Holmgren problem for Helmholtz equation with the three singular coefficients by Davlatjon R. Muydinjanov

Subjects: “…holmgren problem…”
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The Dirichlet problem for elliptic equation with several singular coefficients by Tuhtasin G. Ergashev

Subjects: “…dirichlet problem…”
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On the Control of Coefficient Function in a Hyperbolic Problem with Dirichlet Conditions by Seda İğret Araz, Murat Subaşi

“…This paper presents theoretical results about control of the coefficient function in a hyperbolic problem with Dirichlet conditions. …”
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On an Optimal -Control Problem in Coefficients for Linear Elliptic Variational Inequality by Olha P. Kupenko, Rosanna Manzo

“…We consider optimal control problems for linear degenerate elliptic variational inequalities with homogeneous Dirichlet boundary conditions. …”
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Coefficient problem for certain subclasses of bi-univalent functions defined by convolution by Altınkaya Sahsene, Yalçın Sibel

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On the initial value problem for a partial differential equation with operator coefficients by Mahmoud M. El-Borai

“…In the present work it is studied the initial value problem for an equation of the form L∂ku∂tk=∑j=1kLj∂k−ju∂tk−j,where L is an elliptic partial differential operator and (Lj:j=1,…,k) is a family of partial differential operators with bounded operator coefficients in a suitable function space. …”
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Inverse Source Problem for a Singular Parabolic Equation with Variable Coefficients by Xue Qin, Shumin Li

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Sharp bounds of logarithmic coefficient problems for functions with respect to symmetric points by N. H. Mohammed

“…Due to the significance of the recent studies about the logarithmic coefficients, the problem of obtaining the sharp bounds for the second Hankel determinant of these coefficients, that is $H_{2,1}(F_f/2)$ was paid attention. …”
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On regularization of a summary equation with holomorphic coefficients by F.N. Garifyanov, E.V. Strezhneva

“…Applications to interpolation problems for entire functions of the exponential type are indicated.…”
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Approximation of an Optimal BV -Control Problem in the Coefficient for the p(x)-Laplace Equation by Ismail Aydin, Peter Kogut

Subjects: “…nonlinear dirichlet problem…”
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A Regularization of the Backward Problem for Nonlinear Parabolic Equation with Time-Dependent Coefficient by Pham Hoang Quan, Le Minh Triet, Dang Duc Trong

“…We study the backward problem with time-dependent coefficient which is a severely ill-posed problem. …”
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Existence of Positive Solutions for Neumann Boundary Value Problem with a Variable Coefficient by Dongming Yan, Qiang Zhang, Zhigang Pan

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VALUATION PROBLEMS OF THE PENSION SYSTEM EFFICIENCY by Yulia A. German

“…However, to date, common approaches to the determination of pension system efficiency aren’t developed and systematized. This article discusses the main methodological problems of evaluation the pension system efficiency the example of the Russian pension system and proposes criteria and indicators that can be used to carry out the relevant calculations.…”
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THE SOCIAL EFFICIENCY OF CONSUMPTION: PROBLEMS AND EVALUATION by Igor K. Beliaevskiy

“…The problem of study and estimation ofsocial efficiency of consumption, namely, the results of satisfaction of needs throughboth the mediation of market and non-market channels is considered in this article. …”
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THE PROBLEM OF EVALUATING INFORMATION SYSTEMS EFFICIENCY by G. Malakhmaev, A. Khochuev

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Identification of a Time-Dependent Coefficient in Heat Conduction Problem by New Iteration Method by Dejian Huang, Yanqing Li, Donghe Pei

“…This paper investigates the problem of identifying unknown coefficient of time dependent in heat conduction equation by new iteration method. …”
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General Riemann-Hilbert problem with discontinuous coefficients for Moisil-Theodoresco system with junior members by Rima Matiukaitė

“… For Moisil–Theodoresco system with junior members a problem of new type, called Riemann­–Hilbert problem with discontinuous coefficients, is considered. …”
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Approximation‎ ‎of a Leading‎ ‎Coefficient in an Inverse Heat Conduction Problem via the Ritz Method by Maryam Ghorbani, Kamal Rashedi

“…‎This paper presents a numerical approach for reconstructing the leading coefficient in an inverse heat conduction problem (IHCP)‎. ‎…”
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Definition of the Complex Refractive Index of an Etalon for Measuring the Reflection Coefficient by V.I. Shkaleto, G.I. Kopach, R.V. Zaitsev

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The Problem of Quality and Efficiency of Educational Institution Management by Svitlana Polishchuk, Oksana Horbatiuk

“…The article researches and substantiates the problem of quality and efficiency of educational institution management, describes the transformation processes that take place in Ukraine at this stage, and reveals the existing problems. …”
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