (Praha)

### Resonance oscillations of wave equations. (English)Zbl 0779.35008

Reviewer: G.Jank (Aachen)
MSC:  35B05 35L70

MSC:  34B15
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### A general stability result of Marachkov type. (English)Zbl 0756.34055

Reviewer: W.Müller (Berlin)
MSC:  34D20 35B35 34D05

### On the monotonicity of solutions for a class of nonlinear differential equations of second order. (English)Zbl 0762.34016

Reviewer: F.Neuman (Brno)
MSC:  34C11 34A34

### Oscillation criteria for second order superlinear differential equations. (English)Zbl 0757.34029

MSC:  34C10 34C15

### On functional equations of the form $$A(x) - A(\tau{}(x)) = \varphi{}(x)$$ and Goursat problem for the equation $${\partial{}^ 2 z(x,y) \over \partial{}x \partial{}y} = f(x,y)$$. (English)Zbl 0756.35052

MSC:  35L70 35L05 35D05 35R10

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### Superdiffusion and parabolic nonlinear differential equations. (English)Zbl 0756.60074

Reviewer: K.Fleischmann
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### On some higher order derivatives of solutions of $$y''+p(x)y=0$$. (English)Zbl 0755.34029

MSC:  34C11 34C10 34A45

### The CAGE-Galerkin method for solving the 2-point boundary value problem. (English)Zbl 0759.65049

MSC:  65L10 65L60 34B05
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### Iterative and variational methods for the solvability of some semilinear equations in Hilbert spaces. (English)Zbl 0761.34047

Reviewer: P.Zabreiko (Minsk)
MSC:  34G20 35L70
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### On the zeros of solutions of differential equation $$f''+Af=0$$. (English)Zbl 0754.34005

Reviewer: M.Bartušek (Brno)

### Explicit solution of systems of second-order differential-difference equations. (English)Zbl 0761.65052

MSC:  65L05 35K05
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### Averaging in periodic media under weakly dependent random actions. II. (English. Russian original)Zbl 0990.35137

Theory Probab. Math. Stat. 46, 15-21 (1993); translation from Teor. Jmovirn. Mat. Stat. 46, 18-24 (1992).

MSC:  34C11

### The direct variational method for operator equations $$u^ k+C^ mu=f, k=1,2; m\in N$$. (Russian)Zbl 0826.34063

MSC:  34G20 35K15 35L15 49R50

### On an integral equation connected with a differential system. (English)Zbl 0823.34016

Reviewer: G.Dimitriu (Iaşi)
MSC:  34A55 34A30

### Correctness and regularization of boundary value problems in Hilbert space. (Russian)Zbl 0812.34060

Ivanov, V. K. (ed.) et al., Generalized functions in problems of control and differential equations. Collection of scientific works. Sverdlovsk: Ural’skoe Otdelenie Akademii Nauk SSSR, 40-48 (1992).
Reviewer: W.Müller (Berlin)
MSC:  34G10 34B05

### A mathematical model for diffusion and exchange phenomena in ultra napkins. (English)Zbl 0808.35047

Berichte der Arbeitsgruppe Technomathematik, Fachbereich Mathematik, Universität Kaiserslautern. 72. Kaiserslautern: Univ. Kaiserslautern, FB Mathematik, Arbeitsgruppe Technomathematik, 28 p. (1992).

### Liouvillian first integrals of differential equations. (English)Zbl 0756.12006

MSC:  12H05 34A30
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### Analytic solution of a class of singular time varying second order boundary value problems. (English)Zbl 0765.34002

MSC:  34A09 34B05 34B10

### Spatial homogeneity in damped hyperbolic equations. (English)Zbl 0799.35156

MSC:  35L70 35B40

### Second-order, numerical methods for the solution of equations in population modelling. (English)Zbl 0759.65043

MSC:  65L05 92D25
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### Hypergeometric function $$_ 2F_ 1$$ on a Jordan algebra. (Fonction hypergéométrique $$_ 2F_ 1$$ sur une algèbre de Jordan.) (French. English summary)Zbl 0758.33010

