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Found 580 Documents (Results 1–100)

Estimation and control methods in dynamical systems. With contributions by Yu. V. Zajka. (Metody otsenivaniya i upravleniya v dinamicheskikh sistemakh.) (Russian) Zbl 0948.93500

Sankt Peterburg: Izdatel’stvo Sankt-Peterburgskogo Universiteta. 308 p. (1993).
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Discontinuous solutions of mixed problems for almost linear hyperbolic systems with two independent variables. (Razryvnye resheniya smeshannykh zadach dlya pochti linejnykh giperbolicheskikh sistem s dvumya nezavisimymi peremennymi.) (Russian. English summary) Zbl 0923.35001

Nizhnij Novgorod: Nauchno-Issledovatel’skij Radiofizicheskij Institut (NIRFI), 379 p. (1993).
MSC:  35-02 35L60 35D05 35L50
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Yang-Mills-Higgs equation on a universal cosmos and decay property of the solution. (English) Zbl 0875.35137

Kawarada, H. (ed.) et al., Proceedings of the international conference on nonlinear mathematical problems in industry, held at Iwaki Meisei University, Iwaki, Japan, during Nov. 9-13, 1992. II. Tokyo: Gakkōtosho, GAKUTO Int. Ser., Math. Sci. Appl. 2, 643-653 (1993).
MSC:  35Q75 83A05 35B40
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Quenching and beyond: A survey of recent results. (English) Zbl 0875.35041

Kawarada, H. (ed.) et al., Proceedings of the international conference on nonlinear mathematical problems in industry, held at Iwaki Meisei University, Iwaki, Japan, during Nov. 9-13, 1992. II. Tokyo: Gakkōtosho, GAKUTO Int. Ser., Math. Sci. Appl. 2, 501-512 (1993).
MSC:  35K55 35B40
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On blow-up problems for quasilinear degenerate parabolic equations with convection. (English) Zbl 0865.35071

Kawarada, H. (ed.) et al., Proceedings of the international conference on nonlinear mathematical problems in industry, held at Iwaki Meisei University, Iwaki, Japan, during Nov. 9-13, 1992. II. Tokyo: Gakkōtosho, GAKUTO Int. Ser., Math. Sci. Appl. 2, 435-448 (1993).
MSC:  35K65 35B40
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Global existence of holomorphic solutions of differential equations with complex parameters. (English) Zbl 0843.34003

Bainov, D. (ed.) et al., Proceedings of the third international colloquium on differential equations, Plovdiv, Bulgaria, August 18-22, 1992. Utrecht: VSP. 119-132 (1993).
MSC:  34M05 35A05 35A20
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Ordinary differential equations in Fréchet spaces. (English) Zbl 0843.34058

Bainov, D. (ed.) et al., Proceedings of the third international colloquium on differential equations, Plovdiv, Bulgaria, August 18-22, 1992. Utrecht: VSP. 89-93 (1993).
MSC:  34G20 34A12
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Initial value problem for a singularly perturbed nonlinear impulsive system in the critical case. (English) Zbl 0843.34055

Bainov, D. (ed.) et al., Proceedings of the third international colloquium on differential equations, Plovdiv, Bulgaria, August 18-22, 1992. Utrecht: VSP. 31-44 (1993).
MSC:  34E15 34A37 34A12
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Parametric optimization with an application to optimal control. (English) Zbl 0840.90123

Guddat, Jürgen (ed.) et al., Parametric optimization and related topics. III. Proceedings of the 3rd conference held in Güstrow, Germany, August 30 - September 5, 1991. Frankfurt am Main: Peter Lang Verlag. Approximation Optimization. 3, 21-34 (1993).
MSC:  90C31 49K40
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The differentiability with respect to the initial conditions of a solution to a differential inclusion with delay. (English. Russian original) Zbl 0833.34013

Differ. Equations 29, No. 4, 614-615 (1993); translation from Differ. Uravn. 29, No. 4, 719-720 (1993).
Reviewer: W.Müller (Berlin)
MSC:  34A60 34K05 34A12
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Boundedness of stresses at cusp in plane contact problems. (English. Russian original) Zbl 0849.73061

Russ. Math. 37, No. 2, 19-30 (1993); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 2, 21-32 (1993).
MSC:  74A55 74M15 45E05
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On the solvability of the Cauchy problem for a certain class of equations with deviations depending on the unknown function. (English. Russian original) Zbl 0836.34067

