Results 1 to 10 of about 232,251 (119)

Soliton solution of the generalized modified BBM equation and the generalized Boussinesq equation

open access: yesJournal of Ocean Engineering and Science, 2017
In this paper, we obtained the topological soliton solution of the (1+1)-dimensional generalized modified Benjamin–Bona–Mahony equation and shock wave solution of the generalized Boussinesq equation. We get that solutions by using solitary wave ansatz in
Ozkan Guner
doaj   +3 more sources

A non-local problem with integral conditions of the first kind for the string vibration equation

open access: yesВестник Самарского университета: Естественнонаучная серия, 2023
The article considers a problem with integral nonlocal conditions of the first kind. The main goal is to prove the unique solvability of a nonlocal problem with integral conditions of the 1st kind, if the kernels of these conditions depend not only on ...
Y. S. Buntova
doaj   +1 more source

The solvability conditions for the second order nonlinear differential equation with unbounded coefficients in L2(R)

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
The article deals with the existence of a generalized solution for the second order nonlinear differential equation in an unbounded domain. Intermediate and lower coefficients of the equation depends on the required function and considered smooth.
A.N. Yesbayev, M.N. Ospanov
doaj   +1 more source

Global solvability in a three-dimensional Keller-Segel-Stokes system involving arbitrary superlinear logistic degradation

open access: yesAdvances in Nonlinear Analysis, 2020
The Keller-Segel-Stokes ...
Wang Yulan   +2 more
doaj   +1 more source

Classical and Mild Solution of the First Mixed Problem for the Telegraph Equation with a Nonlinear Potential

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2023
We study the first mixed problem for the telegraph equation with a nonlinear potential in the first quadrant. We pose the Cauchy conditions on the lower base of the domain and the Dirichlet condition on the lateral boundary.
V. I. Korzyuk, J. V. Rudzko
doaj   +1 more source

Weak solution of non-Newtonian polytropic variational inequality in fresh agricultural product supply chain problem

open access: yesOpen Mathematics, 2023
In this article, we study a class of variational inequality problems with non-Newtonian polytropic parabolic operators. We introduce a mapping with an adjustable parameter to control the polytropic term, which exactly meets the conditions of Leray ...
Wu Tao
doaj   +1 more source

Construction of the Approximate Solution of Axisymmetric Problem of the Dynamics of Non-Isothermal Moisture Transfer

open access: yesКібернетика та комп'ютерні технології, 2020
Introduction. The calculation of the dynamics of non-isothermal moisture transfer processes in an axisymmetric formulation is essential in the study of wet soils condition around, for example, vertical drains, wells, piles, etc.
Olga Marchenko, Tetiana Samoilenko
doaj   +1 more source

Existence and Multiplicity Results for a Class of Kirchhoff-Type Equations [PDF]

open access: yesSahand Communications in Mathematical Analysis
This paper deals with the existence  and  multiplicity  of non-negative generalized solutions for a class of second-order Kirchhoff-type problems. It is important to mention that no asymptotic condition is required in the nonlinear term either at zero or
Mohammad Reza Heidari Tavani
doaj   +1 more source

A problem with nonlocal conditions for a one-dimensional parabolic equation [PDF]

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2022
In present paper, we consider a problem with nonlocal conditions for parabolic equation and show that there exists a unique weak solution in Sobolev space.
Alexander B. Beylin   +2 more
doaj   +1 more source

Generalized initial-boundary problem for the wave equation with mixed derivative

open access: yesСовременная математика: Фундаментальные направления, 2023
We study an initial-boundary problem for a second-order inhomogeneous hyperbolic equation in a half-strip of the plane containing a mixed derivative with constant coefficients and zero or nonzero potential.
V. S. Rykhlov
doaj   +1 more source

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