MSC:  33C80 17C99 33C20

### Kelvin-Helmholtz mechanism for side branching in the displacement of light with heavy fluid under gravity. (English)Zbl 0755.76037

MSC:  76E17 76E99 76V05

### Identification of nonlinear terms in boundary value problems related to ordinary differential equations. (English)Zbl 0765.34014

MSC:  34A55 34B15

### Nodal characterization of bifurcating branches in $$L^ p(\mathbb{R}{})$$ for a semilinear equation. (English)Zbl 0767.34057

Reviewer: D.Robert (Nantes)
MSC:  34L05 34C23
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MSC:  34C10
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### An analytic numerical solution of implicit coupled systems of partial differential equations. (Spanish. English summary)Zbl 0801.65099

MSC:  65M70 65M15 35K05

### On certain boundary value problems which contain a small parameter. (English. Russian original)Zbl 0807.34069

Russ. Math. 36, No. 12, 67-79 (1992); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1992, No. 12 (367), 67-79 (1992).
MSC:  34E15 34B15 34G20

### A simple proof for Sturm’s separation theorem. (English)Zbl 0756.34015

MSC:  34A30 34C10
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### Global bifurcation for a special Hill equation with nonlinear boundary conditions. (English)Zbl 0816.34018

MSC:  34B30 34C23
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### Condensation in a variational problem on the space of measures. (English)Zbl 0756.49001

Reviewer: T.C.Dorlas
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### Inversion of integral transforms associated with a class of perturbed heat equations. (English)Zbl 0767.44006

Reviewer: P.Renno (Napoli)
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MSC:  34D20

### Generalization of certain second order ordinary differential equation of Nishimoto by the fractional calculus method. (English)Zbl 0753.34006

MSC:  34M99 34A30 26A33

MSC:  34D05
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### Generalized solutions of degenerate integro-differential equations in Banach spaces. (Russian)Zbl 0806.45011

Vasin, V. V. (ed.) et al., Numerical methods of optimization and analysis. Collection of scientific works. Novosibirsk: Nauka. 185-188 (1992).
MSC:  45N05 45J05

### On the Abel differential equation of the second kind. (English. Russian original)Zbl 0801.34012

Differ. Equations 28, No. 12, 1832-1833 (1992); translation from Differ. Uravn. 28, No. 12, 2187-2188 (1992).

### Monodromy group of a second-order linear differential equation with regular singular points. (English. Russian original)Zbl 0801.34010

Differ. Equations 28, No. 10, 1381-1391 (1992); translation from Differ. Uravn. 28, No. 10, 1698-1708 (1992).
MSC:  34M35

### Single-valuedness of solutions of a second-order linear differential equation with regular singular points. (English. Russian original)Zbl 0802.34009

Differ. Equations 28, No. 9, 1251-1258 (1992); translation from Differ. Uravn. 28, No. 9, 1529-1536 (1992).
MSC:  34M99

### Fredholm solvability of inverse boundary problems for second order abstract differential equations. (English. Russian original)Zbl 0799.34064

Differ. Equations 28, No. 4, 562-569 (1992); translation from Differ. Uravn. 28, No. 4, 687-697 (1992).
MSC:  34G10 47N20

### On the boundedness of the solutions of the nonlinear oscillating equation. (English)Zbl 0753.34022

MSC:  34C11 34D40
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### On the existence of a countable set of solutions in a problem of polaron theory. (Russian)Zbl 0754.45012

MSC:  45J05 45G05 34B15

### Étude numérique des solutions périodiques d’une équation du second ordre. (Numerical study of the periodic solutions of a second order equation). (French. English summary)Zbl 0761.65053

Reviewer: M.Sibony (Tours)
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### Stability of solutions of linear systems with an almost-periodic matrix. (English. Russian original)Zbl 0798.34056

