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Differencialʹnye uravneniâ
Tome 30 (1994)
Précédent
Suivant
Sommaire du
Fascicule no. 1
The structure of the set of Lyapunov characteristic exponents of exponentially stable quasi-linear systems
E. A. Barabanov
;
I. A. Volkov
p. 3-19
Basis properties of the eigenfunctions of some nonselfadjoint differential operators
B. T. Bilalov
;
Yu. K. Yusifaliev
p. 20-25
On the regularization of singular functional-differential equations
E. I. Bravyi
p. 26-34
Asymptotics of the eigenvalues of a singular differential operator
V. V. Dubrovskii
;
V. Kh. Aliverdiev
p. 35-40
On the Green function for a boundary value problem on a graph
I. G. Karelina
;
Yu. V. Pokornyi
p. 41-47
Necessary conditions for the satisfaction of a Hilbert-type inequality in a system of root functions of a second-order ordinary differential operator
A. A. Malov
p. 48-59
A component-wise estimate for the difference of partial sums of root vector function expansions, which correspond to two Schr\"odinger operators with non-Hermitian matrix potentials, for vector functions with monotone components
E. I. Nikol'skaya
p. 60-69
Expansions in eigenfunctions of the differentiation operator with spread boundary condition
A. M. Sedletskii
p. 70-76
Special boundary value problems for differential equations in a Hilbert space
A. Kh. Shamilov
p. 77-83
$L_2$
-estimates for solutions of model boundary value problems for a system of equations with mixed parabolic-elliptic structure
M. A. Abdrachmanov
p. 84-94
Operator-differential equations with nonregular boundary conditions and their application
I. V. Aliev
p. 95-103
Estimates for the solutions of the Dirichlet problem for second-order elliptic equations in nondivergence form in a neighborhood of a conic point of the boundary
M. V. Borsuk
p. 104-108
On the H\"older property of derivatives of solutions of second-order parabolic equations in noncylindrical domains
I. A. Gasanova
p. 109-118
On systems of root vector functions of the Laplace operator with matrix eigenvalues
V. A. Gorelov
p. 119-127
On the absence of the basis property of a system of root functions of a problem with an oblique derivative
V. A. Il'in
;
E. I. Moiseev
p. 128-143
On the existence of a well-posed two-point boundary value problem in a layer for systems of pseudo-differential equations
А. А. Makarov
p. 144-150
Solvability of boundary value problems for parabolic and polyparabolic equations in a noncylindrical domain with nonsmooth lateral boundaries
M. O. Orynbasarov
p. 151-161
Construction of a semibounded functional for a boundary value problem for nonlinear nonstationary Navier--Stokes equations
V. M. Savchin
p. 162-168
On the eigenvalues of a class of nonselfadjoint operators
T. S. Aleroev
p. 169-171
Regularization of the problem of the control of a dynamical system in a Hilbert space under conditions of uncertainty
A. R. Danilin
p. 172-174
Finite difference approximations for the multidimensional equation of convective diffusion
S. L. Lapko
;
A. N. Rashid
p. 175-177
Distribution of the eigenvalues of finite multiplicity of Neumann extensions of an elliptic operator
V. A. Mikhailets
p. 178-179
Sommaire du
Fascicule no. 2
Convergence of normalizing transformations of a nonautonomous system of differential equations with a small parameter multiplying the derivative
V. V. Basov
p. 187-196
Sufficient conditions for the satisfaction of a Hilbert-type inequality in a system of root functions of a second-order ordinary differential operator
A. A. Malov
p. 197-203
The truncation method in the construction of invariant tori of countable systems of differential equations
A. M. Samoilenko
;
Yu. V. Teplinskii
p. 204-212
Decreasing perturbations that preserve the characteristic vectors of linear systems
O. P. Stepanovich
p. 213-220
A two-dimensional analogue of the Helmholtz resonator with ideally rigid walls
R. R. Gadyl'shin
p. 221-229
Some boundary value problems for mixed loaded equations of second and third orders
V. A. Eleev
p. 230-237
Control systems with distributed parameters in scales of Banach spaces. I
V. I. Nazarov
p. 238-249
The Volterra property and spectral properties of an inner superposition operator
E. S. Zhukovskii
p. 250-255
On the composition of a Bessel-type integral operator with operators of fractional integro-differentiation and the solution of differential equations
A. A. Kilbas
;
S. A. Shlapakov
