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Contact interaction of multilayer slabs with an inhomogeneous base

open access: yesMagazine of Civil Engineering, 2022
The article is devoted to the development of mathematical models and new methods for solving contact problems of multilayer elements of structures with an inhomogeneous base, considering their mechanical, structural features, and to the assessment of ...
Mirsaidov Mirziyod, Mamasoliev Kazokboy
doaj   +1 more source

Polyconvex functionals and maximum principle

open access: yesMathematics in Engineering, 2023
Let us consider continuous minimizers $ u : \bar \Omega \subset \mathbb{R}^n \to \mathbb{R}^n $ of $ \mathcal{F}(v) = \int_{\Omega} [|Dv|^p \, + \, |{\rm det}\,Dv|^r] dx, $ with $ p > 1 $ and $ r > 0 $; then it is known that every ...
Menita Carozza   +3 more
doaj   +1 more source

الالتزام بالمذاهب الأربعة بين الانضباط والجمود - تحليل ومقارنة

open access: yesMarifetname, 2022
من المعلوم في أصول الفقه أنَّ المكلَّف إما أن يكون مجتهداً أو مقلِّداً، فالأول هو القادر على استنباط الأحكام الشرعية من أدلتها مباشرةً، وهذا واجبهُ الاجتهاد، والثاني هوالعاجز عن استنباط الأحكام من أدلتها، وهذا عليه أن يقلِّد اﻟﻤﺠتهدين، وقد شاع بين ...
Mohammad Rachıd Aldershawi
doaj   +1 more source

Regularity for Semilinear Neutral Hyperbolic Equations with Cosine Families

open access: yesMathematics, 2020
The purpose of this paper is to obtain the regularity for solutions of semilinear neutral hyperbolic equations with the nonlinear convolution. The principal operator is the infinitesimal generator of a cosine and sine families.
Seong-Ho Cho, Jin-Mun Jeong
doaj   +1 more source

A Fourier Analysis Based New Look at Integration

open access: yesAnnales Mathematicae Silesianae, 2023
We approach the problem of integration for rough integrands and integrators, typically representing trajectories of stochastic processes possessing only some Hölder regularity of possibly low order, in the framework of para-control calculus.
Imkeller Peter, Perkowski Nicolas
doaj   +1 more source

Modeling the dynamic semantics of a computer program

open access: yesЦифровые модели и решения, 2023
In this paper, two approaches are used to construct the dynamic semantics of computer programs: the first is the representation of mathematical models of computational processes generated by a computer program in the form of a discrete transformer; the ...
K. E. Iklassova, R. N. Kozhakhmetova
doaj   +1 more source

Commentary on "A Computational Approach to the Detection and Prediction of (Ir)Regularity in Children's Folk Songs"

open access: yesEmpirical Musicology Review, 2023
This commentary on "A Computational Approach to the Detection and Prediction of (Ir)Regularity in Children's Folk Songs" by Mihelač, Povoh, and Wiggins reflects on the use of methods of (statistical) expectation to analyze musical structure and ...
Carlos Eduardo Cancino-Chacon
doaj   +1 more source

Regularity of Stochastic Kinetic Equations [PDF]

open access: yes, 2016
We consider regularity properties of stochastic kinetic equations with multiplicative noise and drift term which belongs to a space of mixed regularity ($L^p$-regularity in the velocity-variable and Sobolev regularity in the space-variable).
Fedrizzi, Ennio   +3 more
core   +5 more sources

On highly regular strongly regular graphs [PDF]

open access: yes, 2020
In this paper we unify several existing regularity conditions for graphs, including strong regularity, $k$-isoregularity, and the $t$-vertex condition. We develop an algebraic composition/decomposition theory of regularity conditions.
Pech, Christian
core   +3 more sources

Analysis of radioactivity levels and hazard assessment of black sand samples from Rashid area, Egypt

open access: yesNuclear Engineering and Technology, 2017
The aim of this study is to evaluate the radioactivity levels and radiological impacts of representative black sand samples collected from different locations in the Rashid area, Egypt.
Mohamed A.E. Abdel-Rahman   +1 more
doaj   +1 more source

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