Russ. Math. 37, No. 5, 40-42 (1993); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 5 (372), 46-49 (1993).
Reviewer: W.Müller (Berlin)
MSC:  34K05 34A12
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Parameter dependence of the controllability set of the Liénard equation. (English. Russian original) Zbl 0833.34004

Vestn. St. Petersbg. Univ., Math. 26, No. 4, 47-51 (1993); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 1993, No. 4, 41-44 (1993).
Reviewer: W.Müller (Berlin)
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Generalized characteristics of Hamiltonian-Jacobi equations. (English. Russian original) Zbl 0827.49018

J. Comput. Syst. Sci. Int. 32, No. 2, 157-163 (1994); translation from Izv. Ross. Akad. Nauk, Tekh. Kibern. 1993, No. 1, 190-197 (1993).
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A method of determining the regions of stability of automatic control systems. (English. Russian original) Zbl 0839.93062

J. Comput. Syst. Sci. Int. 32, No. 3, 45-49 (1994); translation from Izv. Ross. Akad. Nauk, Tekh. Kibern. 1993, No. 2, 20-25 (1993).
MSC:  93D20 93C25 34A12
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Existence, uniqueness and asymptotic behaviour of solutions to equations modelling transport of dopants in semiconductors. (English) Zbl 0832.35071

Frehse, J. (ed.) et al., Special topics in semiconductor analysis. Contributions of a symposium held in July 1993. Bonn: Universität Bonn, Mathematisches Institut, Bonn. Math. Schr. 258, 49-78 (1993).
Reviewer: J.Diblík (Brno)
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Existence of weak solutions to the stationary semiconductor equations with avalanche generation. (English) Zbl 0833.35024

Frehse, J. (ed.) et al., Special topics in semiconductor analysis. Contributions of a symposium held in July 1993. Bonn: Universität Bonn, Mathematisches Institut, Bonn. Math. Schr. 258, 3-16 (1993).
MSC:  35D05 35J65 78A35 35Q60
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Continuability of trajectories of control systems and boundedness of the integral funnel. (English. Russian original) Zbl 0826.34004

Differ. Equations 29, No. 6, 792-797 (1993); translation from Differ. Uravn. 29, No. 6, 927-932 (1993).
Reviewer: W.Müller (Berlin)
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The Cauchy problem for systems with hysteresis. (English. Russian original) Zbl 0823.34003

Russ. Acad. Sci., Dokl., Math. 48, No. 3, 502-506 (1994); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 333, No. 3, 285-287 (1993).
MSC:  34A12 34A34
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Problems of Dirichlet type for the Lavrent’ev-Bitsadze equation. II: Existence theorems. (English. Russian original) Zbl 0849.35078

Russ. Acad. Sci., Dokl., Math. 48, No. 3, 433-437 (1994); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 333, No. 1, 16-18 (1993).
MSC:  35M10 35A05 35B65
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The Cauchy problem as a problem of the continuation of a solution with respect to a parameter. (English. Russian original) Zbl 0818.65062

Comput. Math. Math. Phys. 33, No. 12, 1569-1579 (1993); translation from Zh. Vychisl. Mat. Mat. Fiz. 33, No. 12, 1792-1805 (1993).
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Group analysis of linear differential equations in distributions and the construction of fundamental solutions. (English. Russian original) Zbl 0816.35006

Differ. Equations 29, No. 11, 1700-1711 (1993); translation from Differ. Uravn. 29, No. 11, 1958-1970 (1993).
MSC:  35A30 35D05 35E05 35G05
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Solvability and asymptotic behavior of solutions of ordinary differential equations with operator coefficients. (English) Zbl 0814.34050

Kleinman, Ralph (ed.) et al., Mathematical and numerical aspects of wave propagation. Proceedings of the 2nd international conference held in Newark, DE, USA, June 7-10, 1993. Philadelphia, PA: SIAM. 354-362 (1993).
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Existence and uniqueness of trajectories with infinitely distant points as their limit sets for dynamic systems on a plane. (English. Russian original) Zbl 0820.34001

Mosc. Univ. Mech. Bull. 48, No. 1, 1-6 (1993); translation from Vestn. Mosk. Univ., Ser. I 1993, No. 1, 68-71 (1993).
MSC:  34A12 34D05 37G15
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Existence and uniqueness of solution of the Cauchy problem for singular systems of integro-differential equations. (English. Russian original) Zbl 0824.45008

Ukr. Math. J. 45, No. 12, 1932-1937 (1993); translation from Ukr. Mat. Zh. 45, No. 12, 1716-1720 (1993).
MSC:  45J05 45G15 45M05
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Existence and asymptotic properties of solutions of a real system of differential equations unresolved with respect to the derivative. (English. Russian original) Zbl 0814.34003