p. 256-268
An operational method for solving some classes of integro-differential equations
Yu. F. Luchko
;
S. B. Yakubovich
p. 269-280
Efficient iterative methods for solving multidimensional problems in mathematical physics. II
V. N. Abrashin
;
I. A. Dzyuba
p. 281-291
FD-schemes of any order of accuracy (uniform with respect to
$\epsilon$
) for singularly perturbed systems of second-order ordinary differential equations with piecewise-smooth coefficients
V. L. Makarov
;
V. V. Guminsky
p. 292-301
On grid concentration in the solution of weakly singular integral equations by the cubic spline-collocation method
P. Uba
p. 302-310
On the controllability of completely solvable discrete linear time-independent systems
O. V. Khramtsov
p. 311-316
Projection-difference approximations for variational problems of pyroelectricity. II. Discretization and solvability of nonstationary problems
G. A. Shinkarenko
p. 317-326
On a property of solutions of a class of partial differential equations
S. A. Aldashev
p. 327-329
The Neumann problem for elliptic second-order equations in unbounded domains
G. I. Aslanov
p. 330-332
An optimal projection method for solving a class of integral equations
N. S. Gabbasov
p. 333-335
Reduction to an ordinary Tricomi problem of one of its generalizations relating to a system of equations
M. G. Krasil'nikov
p. 336-338
On the approximation of perturbed
$C_0$
-semigroups
S. I. Piskarev
p. 339-341
On the eigenvalues of the Duffin--Kemmer equation and its analogues
O. Ya. Savchenko
p. 342-345
On obtaining the best approximations to the solution of boundary value problems
A. T. Taldykin
;
E. A. Isakova
p. 346-349
On the spectrum of some classes of differential operators
N. B. Uskova
p. 350-352
Global stability of the stationary set of the Hsu--Waltman dynamical system
V. G. Leonov
p. 353-354
Integral representations of harmonic functions that satisfy generalized conjugacy conditions on a ray (interval)
S. E. Kholodovskii
p. 355-357
Школа-семинар «Нелинейные динамические-системы: качественный анализ и управление»
p. 358-362
Sommaire du
Fascicule no. 3
Quasiperiodic solutions of differential systems with a single-frequency nonlinearity in the case of several pairs of purely imaginary eigenvalues
A. K. Demenchuk
p. 371-376
On the existence of a limit cycle in an autonomous system
L. I. Zhilevich
p. 377-380
The Banach--Cacciopoli principle and the implicit function theorem in a binormed space and its applications to differential equations
P. P. Zabreiko
;
T. V. Savchenko
p. 381-392
On the interrelation between characteristic functionals and weak characteristic exponents
E. K. Makarov
p. 393-399
Regular rapidly increasing solutions of the generalized Emden--Fowler equation with advanced argument
V. A. Rabtsevich
p. 400-404
Bifurcation values of the parameters of the Fitz--Hugh equations
G. S. Rychkov
p. 405-408
On the stability of symmetric traveling waves in the Cauchy problem for the Kolmogorov--Petrovski{\v\i}--Piskunov equation
U. G. Abdullaev
p. 409-418
An interior boundary value problem with nonlocal shift for a system of equations of the sex-age structure of a population
R. M. Bischokov
p. 419-424
Control systems with distributed parameters in scales of Banach spaces. II
V. I. Nazarov
p. 425-431
The problem of the control of the shape of an unbounded domain in a hyperbolic system
S. P. Okhezin
p. 432-438
On the analyticity of periodic solutions of differential equations with singular points. II
V. I. Prokhorenko
p. 439-443
Group analysis of defining equations~-- a method for finding recursion operators
M. B. Sheftel
p. 444-456
Stability of isolated stationary points of difference equations with mixed monotonicity of the right-hand side. I
R. Z. Abdullin
p. 457-466
On the Galerkin finite-element method for elliptic quasilinear singularly perturbed boundary value problems. III. Problems with angular boundary layers
I. A. Blatov
p. 467-479
On the stability of additive difference schemes with respect to boundary data
K. Yu. Kishkis
;
R. J. Čiegis
p. 480-487
Convergence of solutions of variational inequalities in the problem of the contact of a plate with a nonsmooth stamp
V. A. Kovtunenko
p. 488-492
A three-point difference scheme of a high order of accuracy for a system of second-order ordinary differential equations (the nonselfadjoint case)
V. L. Makarov
;
V. V. Guminsky
p. 493-502
Monotone difference schemes for convection/diffusion problems
