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Found 144 Documents (Results 1–100)

On the solvability of stochastic Helmholtz problem. (English. Russian original) Zbl 1467.34056

J. Math. Sci., New York 253, No. 2, 297-305 (2021); translation from Neliniĭni Kolyvannya 22, No. 3, 398-405 (2019).
MSC:  34F05 34A55
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On the continuability of solutions of autonomous differential systems. (English. Russian original) Zbl 1468.37020

Russ. Math. 64, No. 11, 11-22 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 11, 15-28 (2020).
MSC:  37C15 37C20 34A05
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Global asymptotic stability with respect to part of the variables for solutions of systems of ordinary differential equations. (English. Russian original) Zbl 1448.34115

Differ. Equ. 56, No. 6, 710-720 (2020); translation from Differ. Uravn. 56, No. 6, 722-731 (2020).
MSC:  34D20
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Extendability of solutions to autonomous polynomial differential systems. (English. Russian original) Zbl 1447.34006

Russ. Math. 64, No. 2, 8-18 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 2, 10-21 (2020).
MSC:  34A05 34C11 58A17
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Strongly invariant subspaces of nonautonomous linear periodic systems and solutions whose period is incommensurable with the period of the system itself. (English. Russian original) Zbl 1397.34031

Differ. Equ. 54, No. 5, 578-585 (2018); translation from Differ. Uravn. 54, No. 5, 585-591 (2018).
MSC:  34A30 34C25
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Singular Cauchy problem for an ordinary differential equation unsolved with respect to the derivative of the unknown function. (English. Ukrainian original) Zbl 1395.34014

J. Math. Sci., New York 231, No. 6, 712-729 (2018); translation from Neliniĭni Kolyvannya 20, No. 2, 166-183 (2017).
MSC:  34A12 34A09
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Construction of a Fuchs equation with four given finite singular points and given reducible \(2 \times 2\) monodromy matrices. (English. Russian original) Zbl 1393.34062

Differ. Equ. 54, No. 1, 1-6 (2018); translation from Differ. Uravn. 54, No. 1, 3-8 (2018).
MSC:  34G10 34M50
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Instability of the control systems with non-stationary nonlinearities. (English) Zbl 1486.93020

Kal’menov, Tynysbek (ed.) et al., International conference ‘Functional analysis in interdisciplinary applications’, FAIA2017, Astana, Kazakhstan, October 2–5, 2017. Proceedings. Melville, NY: American Institute of Physics (AIP). AIP Conf. Proc. 1880, 060007, 5 p. (2017).
MSC:  93D05 93C10 53Z05
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On new classes of solutions of nonlinear partial differential equations in the form of convergent special series. (English) Zbl 1465.35100

Pasheva, Vesela (ed.) et al., Proceedings of the 43rd international conference on applications of mathematics in engineering and economics, AMEE’17, Sozopol, Bulgaria, June 8–13, 2017. Melville, NY: American Institute of Physics (AIP). AIP Conf. Proc. 1910, Article 040008, 6 p. (2017).
MSC:  35C10
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A new class of reducible linear time-varying systems and its relation to the optimal control problem. (English. Russian original) Zbl 1432.93063

J. Appl. Math. Mech. 80, No. 2, 105-112 (2016); translation from Prikl. Mat. Mekh. 80, No. 2, 147-157 (2016).
MSC:  93B17 49M20
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Differential identities for nonlinear partial differential equations. (Russian, English) Zbl 1349.35047

Vestn. Novosib. Gos. Univ., Ser. Mat. Mekh. Inform. 15, No. 1, 21-28 (2015); translation in J. Math. Sci., New York 215, No. 4, 436-443 (2016).
MSC:  35C05 35Q35 35R30
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On some solutions of certain versions of “sigma” model and some Skyrme-like models. (English) Zbl 1327.35337

Mityushev, Vladimir V. (ed.) et al., Current trends in analysis and its applications. Proceedings of the 9th ISAAC congress, Kraków, Poland, August 5–9, 2013. Cham: Birkhäuser/Springer (ISBN 978-3-319-12576-3/pbk; 978-3-319-12577-0/ebook). Trends in Mathematics. Research Perspectives, 273-280 (2015).
MSC:  35Q51 37K10 37K40
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On the concept of integrability for discrete dynamical systems. Investigation of wandering points of some trace map. (English) Zbl 1321.37020

