Search Results - "Il’in, A. V."
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1
Nonlinear Regimes of Electric Convection of Poorly Conducting Fluids in Weightlessness at Low Frequencies of an Electric Field
Published in Fluid dynamics (01-04-2024)“…Electrothermal convection in a poorly conducting fluid in an alternating electric field of a horizontal capacitor is studied. The nonlinear regimes of electric…”
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2
Existence of an Anti-Perron Effect of Change of Positive Exponents of the Linear Approximation System to Negative Ones under Perturbations of a Higher Order of Smallness
Published in Differential equations (01-12-2023)“…We prove the existence of a two-dimensional linear system , , with bounded infinitely differentiable coefficients and all positive characteristic exponents, as…”
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3
The Social Position of Schoolteachers in Russia
Published in Russian education and society (01-09-2013)“…Research on the teaching profession in Russia shows that teachers are characterized by low pay and low prestige. There is an urgent need to change this…”
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4
Linear Version of the Anti-Perron Effect of Change of Positive Characteristic Exponents to Negative Ones
Published in Differential equations (01-11-2022)“…A linear version of the anti-Perron effect of changing all positive Lyapunov characteristic exponents to negative ones is realized. For arbitrary numbers and ,…”
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5
Wave Regimes of Electroconvection of a Low Conducting Liquid under Unipolar Injection of a Charge in a Steady Electric Field
Published in Journal of experimental and theoretical physics (01-02-2020)“…We have analyzed nonlinear regimes for a nonuniformly heated low conducting liquid in a horizontal capacitor in the gravity field and in a steady electric…”
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6
Stationary Regimes of Electric Convection of a Low-Conductivity Fluid in the Case of Unipolar Charge Injection in a Constant Electric Field
Published in Fluid dynamics (01-09-2021)“…Stationary nonlinear regimes of electric convection of a low-conductivity fluid in a horizontal capacitor in the gravity field and a constant electric field…”
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7
Constructing Countably Many Distinct Suslin Sets of Characteristic Exponents in the Perron Effect of Change of Their Values
Published in Differential equations (01-12-2020)“…For any parameters , , and and for two sequences of uniformly bounded arbitrary Suslin sets and , we prove the existence of a two-dimensional nonlinear…”
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8
On the Existence of Linear Differential Systems with All Positive Characteristic Exponents of the First Approximation and with Exponentially Decaying Perturbations and Solutions
Published in Differential equations (01-11-2021)“…We prove the existence of -dimensional linear differential systems with the first approximation having all positive characteristic exponents, with…”
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9
Algorithms for Robust Inversion of Dynamical Systems
Published in Differential equations (01-12-2023)“…A new methodology for solving inverse dynamics problem is developed. The methodology is based on using a mathematical model of a dynamical system and robust…”
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10
A Neutron Diffraction Study of the Effect of Holdings and Heat Treatment on Residual Stresses in a Steel Weld
Published in Physics of metals and metallography (01-09-2022)“…Residual stresses in an X-shaped weld of 32-mm-thick steel plates have been studied using neutron diffraction. The effect of pre-holding of weldments and their…”
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11
Construction of an Arbitrary Suslin Set of Positive Characteristic Exponents in the Perron Effect
Published in Differential equations (01-04-2019)“…For an arbitrary bounded Suslin set S ⊂ (0, +∞) and arbitrary parameters m > 1 and λ 1 ≤ λ 2 < 0, we construct a two-dimensional differential system ẏ = A ( t…”
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12
Model of electrothermal convection of an ideal dielectric in a horizontal capacitor
Published in Fluid dynamics (01-09-2016)“…The behavior of a nonuniformly heated dielectric in a variable electric field of a horizontal capacitor is studied. The action of the dielectrophoretic…”
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13
The Potential for Increasing Fertility and the Family Demographic Policy of Russia
Published in Herald of the Russian Academy of Sciences (01-09-2021)“…In Russia, the type of family with few children has long been entrenched. Important factors in its formation are the prevalence of cohabitation and the high…”
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14
Continual version of the Perron effect of change of values of the characteristic exponents
Published in Differential equations (01-11-2017)“…We prove the existence of a perturbed two-dimensional system of ordinary differential equations such that its linear approximation has arbitrarily prescribed…”
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15
Mastering of the Technology of Assembling of Composite Mill Rolls Under the Conditions of Rail and Structural Steel Shop at the JSC “EVRAZ ZSMK”
Published in Metallurgist (New York) (01-09-2019)“…We develop a technology of assembling of composite mill rolls for the universal stands of the rail and structural steel shop at the JSC “EVRAZ ZSMK.” The…”
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16
Continual Version of the Perron Effect of Change in Values of Characteristic Exponents
Published in Doklady. Mathematics (2018)“…A nonlinear perturbed differential system with a linear approximation is considered. An open question has been the validity of a (continual) version of the…”
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17
Phosphine-Catalyzed Reactions of Imides and Hydrophosphoryl Compounds Addition to Divinyl Sulfone
Published in Russian journal of general chemistry (01-07-2022)“…An efficient method for the phosphine-catalyzed bisaddition of P(O)H compounds and cyclic imides to divinyl sulfone has been developed. The reaction proceeds…”
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18
On the Baire Classification of Positive Characteristic Exponents in the Perron Effect of Change of Their Values
Published in Differential equations (01-11-2018)“…In the complete Perron effect of change of values of characteristic exponents, where all nontrivial solutions y ( t , y 0 ) of the perturbed two-dimensional…”
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19
Model of Electrothermal Convection of a Poorly Conducting Liquid in a Horizontal Capacitor
Published in Surface engineering and applied electrochemistry (01-07-2018)“…A five-mode model is used to analyze the electroconvection of a weakly conducting liquid in an alternating electric field of a horizontal capacitor with hard…”
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20
The Model of Electric Connection of a Low-Conductivity Liquid in High-Frequency Electric Field
Published in Journal of applied mechanics and technical physics (01-03-2018)“…This paper describes the study of electroconvection of low-conductivity fluid in a capacitor with boundary conditions of adhesion on a solid surface in the…”
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