P. N. Vabishchevich
p. 503-513
General solution of a class of systems of linear difference equations with periodic coefficients
G. P. Pelyukh
p. 514-519
On the solvability of a problem of ``nonsensitive'' control
V. I. Agoshkov
;
V. M. Ipatova
p. 520-522
Turnpike properties of solutions of Hamiltonian systems
D. E. Gusev
p. 523-525
On the well-posedness of the Cauchy problem for a third-order equation
A. M. Ezhov
p. 526-528
The Bakaev--Guzh procedure for discrete dynamical systems on Riemannian manifolds
T. Yerovski
;
V. Reitmann
p. 529-532
Calculation of the second Mel’nikov parameter (autonomous case)
V. S. Medvedev
;
E. L. Fedorov
Asymptotic estimates of solutions to boundary value problems for differential equations with operator coefficients
S. L. Èdel'shtein
p. 534-536
The study of a problem on a transverse blow on a relaxing thread
G. M. Zayats
«Понтрягинские чтения-IV» на весенней Воронежской математической школе
V. A. Il'in
;
S. A. Lomov
;
M. S. Nikol'skii
;
Yu. V. Pokornyi
p. 538-539
Рецензия на книгу В.\,Б.~Колмановского и А.\,Д.~Мышкиса «Прикладная теория
V. R. Nosov
p. 540-541
Boris Fedorovich Bylov
O. A. Oleinik
;
È. A. Tikhonova
;
I. V. Gaishun
;
D. M. Grobman
;
N. A. Izobov
;
E. M. Landis
;
V. M. Millionshchikov
;
A. F. Filippov
p. 542-546
Sommaire du
Fascicule no. 4
Sufficient conditions for the stability of stochastic systems with aftereffect
R. I. Kadiev
p. 555-564
On the structure of a neighborhood of weakly attracting compact sets
B. S. Kalitin
p. 565-574
Phase portrait of a set of special solutions of autonomous functional-differential equations
A. D. Myshkis
p. 575-585
On the existence of a smooth invariant foliation in Lorenz-type mappings
M. V. Shashkov
;
L. P. Shilnikov
p. 586-595
Solvability ``in the large'' of a class of quasilinear systems of equations of composite type with nonsmooth data
A. A. Amosov
;
A. A. Zlotnik
p. 596-609
Uniform well-posedness of a family of nonlinear boundary value problems of infinite order
G. S. Balashova
;
Yu. A. Dubinskii
p. 610-620
An approximation of solutions of ``ground state'' type of the equations
$-\Delta u=g(u)$
in
$\mathbf R^{N+1}$
Ya. Sh. Il'yasov
p. 621-629
On boundary value problems with an even number of solutions
V. S. Klimov
p. 630-636
Existence theorems for solutions of nonlinear elliptic problems in
$\mathbf R^N$
in the class of block-radial functions
I. A. Kuzin
p. 637-646
A mathematical model of the generation of modulated waves in a gas-saturated porous medium
A. M. Maksimov
;
E. V. Radkevich
;
I. Ya. Èdel'man
p. 647-658
Positive solutions of the Emden--Fowler equation in a cone
Nguyẽn Minh Trí
p. 659-664
Passage to the limit with respect to viscosity in an equation with a variable direction of parabolicity
P. I. Plotnikov
p. 665-674
On a nonlinear elliptic problem of H. Amann
S. I. Pokhozhaev
p. 675-691
A generalization of the A. Vanderbauwhede variational principle
V. M. Filippov
p. 692-698
Rate of convergence in the closure of a chain of moment equations that correspond to the Navier--Stokes system with a random right-hand side
A. V. Fursikov
;
O. Yu. Imanuvilov
p. 699-711
Uniqueness of the global quasiclassical solution of the Cauchy problem for first-order nonlinear partial differential equations
Tran Duc Van
;
Nguyẽn Duy Thai Sean
p. 712-719
On the existence of asymptotically recurrent motions of dynamical systems
A. Yu. Aleksandrov
p. 720-722
Generalized solvability of loaded wave equation
M. T. Dzhenaliev (Jenaliyev)
p. 723-724
Analytic continuation of solutions of ordinary differential equations
Yu. A. Dubinskii
p. 725-727
Asymptotic equivalence under perturbations of diagonal systems
S. A. Mazanik
Partial differential equations with an operator of finite index at the principal part
N. A. Sidorov
;
O. A. Romanova
;
E. B. Blagodatskaya
p. 729-731
Sommaire du
Fascicule no. 5
Multidimensional dynamical systems
B. A. Shcherbakov
p. 739-747
On the theory of the absolute stability of control systems
S. A. Aisagaliev
p. 748-757
Linear differential equations with generalized coefficients from the standpoint of the theory of mnemonic functions
A. B. Antonevich
;
A. V. Turlo
p. 758-767
Shortest sub-Riemannian geodesics
N. N. Petrov
p. 768-775
Stability in probability of the zero solution of a system of differential equations with random coefficients
V. D. Potapov
p. 776-780
On the smoothness of an invariant torus of a countable linear extension of a dynamical system on an
