Results 11 to 20 of about 281,878 (266)

An Entropic Fourier Method for the Boltzmann Equation [PDF]

open access: yesSIAM Journal on Scientific Computing, 2018
26 pages, 23 ...
Zhenning Cai, Yuwei Fan, Lexing Ying
openaire   +5 more sources

Mathematical modeling of the electric field in anisotropic semiconductors during Hall measurements [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2023
Background and Objectives: Modern discrete functional semiconductor devices and structural elements of micro- and nanoelectronics use materials with anisotropy of electrical properties.
Filippov, Vladimir Vladimirovich   +1 more
doaj   +1 more source

Fourier Methods in Imaging [PDF]

open access: yesJournal of Electronic Imaging, 2011
Series Editor s Preface. Preface. 1 Introduction. 1.1 Signals, Operators, and Imaging Systems. 1.2 The Three Imaging Tasks. 1.3 Examples of Optical Imaging. 1.4 ImagingTasks inMedical Imaging. 2 Operators and Functions. 2.1 Classes of Imaging Operators. 2.2 Continuous and Discrete Functions. Problems.
Roger L. Easton Jr., Paul J. Kane
openaire   +1 more source

Задача с начальными данными для уравнения, связанного с перидинамической моделью в двумерной области

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2021
В настоящей работе доказывается единственность и существование решения задачи Коши для интегро-дифференциального уравнения, связанного с перидинамической моделью механики твёрдого тела с двумя пространственными переменными.
Юлдашева, А.В.
doaj   +1 more source

Mixed Problem for a Homogeneous Wave Equation with a Nonzero Initial Velocity and a Summable Potential [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2020
For a mixed problem defined by a wave equation with a summable potential equal-order boundary conditions with a derivative and a zero initial position, the properties of the formal solution by the Fourier method are investigated depending on the ...
Kurdyumov, Vitalii Pavlovich   +2 more
doaj   +1 more source

Об одной нелокальной краевой задаче для уравнения четвертого порядка в частных производных

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2021
В данной статье изучается нелокальная задача для уравнения четвертого порядка в которой доказывается существование и единственность решения этой задачи. Решение построено явно в виде ряда Фурье, обоснованы абсолютная и равномерная сходимость полученного ...
Киличов, О.Ш.
doaj   +1 more source

Classic and generalized solutions of the mixed problem for wave equation with a summable potential. Part I. Classic solution of the mixed problem [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2023
The resolvent approach and the using of the idea of A. N. Krylov on the acceleration of convergence of Fourier series, the properties of a formal solution of a mixed problem for a homogeneous wave equation with a summable potential and a zero initial ...
Kurdyumov, Vitalii Pavlovich
doaj   +1 more source

On an inverse boundary-value problem for a second-order elliptic equation with non-classical boundary conditions

open access: yesCumhuriyet Science Journal, 2020
An inverse boundary value problem for a second-order elliptic equation with periodic and integral condition is investigated. The problem is considered in a rectangular domain.
Nergiz Heydarzade   +2 more
doaj   +1 more source

Nonlocal inverse boundary-value problem for a 2D parabolic equation with integral overdetermination condition

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2020
This article studies a nonlocal inverse boundary-value problem for a two-dimensional second-order parabolic equation in a rectangular domain. The purpose of the article is to determine the unknown coefficient and the solution of the considered problem ...
E.I. Azizbayov, Y.T. Mehraliyev
doaj   +1 more source

On one boundary value problem for the fourth-order equation in partial derivatives

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2022
he initial-boundary problem for the heat conduction equation inside a bounded domain is considered. It is supposed that on the boundary of this domain the heat exchange takes place according to Newton’s law.
Kilichov, O.Sh., Ubaydullaev, A.N.
doaj   +1 more source

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