Search Results - "Il'kiv, V S"

Solvability Conditions for the Nonlocal Boundary-Value Problem for a Differential-Operator Equation with Weak Nonlinearity in the Refined Sobolev Scale of Spaces of Functions of Many Real Variables by Il’kiv, V. S., Strap, N. I., Volyanska, I. I.

“…We study the solvability of the nonlocal boundary-value problem for a differential equation with weak nonlinearity. By using the Nash–Mozer iterative scheme,…”
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Nonlocal Boundary-Value Problem for a Differential-Operator Equation with Weak Nonlinearity in the Spaces of Dirichlet–Taylor Series with Fixed Spectrum by Il’kiv, V. S., Strap, N. I.

“…We study the nonlocal boundary-value problem for a differential-operator equation with nonlinear right-hand side and an operator B = ( B 1 ,… B p ), where its…”
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A Nonlocal Boundary Value Problem for Systems of Infinite-Order Partial Differential Equations by Il'kiv, V S

“…(ProQuest: Abstract omitted; see image)[PUBLICATION ABSTRACT]…”
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The smoothness of solutions of the problems with nonlocal multi-point conditions for strictly hyperbolic equations by V. S. Il'kiv

“…We consider the problem with nonlocal multi-point boundary conditions for high order in time strictly hyperbolic equation with variable coe±cients in Cartesian…”
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Metric Estimates of the Characteristic Determinant of Multipoint Problem for an Euler-Type Equation by Il’kiv, V. S., Symotiuk, M. M., Sloniovskyi, Ya. O.

“…We establish lower estimates for the characteristic determinant of a problem with multipoint conditions in the selected variable with simple interpolation…”
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Nonlocal Boundary-Value Problem for an Equation with Differentiation Operator z ∂/∂z in a Refined Sobolev Scale by Ilkiv, V. S., Strap, N. І., Volyanska, І. І.

“…We study a nonlocal boundary-value problem for a differential equation with operator of generalized differentiation B = z ∂/∂ z acting upon the functions of…”
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On Nontrivial Solutions of a Homogeneous Two-Point (In Time) Problem for the System of Equations of the Dynamic Theory of Elasticity by Nytrebych, Z. M., Il’kiv, V. S., Pukach, P. Ya, Malanchuk, O. M.

“…We establish sufficient conditions for the existence of nontrivial solutions of a homogeneous system of Lamé equations satisfying homogeneous two-point (in…”
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On the Unique Solvability of a Three-Point Problem for Partial Differential Equation in a Two-Dimensional Domain by Kalenyuk, P. I., Volyans’ka, I. I., Il’kiv, V. S., Nytrebych, Z. M.

“…We study the problem with three-point conditions with respect to the time for a homogeneous partial differential equation in a plane domain. It is shown that…”
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Nonlocal Boundary-Value Problem for a Second-Order Partial Differential Equation in an Unbounded Strip by Volyanska, I. I., Ilkiv, V. S., Symotyuk, M. M.

“…The conditions of well-posedness of nonlocal boundary-value problems are established for a second-order linear partial differential equation in an unbounded…”
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Solvability of the Nonlocal Boundary-Value Problem for a System of Differential-Operator Equations in the Sobolev Scale of Spaces and in a Refined Scale by Il’kiv, V. S., Strap, N. I.

“…We study the solvability of the nonlocal boundary-value problem with one parameter for a system of differential-operator equations in the Sobolev scale of…”
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Nonuniqueness conditions for the solutions of the Dirichlet problem in a unit disk in terms of the coefficients of differential equation by Il’kiv, V. S.

“…We consider the Dirichlet problem in a unit disk for the main-type partial differential equations with constant complex-valued coefficients whose symbols are…”
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The smoothness of solutions of the problems with nonlocal multi-point conditions for strictly hyperbolic equations by V. S. Il'kiv

“…We consider the problem with nonlocal multi-point boundary conditions for high order in time strictly hyperbolic equation with variable coe±cients in Cartesian…”
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Algebraic and asymptotic formulas that relate superresolution methods by IL'KIV, V. S

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Nonlocal two-point problem for partial differential equations with linearly dependent coefficients by Il’kiv, V. S., Savka, I. Ya

“…In the Cartesian product of the time segment and a spatial multidimensional torus, we investigate a problem with nonlocal two-point boundary conditions for a…”
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Problems for partial differential equations with nonlocal conditions. Metric approach to the problem of small denominators by Il’kiv, V. S., Ptashnyk, B. I.

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An ill-posed nonlocal two-point problem for systems of partial differential equations by Il’kiv, V. S., Ptashnyk, B. I.

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Estimate of the Measure of Level Set for the Solutions of Differential Equations with Constant Coefficients by Il’kiv, V. S., Nytrebych, Z. M.

“…We establish the upper estimate of the measure of level set for the functions obtained as solutions of inhomogeneous ordinary differential equations with…”
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A nonlocal boundary-value problem for partial differential equations of infinite order by Il'kiv, V. S.

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A nonlocal multipoint problem for pseudodifferential operators with analytic symbols by Il'kiv, V. S., Polishchuk, V. N., Ptashnik, B. I., Salyga, B. O.

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A problem with formal initial conditions for differential equations with constant pseudodifferential coefficients by Il’kiv, V. S.

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