$m$
-dimensional torus
A. M. Samoilenko
;
Yu. V. Teplinskii
p. 781-790
The Hamilton property of Painlev\'e equations and the method of isomonodromic deformations
B. I. Suleimanov
p. 791-796
Asymptotic splitting of boundary value problems for abstract differential equations
S. L. Edelstein
p. 797-805
Goursat and Darboux problems for the two-dimensional wave equation. I
Ak. B. Bazarbekov
;
Ar. B. Bazarbekov
p. 806-813
On the theory of quasilinear partial differential equations
A. V. Bitsadze
p. 814-820
A hyperbolic Stefan problem
T. D. Dzhuraev
;
J. O. Takhirov
p. 821-831
On a problem with nonlocal boundary conditions when the lines of change of type in a mixed domain are perpendicular
M. M. Zainulabidov
p. 832-837
One-sided estimates for the solutions of the Cauchy problem for second-order parabolic equations in classes of rapidly growing functions. I
L. I. Kamynin
;
B. N. Khimchenko
p. 838-846
Regular solution of a nonlocal boundary value problem for an equation of mixed type
M. G. Karatopraklieva
p. 847-857
Uniqueness of the solution of the Tricomi and Darboux problem for an equation
M. Meredov
p. 858-863
On the spectral characteristics of a nonlocal boundary value problem
E. I. Moiseev
p. 864-872
An asymptotic relationship between solutions of different nonlinear equations for large time values. I
P. I. Naumkin
;
I. A. Shishmarev
p. 873-881
Inversion of singular integrals on a piecewise-smooth contour on a Riemann surface
I. A. Bikchantaev
p. 882-888
A class of integral operators and applications to quasi-elliptic equations. I
G. V. Demidenko
p. 889-898
Construction of differential systems from an infinitesimal operator and a universal invariant of a one-parameter group of transformations
V. N. Gorbuzov
p. 899-901
On the convergence property for linear normal periodic partial differential systems
S. V. Zhestkov
p. 902-904
The neutral manifold principle for finding a limit cycle
Yu. V. Malyshev
;
V. P. Zakharov
;
E. V. Galegova
p. 905-907
A method for reducing boundary value problems to finite systems of algebraic equations
V. V. Pikul
p. 908-910
On equivalence and invariants of ordinary linear differential equations
U. D. Bekbaev
p. 911-912
Lyapunov functions in estimates for the Hausdorff dimension of attractors of a third-order equation
V. A. Boichenko
p. 913-915
Sommaire du
Fascicule no. 6
On the solvability of an initial value problem for an equation with retarded argument with unbounded operator coefficients
R. G. Aliev
p. 923-930
Differential-difference two-parameter control systems
I. V. Gaishun
p. 931-938
Autonomy of integrals and integrating factors of systems of ordinary differential equations
V. N. Gorbuzov
p. 939-946
On the absence of limit cycles in dynamical systems with an integrating factor of a special type
M. V. Dolov
;
A. A. Alekseev
p. 947-954
On the global stability of the zero solution of an autonomous system of two differential equations
I. G. Egorov
p. 955-963
The Cauchy problem as a problem of continuation with respect to the best parameter
E. B. Kuznetsov
;
V. I. Shalashilin
p. 964-971
The Riesz basis property of root vector functions of the Schr\"odinger operator with matrix potential and a matrix spectral parameter
A. V. Kurkina
p. 972-986
On the reduction of a second-order linear system to a triangular system with identical diagonal coefficients
A. V. Lasunsky
p. 987-991
Analytical properties of solutions of some systems of ordinary differential equations and their applications
V. V. Tsegel'nik
p. 992-997
The problem of evasion from a group for inertial objects of a single type
A. A. Chikrii
;
P. V. Prokopovich
p. 998-1004
On a uniqueness theorem for the solution of the Cauchy problem for an ordinary differential equation
V. V. Filippov
p. 1005-1009
Global solutions of equations of potential flows of a compressible viscous fluid for small Reynolds numbers
V. A. Vaigant
;
A. V. Kazhikhov
p. 1010-1022
On the Schr\"odinger and Klein--Gordon equations
A. A. Dezin
p. 1023-1033
An inverse problem with a free boundary in equilibrium plasma theory
A. S. Demidov
;
V. V. Petrova
p. 1034-1038
Some nonlinear mathematical models in the theory of heat conduction that contain a small parameter in the exponents
A. S. Kalashnikov
p. 1039-1049
On semilinear equations with discontinuous coefficients
E. M. Landis
p. 1050-1056
The first boundary value problem for second-order quasilinear elliptic equations with double degeneration