Ukr. Math. J. 45, No. 10, 1644-1648 (1993); translation from Ukr. Mat. Zh. 45, No. 10, 1461-1464 (1993).
MSC:  34A09 34A12
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Differential equations with hysteresis nonlinearities of vector relay system type. (English. Russian original) Zbl 0816.34004

Russ. Acad. Sci., Dokl., Math 48, No. 1, 105-109 (1994); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 331, No. 4, 398-400 (1993).
MSC:  34A12 82D40 47H30
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On a nonlocal problem for a quasilinear first-order hyperbolic system with two independent variables. (English. Russian original) Zbl 0839.35075

Ukr. Math. J. 45, No. 9, 1465-1470 (1993); translation from Ukr. Mat. Zh. 45, No. 9, 1307-1311 (1993).
MSC:  35L60 35L45 35A07 35D05
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On change-of-variables families and a uniqueness theorem for ordinary differential equations. (English. Russian original) Zbl 0811.34003

Russ. Acad. Sci., Dokl., Math. 47, No. 3, 624-628 (1993); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 330, No. 6, 704-706 (1993).
MSC:  34A12
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Phase spaces of linear dynamical equations of Sobolev type. (English. Russian original) Zbl 0811.34045

Russ. Acad. Sci., Dokl., Math. 47, No. 3, 612-617 (1993); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 330, No. 6, 696-699 (1993).
MSC:  34G10 34A12
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\(C\)-semigroups and regularization of an ill-posed Cauchy problem. (English. Russian original) Zbl 0815.34048

Russ. Acad. Sci., Dokl., Math. 47, No. 2, 228-232 (1993); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 329, No. 3, 270-273 (1993).
Reviewer: S.Totaro (Firenze)
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Semilinear equations of Sobolev type with relatively sectorial operator. (English. Russian original) Zbl 0816.34042

Russ. Acad. Sci., Dokl., Math. 47, No. 2, 233-238 (1993); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 329, No. 3, 274-277 (1993).
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Traveling-wave solutions and their application to inverse problems of sorption dynamics. (English. Russian original) Zbl 0817.76085

Comput. Math. Model. 5, No. 2, 151-156 (1994); translation from Tikhonov, A. N. (ed.) et al., Mathematical models in the optimization of computing algorithms. Work collection, Moskva, 67-74 (1993).
MSC:  76R50 35Q35 35R30
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High-order conditions with respect to a subsystem of constraints in the abstract minimization problem on a set of sequences. (English. Russian original) Zbl 1331.49008

Comput. Math. Model. 4, No. 4, 410-418 (1993); translation from Vsesoyuznyĭ Nauchno Issled. Inst. Sist. Issled., Sb. Tr. 1990, No. 14, 86-95 (1990).
MSC:  49J27 49J21 49J35
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High-order conditions for a minimum on a set of sequences in the abstract problem with inequality and equality constraints. (English. Russian original) Zbl 1331.49007

Comput. Math. Model. 4, No. 4, 401-409 (1993); translation from Vsesoyuznyĭ Nauchno Issled. Inst. Sist. Issled., Sb. Tr. 1990, No. 14, 76-86 (1990).
MSC:  49J27 49J35 49J21
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High-order conditions for a minimum on a set of sequences in the abstract problem with inequality constraints. (English. Russian original) Zbl 1331.49006

Comput. Math. Model. 4, No. 4, 393-400 (1993); translation from Vsesoyuznyĭ Nauchno Issled. Inst. Sist. Issled., Sb. Tr. 1990, No. 14, 68-76 (1990).
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Local Lipschitz property of the perturbation function in infinite-dimensional nonconvex extremal problems with operator constraints. (English. Russian original) Zbl 1331.49020

Comput. Math. Model. 4, No. 4, 387-392 (1993); translation from Vsesoyuznyĭ Nauchno Issled. Inst. Sist. Issled., Sb. Tr. 1990, No. 14, 52-58 (1990).
MSC:  49J52 49J35 49J21
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Passage to Lagrange multipliers for determination of the high-order constant for Pontryagin minimum. (English. Russian original) Zbl 1331.49009

Comput. Math. Model. 4, No. 4, 378-386 (1993); translation from Vsesoyuznyĭ Nauchno Issled. Inst. Sist. Issled., Sb. Tr. 1990, No. 14, 42-52 (1990).
MSC:  49J35 49J27 49J21
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