Yeshkeyev, A.R.; Tungushbayeva, I.O.; Koshekova, A.K.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
In this article, within the framework of the study of Jonsson theories, the model-theoretic properties of
cosemanticness classes belonging to the factor set of the Jonsson spectrum of an existentially closed models’
subclass ...
Srinivas, E.; Phaneendra, K.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
A trigonometric spline based computational technique is suggested for the numerical solution of layer
behavior differential-difference equations with a fixed large delay. The continuity of the first order derivative
of ...
Sivasankar, S.; Udhayakumar, R.; Muthukumaran, V.; Gokul, G.; Al-Omari, S.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
The goal of this study is to propose the existence of mild solutions to delay fractional neutral stochastic
differential systems with almost sectorial operators involving the Hilfer fractional (HF) derivative in Hilbert
space, ...
Ramazanov, M.I.; Pskhu, A.V.; Omarov, M.T.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
This article addresses the problems observed in branching fractal structures, where super-slow transport
processes can occur, a phenomenon described by diffusion equations with a fractional time derivative. The
characteristic ...
Parasidis, I.N.; Providas, E.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
Boundary value problem B1x = f with an abstract linear operator B1, corresponding to an Fredholm
integro-differential equation with ordinary or partial differential operator is researched. An exact solution
to B1x = f ...
Otarova, J.A.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
Many problems in mechanics, physics, and geophysics lead to solving partial differential equations that are
not included in the known classes of elliptic, parabolic or hyperbolic equations. Such equations, as a rule,
began ...
Malyshev, V.P.; Kazhikenova, S.Sh.; Makasheva, A.M.; Kazhikenova, A.Sh.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
The discrete and continuous dependencies’ relationship question has been investigated. An algorithm for
determining the final and total series sums through the equivalence ratio of the series common term an and
the ...
Kulpeshov, B.Sh.; Sudoplatov, S.V.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
This article concerns the notion of weak circular minimality being a variant of o-minimality for circularly
ordered structures. Algebras of binary isolating formulas are studied for countably categorical weakly
circularly ...
Kalmenov, T.Sh.; Kadirbek, A.; Kydyrbaikyzy, A.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
The main aim of this paper is to study the properties of the one-dimensional potentials. In this paper,
we have studied the connection between the one-dimensional potentials and the self-adjoint part of the
operator ...
Jenaliyev, M.T.; Serik, A.M.; Yergaliyev, M.G.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
Due to the fact that the Navier-Stokes equations are involved in the formulation of a large number of
interesting problems that are important from an applied point of view, these equations have been the
object of attention ...
Iskakova, G.Sh.; Aitenova, M.S.; Sexenbayeva, A.K.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
Parameters such as various integral and differential characteristics of functions, smoothness properties of
regions and their boundaries, as well as many classes of weight functions cause complex relationships and
embedding ...
Imanbetova, A.B.; Sarsenbi, A.A.; Seilbekov, B.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
In this paper, the inverse problem for a fourth-order parabolic equation with a variable complex-valued
coefficient is studied by the method of separation of variables. The properties of the eigenvalues of the
Dirichlet ...
Assanova, A.T.; Kadirbayeva, Zh.M.; Medetbekova, R.A.; Mynbayeva, S.T.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
In this article, the problem for a differential-algebraic equation with a significant loads is studied. Unlike
previously studied problems for differential equations with a significant loads, in the considered equation,
there ...
Aripov, M.M.; Rakhmonov, Z.R.; Alimov, A.A.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
We study the global solvability and unsolvability of a nonlinear diffusion system with nonlinear boundary
conditions in the case of slow diffusion. We obtain the critical exponent of the Fujita type and the critical
global ...
Akylbayev, M.I.; Kaspirovich, I.E.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
The numerical solution of a system of differential equations with constraints can be unstable due to
the accumulation of rounding errors during the implementation of the difference scheme of numerical
integration. To ...
Aida-zade, K.R.; Abdullayev, V.M.(Академик Е.А. Бөкетов атындағы Қарағанды университеті, 2024-03-30)
We investigate a system of linear ordinary differential equations containing point and integral loadings
with nonlocal boundary conditions. Boundary conditions include integral and point values of the unknown
function. ...
Zhumabekova, G.E.(Karagandy University of the name of acad. E.A. Buketov, 2023-12-30)
The article is committed to the study of model-theoretic properties of stable hereditary Jonsson theories, wherein we consider Jonsson theories that retain jonssonnes for any permissible enrichment. The paper proves a ...
Zhangazinova, D.M.; Naurazbekova, A.S.(Karagandy University of the name of acad. E.A. Buketov, 2023-12-30)
In recent years there has been a great interest in the study of Zinbiel (dual Leibniz) algebras. Let A be Zinbiel algebra over an arbitrary field K and let ei, e2, ... , em, ... be a linear basis of A. In 2010 A. Naurazbekova, ...
Zhangabergenova, N.S.; Temirhanova, A.M.(Karagandy University of the name of acad. E.A. Buketov, 2023-12-30)
Iterated Hardy-type inequalities are one of the main objects of current research on the theory of Hardy inequalities. These inequalities have become well-known after study boundedness properties of the multidimensional ...
Yuldashev, T .K .(Karagandy University of the name of acad. E.A. Buketov, 2023-12-30)
In this paper, we consider a linear Benney-Luke type partial integro-differential equation of higher order with degenerate kernel and two redefinition functions given at the endpoint of the segment and two parameters. To ...