G. I. Laptev
p. 1057-1068
On the solvability of some nonlinear differential equations
M. F. Sukhinin
p. 1069-1077
Goursat and Darboux problems for the two-dimensional wave equation. II
Ar. B. Bazarbekov
;
Ak. B. Bazarbekov
p. 1078-1079
On the behavior as
$t\to+\infty$
of solutions of a quasilinear nonstationary problem with free boundaries
A. A. Zlotnik
;
Nguen Zha Bao
p. 1080-1082
On the structure of continuous solutions of a class of nonlinear difference equations
G. P. Pelyukh
p. 1083-1085
Some cases of splitting of complex separatrices
V. P. Tareev
p. 1086-1088
О~семинаре по качественной теории дифференциальных уравнений в~Московском университете
p. 1089-1099
Sommaire du
Fascicule no. 7
Aleksandr Andreevich Samarski{\v\i} (on the occasion of his seventy-fifth birthday)
A. A. Arsen'ev
;
A. V. Bitsadze
;
A. A. Dorodnitsyn
;
S. V. Emel'yanov
;
V. A. Il'in
;
S. P. Kurdyumov
;
Yu. S. Osipov
p. 1107-1110
A necessary and sufficient condition for the stabilization of the solution of the Cauchy problem for an equation with operator coefficients
A. V. Glushak
p. 1111-1117
Functional relations between solutions of equations of
$P$
-type
V. I. Gromak
;
V. V. Tsegel'nik
p. 1118-1124
On limit cycles of systems with a given partial integral
M. V. Dolov
;
R. V. Kuz'min
p. 1125-1132
Stopping thermal waves in nonhomogeneous media
Yu. A. Klokov
;
A. P. Mikhailov
p. 1133-1138
On the existence of solutions of a class of evolution inclusions on a closed set. I
Ya. I. Umansky
p. 1139-1147
Sequences of changes of variables and the Li\'enard equation
V. V. Filippov
p. 1148-1155
On the stability of fixed points of two-dimensional mappings
È. È. Shnol'
p. 1156-1167
A method of variable directions type for the solution of multidimensional problems in mathematical physics in domains with a curvilinear boundary
V. N. Abrashin
;
I. A. Dzyuba
p. 1168-1174
Operator-difference equations of divergence type
P. N. Vabishchevich
;
P. P. Matus
;
V. S. Shchehlik
p. 1175-1186
Efficient methods for solving first-order hyperbolic systems
V. M. Volkov
;
N. G. Zhadaeva
p. 1187-1193
On a difference method for solving a boundary inverse problem of heat conduction
G. F. Gromyko
p. 1194-1201
Efficient iterative algorithms for solving nonlinear multidimensional problems in mathematical physics. I
A. A. Egorov
p. 1202-1210
On the nonlinear spectral problem in the superelement method
S. V. Kartyshov
;
L. F. Yukhno
;
S. V. Basova
;
D. G. Pleshkov
p. 1211-1216
Variational problems in the theory of three-layer shallow shells
M. M. Karchevskii
;
V. N. Paimushin
p. 1217-1221
Iterative processes for the realization of implicit difference schemes for equations of a viscous incompressible fluid
S. L. Lapko
p. 1222-1229
Superconvergence of finite-element approximations of eigenfunctions
S. I. Solov'ev
p. 1230-1238
Error estimates for the scheme of the finite element method for second-order quasilinear degenerate elliptic equations
M. R. Timerbaev
;
A. D. Lyashko
p. 1239-1243
Grid approximation of boundary value problems for singularly perturbed quasilinear elliptic equations in the case of limit equations that are degenerate on the boundary
G. I. Shishkin
p. 1244-1258
On a semi-Lagrangian method for the realization of radiation conditions in the numerical solution of Navier-Stokes equations
I. S. Shchukina
;
V. V. Ivanov
;
A. N. Rashid
p. 1259-1267
An iterative method for solving quasi-optic problems
T. V. Veremeenko
p. 1268-1269
Stability and instability zones for equations of the oscillations of a continuum
A. F. Zubova
p. 1270-1273
Estimates for the Hausdorff dimension of invariant sets in a cylindrical phase space
V. G. Leonov
p. 1274-1276
On a class of
$(n+1)$
-order systems with single-valued solutions
I. P. Martynov
;
V. A. Pron'ko
p. 1277-1278
A criterion for the exponential separation of a linear system
M. I. Rakhimberdiev
p. 1279-1281
Absolute stability of nonlinear systems with high-frequency parametric excitation
A. V. Savkin
p. 1282-1283
Sommaire du
Fascicule no. 8
Nonmonotone Lyapunov functionals. Conditions for the stability of equations with delay
I. V. Gaishun
;
L. B. Knyazhishche
p. 1291-1298
Ordinary differential equations with discontinuous right-hand sides
V. V. Filippov
p. 1299-1306
Periodic relaxation solutions of a nonlinear autonomous system of differential equations that describes the kinetics of a chemical reaction
A. V. Shobukhov