López-Ruiz, Ricardo (ed.) et al., Nonlinear maps and their applications. Selected contributions from the NOMA 2013 international workshop, Zaragoza, Spain, September 3–4, 2013. Cham: Springer (ISBN 978-3-319-12327-1/hbk; 978-3-319-12328-8/ebook). Springer Proceedings in Mathematics & Statistics 112, 127-158 (2015).
MSC:  37C80 34C14
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Spherical generalized functional-invariant solutions to the wave equation. (Russian, English) Zbl 1349.35225

Vestn. Novosib. Gos. Univ., Ser. Mat. Mekh. Inform. 14, No. 2, 42-48 (2014); translation in J. Math. Sci., New York 211, No. 6, 805-810 (2015).
MSC:  35L05 35B06
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On the problem of propagation of nonlinear coupled TE-TM waves in a layer. (Russian, English) Zbl 1313.35338

Zh. Vychisl. Mat. Mat. Fiz. 54, No. 3, 504-518 (2014); translation in Comput. Math. Math. Phys. 54, No. 3, 522-536 (2014).
MSC:  35Q61 78A25 78A40
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Approximate computation of an eigenwave from measurements of its amplitudes at a given point. (English. Russian original) Zbl 1328.35308

Differ. Equ. 50, No. 5, 633-642 (2014); translation from Differ. Uravn. 50, No. 5, 636-645 (2014).
MSC:  35R30 35L05
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Control of asynchronous spectrum of linear systems with a two-sided dependence of blocks of complete column rank. (English. Russian original) Zbl 1308.34077

Differ. Equ. 50, No. 4, 434-440 (2014); translation from Differ. Uravn. 50, No. 4, 439-445 (2014).
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Construction of a Fuchs equation with four singular points and with given reducible \(2 \times 2\) monodromy matrices on the complex projective line. (English. Russian original) Zbl 1279.34104

Differ. Equ. 49, No. 6, 655-661 (2013); translation from Differ. Uravn. 49, No. 6, 683-689 (2013).
MSC:  34M35 34M03
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Existence of a differential realization of a dynamical system in a Banach space in the constructions of extensions to \(M_p\)-operators. (English) Zbl 1267.93033

Differ. Equ. 49, No. 3, 346-358 (2013); translation from Differ. Uravn. 49, No. 3, 358-370 (2013).
MSC:  93B15 93C25
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Solution of the Cauchy problem for a hyperbolic equation with constant coefficients in the case of two independent variables. (English. Russian original) Zbl 1257.35118

Differ. Equ. 48, No. 5, 707-716 (2012); translation from Differ. Uravn. 48, No. 5, 700-709 (2012).
MSC:  35L30 35C05
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Algorithms for finding hidden oscillations in nonlinear systems. The Aizerman and Kalman conjectures and Chua’s circuits. (English) Zbl 1266.93072

J. Comput. Syst. Sci. Int. 50, No. 4, 511-543 (2011); translation from Izv. Ross. Akad. Nauk, Teor. Sist. Upr. 2011, No. 4, 3-36 (2011).
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Construction of a Pfaff system of Fuchs type with three singular surfaces on a complex projective space. (English. Russian original) Zbl 1180.14009

Differ. Equ. 45, No. 6, 902-906 (2009); translation from Differ. Uravn. 45, No. 6, 883-887 (2009).
MSC:  14D05 58A17 34M35
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Qualitative analysis of the Cauchy problem \(F(t,x,x')=0, x(0)=0\). (English) Zbl 1158.34303

J. Math. Sci., New York 145, No. 5, 5228-5236 (2007); translation from Sovrem. Mat. Prilozh. 36, 78-85, (2005).
MSC:  34A09 34A12
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On the general solution of a linear \(n\)th-order differential equation with constant bounded operator coefficients in a Banach space. (English. Russian original) Zbl 1090.34050

Differ. Equ. 41, No. 5, 687-692 (2005); translation from Differ. Uravn. 41, No. 5, 656-660 (2005).
MSC:  34G10 34A05
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Singular analytic solutions to some linear systems of functional-differential equations in a neighborhood of a regular singularity. (English. Russian original) Zbl 0884.34072

Sib. Math. J. 37, No. 1, 171-183 (1996); translation from Sib. Mat. Zh. 37, No. 1, 197-210 (1996).
MSC:  34K05
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General solutions of the nonlinear wave equation and of the eikonal equation. (English. Russian original) Zbl 0763.35091

Ukr. Math. J. 43, No. 11, 1364-1379 (1991); translation from Ukr. Mat. Zh. 43, No. 11, 1471-1487 (1991).
Reviewer: A.Doktor (Praha)
MSC:  35Q58 35N05 35L70
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