Math. Notes 52, No. 6, 1178-1181 (1992); translation from Mat. Zametki 52, No. 6, 10-14 (1992).
MSC:  34D20 34A30

### Boundedness and stability of solutions of a certain nonlinear differential equation of the second order. (English)Zbl 0791.34049

Reviewer: W.Müller (Berlin)
MSC:  34D40 34D20 34C11 34A34

### On an existence problem for the boundary value problem of a second order linear differential equation with polynomial coefficients. (English)Zbl 0807.34017

Wiener, Joseph (ed.) et al., Partial differential equations. Proceedings of the international conference on theory and applications of differential equations held at the University of Texas-Pan American, Edinburg, TX (USA), May 15-18, 1991. Harlow: Longman Scientific & Technical. Pitman Res. Notes Math. Ser. 273, 236-240 (1992).
MSC:  34B05

### Sublinear elliptic systems with discontinuous nonlinearities. (English)Zbl 0773.35018

MSC:  35J60 35D10 35J20 35J50
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### Sinc methods for quadrature and differential equations. (English)Zbl 0753.65081

Philadelphia, PA: SIAM, Society for Industrial and Applied Mathematics. x, 304 p. (1992).

### Foundations of theoretical conchology. From self-similarity in non- conservative mechanics. (English)Zbl 0766.92004

Palm Harbor, FL: Hadronic Press, Inc.. 104 p. (1992).

### Lectures on nonlinear evolution equations. Initial value problems. (English)Zbl 0811.35002

Aspects of Mathematics. 19. Braunschweig etc.: Vieweg. viii, 259 p. (1992).

### Calculation of the coefficients of expansions in derivative chains of a spectral problem. (English. Russian original)Zbl 0795.34072

Math. Notes 51, No. 6, 618-619 (1992); translation from Mat. Zametki 51, No. 6, 137-139 (1992).
MSC:  34L10
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### Sentinelles pour les systèmes distribués. À données incomplètes. (French)Zbl 0759.93043

Recherches en Mathématiques Appliquées. 21. Paris etc.: Masson. xii, 227 p. (1992).
MSC:  93C20 35R30 93-02

### Spectra of random and almost-periodic operators. (English)Zbl 0752.47002

Grundlehren der Mathematischen Wissenschaften. 297. Berlin etc.: Springer-Verlag. viii, 587 p. (1992).
Reviewer: J.F.Toland (Bath)

### On some imbedding theorems for Kreĭn-Pontryagin type spaces and their application to periodic problems. (English. Russian original)Zbl 1041.35502

Russ. Acad. Sci., Dokl., Math. 46, No. 1, 70-73 (1993); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 325, No. 3, 434-437 (1992).

### A free boundary problem for a nonlinear second order differential equation involving a small parameter. (English)Zbl 0784.34020

Reviewer: X.Wang (Anda)
MSC:  34B15 34E15
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### A generalized partial differential equation of the second order via fractional calculus. (English)Zbl 0799.35043

MSC:  35G05 26A33

### On finite-dimensional approximation of the observation and control problem for a hyperbolic system. (Russian)Zbl 0780.93052

MSC:  93C20 35L15 93B07

MSC:  45K05

### On solvability and nonsolvability of a variant of boundary value problems with a free boundary for abstract second order differential equations. (Russian)Zbl 0763.34051

MSC:  34G20 34B15

### Some non-classical heat problems associated with thermoelasticity. (English)Zbl 0806.35050

Begehr, H. (ed.) et al., Partial differential equations with real analysis. Dedicated to Robert Pertsch Gilbert on the occasion of his 60th birthday. Harlow: Longman Scientific & Technical. Pitman Res. Notes Math. Ser. 263, 169-186 (1992).