p. 1307-1316
A model elliptic equation with a
$\delta$
-like coefficient
A. B. Antonevich
;
N. V. Fursenko
p. 1317-1324
Energy estimates for solutions and unique solvability of the Fourier problem for linear and quasilinear parabolic equations
N. M. Bokalo
p. 1325-1334
Pointwise stabilization of solutions of parabolic equations with periodic coefficients in a punctured space
K. V. Valikov
p. 1335-1349
Asymptotic expansion of the solution of a mixed problem for the wave equation in the exterior of vanishing and nontrapping obstacles
M. I. Ganzha
p. 1350-1361
One-sided estimates for the solutions of the Cauchy problem for second-order parabolic equations in classes of rapidly growing functions. II
L. I. Kamynin
;
B. N. Khimchenko
p. 1362-1369
On the uniform boundedness of solutions of nonlinear elliptic variational inequalities in variable domains
A. A. Kovalevsky
p. 1370-1373
On the regularization and correction of noncoercive nonlinear equations of monotone type
M. Yu. Kokurin
p. 1374-1383
On the stationary Lyapunov problem for a system of first-order quasilinear partial differential equations
N. B. Konyukhova
p. 1384-1395
On the solvability of a conjugation problem that describes the diffusion of admixtures in silicon
V. I. Korzyuk
;
E. S. Cheb
p. 1396-1404
A mixed problem for a strongly degenerate evolution system
S. P. Lavrenyuk
p. 1405-1411
A boundary value problem for even-order differential equations whose operator coefficients have variable domains
F. E. Lomovtsev
p. 1412-1425
On the uniqueness of the solution of the problem of determining the shape of a periodic surface from the inverse scattering data
A. G. Mikheev
p. 1426-1431
An asymptotic relationship between solutions of different nonlinear equations for large time values.~II
P. I. Naumkin
;
I. A. Shishmarev
p. 1432-1444
The averaging of a mixed problem with an oblique derivative for an elliptic operator in a perforated domain
S. E. Pastukhova
p. 1445-1456
On an eigenfunction for a boundary value problem in a disk
E. G. Sitnikova
p. 1457-1461
Smooth orbital equivalence in a neighborhood of a singular point on a plane
I. U. Bronshtein
;
I. V. Nikolaev
p. 1462-1464
Boundedness of normalized eigenfunctions for the Sturm--Liouville problem with minimal constraints on the smoothness of the coefficients
V. Ya. Yakubov
p. 1465-1467
Sommaire du
Fascicule no. 9
Minimization of convex functions on convex sets by means of differential equations
A. S. Antipin
p. 1475-1486
On a second-order differential system and its periodic solutions
V. N. Gorbuzov
p. 1487-1497
Existence of optimal controls and necessary conditions for optimality for partially observable diffusion processes
N. G. Dokuchaev
p. 1498-1507
Polynomial representations of higher-order central exponents
N. A. Izobov
p. 1508-1515
On a connection between the form of the boundary conditions and the basis property and the property of equiconvergence with a trigonometric series of expansions in root functions of a nonselfadjoint differential operator
V. A. Il'in
p. 1516-1529
Separation of solutions of a class of nonlinear integral equations
M. D. Babich
p. 1530-1541
Singular integral operators in domains with corners in the plane
V. B. Vasil'ev (Vasilyev)
p. 1542-1552
Theory of singular solutions of singular integral equations and its application in diffraction problems
I. I. Lifanov
;
I. K. Lifanov
p. 1553-1560
On a remark of E. Goursat and its applications
E. L. Perchik
p. 1561-1565
On an approximate solution of the Riemann problem with a discontinuous coefficient and right-hand side on an open contour
A. P. Svetnoi
;
N. S. Yashchuk
p. 1566-1573
On a system of integral equations that arises in nonstationary problems of aerodynamics
A. V. Setukha
p. 1574-1583
Stability of isolated stationary points of difference equations with mixed monotonicity of the right-hand side. II
R. Z. Abdullin
p. 1584-1593
A posteriori observation-estimation problems for two-parameter discrete systems with a fuzzy description of noise and perturbations
A. I. Astrovskii
;
S. K. Korzhenevich
p. 1594-1600
On the error of the collocation method for singular integral equations with conjugation
V. D. Didenko
p. 1601-1606
An approximate method for solving a Prandtl-type integral equation for a profile with a corner
I. K. Lifanov
;
L. N. Poltavskii
p. 1607-1616
Approximate solution of singular integral equations under conditions of incomplete information
