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Found 144 Documents (Results 1–100)

Asymptotic expansions for solutions of \(n\)th order linear ordinary differential equations with two turning points. (English. Russian original) Zbl 0835.34075

J. Math. Sci., New York 73, No. 3, 408-413 (1995); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 186, 172-179 (1990).
MSC:  34E20 34M99 34A30
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On nonlinear nonlocal equations in wave theory. II: System of surface wave equations. Asymptotics of dissipative equations. (English. Russian original) Zbl 0744.35050

Mosc. Univ. Phys. Bull. 45, No. 6, 5-17 (1990); translation from Vestn. Mosk. Univ., Ser. III 31, No. 6, 3-17 (1990).
MSC:  35Q53 76B15 35B40 35D05
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Asymptotics of relaxational oscillations in the case of two slow variables. (Russian) Zbl 0803.34050

Shil’nikov, L. P. (ed.), Methods in qualitative theory and bifurcation theory. Interuniversity collection of scientific works. Nizhnij Novgorod: Nizhegorodskij Gosudarstvennyj Universitet, 19-33 (1990).
Reviewer: W.Müller (Berlin)
MSC:  34E05 34C15
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Research on optimality of statistical decision methods. Proceedings of a symposium, held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, November 16-18, 1989. (Japanese, English) Zbl 0744.62004

Sûrikaisekikenkyûsho Kôkyûroku. 723. Kyoto: Kyoto University, Research Institute for Mathematical Sciences, ii, 97 p. (1990).
MSC:  62-06 62F12 62F05
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Asymptotic behaviour of solutions of a one-dimensional Schrödinger equation. (Асимптотика решений одномерного уравнения Шредингера.) (Russian) Zbl 0791.34002

Leningrad: Leningradskiĭ Gosudarstvennyĭ Universitet. 256 p. (1990).
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A direct scheme of forming the initial approximation for problems of optimal control with boundary layers. (Russian) Zbl 0791.49035

Shokin, Yu. I. (ed.), Models and methods for the optimization of complex systems. Collection of scientific articles. Krasnoyarsk: Izdatel’stvo Krasnoyarskogo Universiteta. Matematicheskaya Kibernetika. 3-10 (1990).
MSC:  49M37 49J15
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Comparison methods in nonlinear analysis. (Методы сравнения в нелинейном анализе.) (Russian) Zbl 0877.34002

Saransk: Saratovskiĭ Gosudarstvennyĭ Universitet. Saranskiĭ Filial. 224 p. (1990).
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Nonlocal asymptotic behaviour of the solutions of differential equations and its applications. (Nelokal’naya asimptotika reshenij differentsial’nykh uravnenij i ee prilozheniya.) (Russian) Zbl 0776.34037

Kazan’: Izdatel’stvo Kazanskogo Universiteta. 296 p. (1990).
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Sturm-Liouville and Dirac operators. Transl. from the Russian by Oleg Efimov. (English) Zbl 0704.34002

Mathematics and Its Applications. Soviet Series. 59. Dordrecht etc.: Kluwer Academic Publishers. xi, 350 p. Dfl. 240.00; $ 149.00; £83.00 (1990).
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Limit theorems on large deviations for Markov stochastic processes. Transl. from the Russian. (English) Zbl 0743.60029

Mathematics and Its Applications. Soviet Series 38. Dordrecht etc.: Kluwer Academic Publishers (ISBN 0-7923-0143-9). xv, 176 p. (1990).
MSC:  60F10 60-02 60J25
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Asymptotic methods in nonlinear mechanics. (English) Zbl 0790.70025

Ishlinskij, A. Yu. (ed.) et al., General and applied mechanics. Transl. from the Russian. New York: Hemisphere Publishing Corp. Mechanical Engineering and Applied Mechanics. 1, 59-74 (1990).
MSC:  70K99 70L05 34E10
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Asymptotic behavior of the solution of a homogeneous conservative Wiener- Hopf equation. (English. Russian original) Zbl 0732.45003

Sov. J. Contemp. Math. Anal., Arm. Acad. Sci. 25, No. 4, 63-72 (1990); translation from Izv. Akad. Nauk Arm. SSR, Mat. 25, No. 4, 374-384 (1990).
MSC:  45E10 45M05
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A three-body one-dimensional system with increasing interactions: Wave function asymptotics. (English) Zbl 0729.47011

Order, disorder and chaos in quantum systems, Proc. Conf., Dubna/USSR 1989, Oper. Theory, Adv. Appl. 46, 155-158 (1990).
MSC:  47A40 81U10
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Behavior of singularities of a nonsteady wave field near a caustic in a medium with a variable velocity. (English. Russian original) Zbl 0716.35038

J. Sov. Math. 50, No. 4, 1743-1750 (1990); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 156, 98-108 (1986).
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New global asymptotics and anomalies for the problem of quantization of the adiabatic invariant. (English. Russian original) Zbl 0715.58036

Funct. Anal. Appl. 24, No. 2, 104-114 (1990); translation from Funkts. Anal. Prilozh. 24, No. 2, 24-36 (1990).
Reviewer: I.Gumowski
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On an integral equation for the Dirichlet problem in a plane domain with cusps on the boundary. (English. Russian original) Zbl 0709.45010

Math. USSR, Sb. 68, No. 1, 61-83 (1990); translation from Mat. Sb. 180, No. 9, 1211-1233 (1989).
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