### Uniqueness theorem for the generalized solution of the Dirichlet problem for second order elliptic equation in an unbounded domain. (English)Zbl 0778.35030

MSC:  35J20 35D99

MSC:  34B10
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### On the existence of a countable set of solutions in a problem of polaron theory. (English. Russian original)Zbl 0774.45005

Russ. Acad. Sci., Sb., Math. 75, No. 1, 247-255 (1993); translation from Mat. Sb. 183, No. 2, 102-111 (1992).
MSC:  45J05 45G05 34B15
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### On the separated-variable solutions of the nonlinear wave equation. (English)Zbl 0805.35078

MSC:  35L70 35C99

### The Fredholm solvability of inverse problems for abstract differential equations. (English)Zbl 0789.35178

Tikhonov, Andrej N. (ed.) et al., Ill-posed problems in natural sciences. Proceedings of the international conference held in Moscow (Russia), August 19-25, 1991. Utrecht: VSP. 367-374 (1992).

MSC:  34C25
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MSC:  34E20
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### Oscillation criteria for second order nonlinear differential equations with integrable coefficients. (English)Zbl 0760.34032

MSC:  34C10 34A34
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### A note on Poincaré, Sobolev, and Harnack inequalities. (English)Zbl 0769.58054

Reviewer: N.Jacob (Erlangen)
MSC:  58J05 58J50 58J35
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### Semilinear wave equations. (English)Zbl 0767.35045

MSC:  35L70 35-02 35L05 35A05 35Q40
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### A generalized dynamic programming principle and Hamilton-Jacobi-Bellman equation. (English)Zbl 0756.49015

MSC:  49L20 49L25
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### Solving coupled systems of linear second-order differential equations knowing a part of the spectrum of the companion matrix. (English)Zbl 0743.34005

MSC:  34A05 65J99 65L20
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### Explicit two-step methods with minimal phase-lag for the numerical integration of special second-order initial-value problems and their application to the one-dimensional Schrödinger equation. (English)Zbl 0755.65075

MSC:  65L05 34A34 34L40
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### Unconditional stable methods for second order ordinary differential equations. (English)Zbl 0747.65058

Reviewer: O.Titow (Berlin)
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### Elliptic partial differential equation and optimal control. (English)Zbl 0763.35010

MSC:  35B37 74M05 49N10 35J20
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### Diffusion equations. Transl. from the Jap. by Seizô Itô. (English)Zbl 0787.35001

Translations of Mathematical Monographs. 114. Providence, RI: American Mathematical Society (AMS). x, 225 p. (1992).

### An adaption of the Frobenius method for use on a computer. II. (English)Zbl 0768.34004

MSC:  34A25 65L99

### On a finite-dimensional approximation to the observation and control problem for a hyperbolic system. (English. Russian original)Zbl 0790.93077

Mosc. Univ. Comput. Math. Cybern. 47, No. 3, 25-29 (1992); translation from Vestn. Mosk. Univ., Ser. XV 1992, No. 3, 28-33 (1992).
MSC:  93C20 35L15 93B07

### A note on second order integro-differential equations. (English)Zbl 0771.45003

MSC:  45J05 45M05

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### Asymptotic behaviour of solutions of evolutionary equations. (English)Zbl 0797.35016

Lezioni Lincee. Cambridge: Cambridge University Press,. 155 p. (1992).

### A dual perturbation series analysis of homoclinic bifurcation for autonomous systems. (English)Zbl 0779.34031

Reviewer: C.Mira (Toulouse)
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### The inverse problem in ordinary differential equations. (English)Zbl 0769.65051

Computational ordinary differential equations, Proc. Conf., London/UK 1989, Inst. Math. Appl. Conf. Ser., New Ser. 39, 237-249 (1992).

### On the implementation of an algebraic difference scheme for stiff BVPs. (English)Zbl 0767.65066

Computational ordinary differential equations, Proc. Conf., London/UK 1989, Inst. Math. Appl. Conf. Ser., New Ser. 39, 193-200 (1992).

### Projective connections, double fibrations and formal neighbourhoods of lines. (English)Zbl 0738.58051

MSC:  58J70 35A30 53B10
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