A. F. Matveev
p. 1617-1625
Solution of weakly singular integral equations by the subdomain method
A. Pedas
p. 1626-1634
On a numerical scheme for the Multhopp integral equation
L. N. Poltavskii
p. 1635-1644
On an approximate solution of two-sided three-element boundary value problems with a shift, and their applications
N. Ya. Tikhonenko
p. 1645-1651
Sommaire du
Fascicule no. 10
Approximate equivalence transformations
V. A. Baikov
;
R. K. Gazizov
;
N. H. Ibragimov
p. 1659-1664
Uniform exponents of linear systems of differential equations
E. A. Barabanov
;
A. V. Konyukh
p. 1665-1676
Linear Noetherian boundary value problems for impulse differential systems with delay
A. A. Boichuk
;
V. F. Zhuravlyov
;
A. M. Samoilenko
p. 1677-1682
Properties of a local Lie group that has the Hamiltonian of a finite-dimensional system as an invariant
I. S. Emel'yanova
p. 1683-1686
Control of Lyapunov exponents of compatible systems. I
S. N. Popova
;
E. L. Tonkov
p. 1687-1696
An invariant difference model for the equation
$u_t=u_{xx}+\delta u\ln u$
M. I. Bakirova
;
V. A. Dorodnitsyn
p. 1697-1702
On the classification of third-order partial differential equations of Painlev\'e type
N. S. Berezkina
;
I. P. Martynov
;
V. A. Pron'ko
p. 1703-1709
On an
$R$
-solution generated by a differential inclusion of hyperbolic type
A. N. Vityuk
p. 1710-1718
Theorems on two radii on bounded domains of Euclidean spaces
V. V. Volchkov
p. 1719-1724
Higher Lie--B\"acklund symmetries of diagonal systems of hydrodynamic type
E. I. Ganzha
p. 1725-1730
A class of integral operators and applications to quasi-elliptic equations. II
G. V. Demidenko
p. 1731-1737
Parabolic equations without a Cauchy boundary condition and problems of the control of diffusion processes. I
N. G. Dokuchaev
p. 1738-1749
One-sided estimates for the solutions of the Cauchy problem for second-order parabolic equations in classes of rapidly growing functions. III
L. I. Kamynin
;
B. N. Khimchenko
p. 1750-1759
On solutions that are bounded and periodic in a strip of quasilinear hyperbolic systems
T. I. Kiguradze
p. 1760-1773
On analytic solutions of the Cauchy problem for parabolic-type equations
Yu. F. Korobeinik
p. 1774-1781
On the behavior of solutions of the Cauchy problem for second-order quasilinear parabolic equations
V. V. Kurta
p. 1782-1791
Isobaric gas flows
L. V. Ovsyannikov
p. 1792-1799
An a priori estimate for the solution of the biharmonic equation
V. G. Prikazchikov
;
A. A. Klunnik
p. 1800-1805
On the generalized solvability of elliptic equations with discontinuous nonlinearities
U. Raitums
;
A. B. Tsibulis
p. 1806-1813
Optimal systems of subalgebras and invariant solutions of rank two for three-dimensional Euler equations
Yu. V. Shan'ko
;
O. V. Kaptsov
p. 1814-1819
Approximate symmetries of an equation of van der Pol type
V. A. Baikov
p. 1820-1822
Normal extensions of second-order differential operators
F. G. Maksudov
;
Z. I. Ismailov
p. 1823-1824
On a class of partially invariant solutions of plane gas flows
S. V. Meleshko
p. 1825-1827
Formulas for the solution of the Tricomi problem for the Lavrent'ev--Bitsadze system
T. V. Chekmarev
p. 1828-1829
Mikhail Mikha{\v\i}lovich Khapaev (on the occasion of his sixtieth birthday)
O. V. Anashkin
;
V. F. Butuzov
;
V. A. Il'in
;
E. I. Moiseev
;
O. P. Filatov
p. 1830-1835
Sommaire du
Fascicule no. 11
On the finite convergence of processes to a sharp minimum and a smooth minimum with a sharp derivative
A. S. Antipin
p. 1843-1854
Calculation of conjugate variables in the continuation procedure for optimal trajectories for problems that are linear with respect to the control
A. P. Afanas'ev
p. 1855-1860
Velocity gradient and velocity difference algorithms in a nonlinear control problem: stepwise synthesis
M. V. Druzhinina
;
A. L. Fradkov
p. 1861-1868
Affine control systems, affine distributions and
$t$
-codistributions
V. I. Elkin
p. 1869-1879
Symmetries and the decomposition of nonlinear systems
A. N. Kanatnikov
;
A. P. Krishchenko
p. 1880-1891
Optimal control of an ensemble of trajectories of a singularly perturbed quasilinear system
A. G. Kremlev
p. 1892-1904
On a differential game with an integral performance index
N. Yu. Lukoyanov
p. 1905-1913
A third-order continuous gradient projection method for minimization problems
A. Nedić
p. 1914-1922
A differential pursuit game with a breakdown in the dynamics
M. S. Nikol'skii
;
Zh. Peng
p. 1923-1927
Stabilization of indeterminate systems with ``pure'' delay in the control by asymptotic invariance methods
A. P. Nosov
p. 1928-1938
On the regularization of the function of the asymptotic value of a control problem under perturbation of the set of initial positions
V. E. Pak
;
A. G. Chentsov
p. 1939-1948
Control of Lyapunov exponents of consistent systems. II
S. N. Popova
;
E. L. Tonkov
p. 1949-1957
Liouville's theorem in optimal control problems
A. V. Pukhlikov
p. 1958-1965
Stability of the equations of the interaction of viscoelastic plates with a fluid
P. A. Vel'misov
;
V. B. Kolmanovskii
;
Yu. A. Reshetnikov
p. 1966-1981
Optimal control of processes described by singular equations of parabolic type
I. A. Kipriyanov
;
A. A. Kulikov
p. 1982-1987
On the solvability of the Cauchy problem on a flag in a manifold for overdetermined systems of nonlinear differential equations
M. V. Korovina
p. 1988-1993
On a method for constructing approximations in the averaging problem in a partially punctured domain
O. A. Oleinik
;
T. A. Shaposhnikova
p. 1994-2000
Dirichlet-type problems for the Lavrent'ev--Bitsadze equation
A. P. Soldatov
p. 2001-2009
The Tricomi problem for an equation of mixed type of the second kind in the case of an unbounded domain
R. S. Khairullin
p. 2010-2017
Normal boundary value problems for a second-order equation with bounded operator potential
Z. I. Ismailov
p. 2018-2019
Письмо в~редакцию
N. Rozov
Sommaire du
Fascicule no. 12
On the spectral properties of well-posed restrictions and extensions of the Sturm--Liouville operator
B. N. Biyarov
p. 2027-2032
A regularized third-order continuous gradient projection method
F. P. Vasil'ev
;
A. Nedić
p. 2033-2042
Componentwise equiconvergence with a trigonometric series of expansions in root vector functions of the Schr\"odinger operator with matrix potential and a diagonal-matrix eigenvalue
A. V. Dyadechko
p. 2043-2050
On the basis property of systems of eigen- and associated vector functions of the matrix Schr\"odinger operator that correspond to matrix eigenvalues
N. G. Ivin
p. 2051-2063
Some properties of the root functions of an even-order ordinary differential operator
A. A. Malov
p. 2064-2070
Spectral analysis of a boundary value problem for the Schr\"odinger operator with complex potential
A. S. Makin
p. 2071-2081
On the absence of the basis property in a system of root functions for a nonlocal boundary value problem
E. I. Moiseev
p. 2082-2093
On a class of iterative methods for solving stationary Navier--Stokes equations.~II
V. N. Abrashin
;
S. L. Lapko
p. 2094-2105
A preconditioned conjugate gradient method with dual projection
S. S. Belyavsky
;
S. G. Mulyarchick
;
A. W. Popov
p. 2106-2115
Methods of control theory for the numerical integration of ordinary differential equations
V. V. Dikusar
p. 2116-2121
On error estimates for the Bubnov--Galerkin method for coupled problems of thermoelasticity
S. E. Zhelezovsky
p. 2122-2132
Conditions for the null-controllability of linear discrete systems in the presence of constraints on the control
S. A. Minyuk
p. 2133-2145
On the application of adaptive grids in computing the free surface in problems of the statics of a magnetic fluid
V. K. Polevikov
p. 2146-2152
An approximate method for solving a spectral problem in a nonconvex domain
V. G. Prikazchikov
;
G. S. Medvedev
p. 2153-2161
An iterative method for integral equations for problems of scattering by a three-dimensional transparent body
A. B. Samokhin
p. 2162-2174
Linearization of a Burgers-type system connected with the Hamiltonian structure of second-order ordinary differential equations
S. P. Balandin
;
B. I. Suleimanov
p. 2175-2176
On the regularized trace for a power of the Laplace operator on an isosceles right triangle
V. V. Dubrovskii
;
I. V. Tomina
p. 2177-2179
Nonlocal elliptic boundary value problems for systems of Douglis--Nirenberg type
A. A. Murach
p. 2180-2182
Convergence of the collocation method and the mechanical quadrature method for nonlinear singular integral equations in
$L_p$
space
V. N. Seichuk
p. 2183-2185
On a system of basis functions for linear differential equations
V. V. Trefilov
p. 2186-2187
On the existence of solutions of a class of evolution inclusions on a closed set. II
Ya. I. Umansky
p. 2188-2190
Analytic solutions of some linear systems of functional-differential equations in a neighborhood of a regular singular point
V. B. Cherepennikov
p. 2191-2193