Results 11 to 20 of about 22,104 (259)

The Algebra of Signatures for Extreme Two-Uniform Hypergraphs

open access: yes, 2023
In the last decade, several characterizations have been constructed for constructions such as extreme hypergraphs. One of the most recently described features is the signature. A signature is a number that uniquely describes an extremal and allows one to
Evgeniya Egorova   +2 more
core   +1 more source

Wavelet Time-Scale Modeling of Brand Sales and Prices

open access: yesApplied Sciences, 2022
Marketing is the way we ensure our sales are the best in the market, our prices the most accessible, and our clients satisfied, thus ensuring our brand has the widest distribution.
Tawfeeq M. Alanazi, Anouar Ben Mabrouk
doaj   +1 more source

Linear Algebra and Smarandache Linear Algebra [PDF]

open access: yes, 2003
The present book, on Smarandache linear algebra, not only studies the Smarandache analogues of linear algebra and its applications, it also aims to bridge the need for new research topics pertaining to linear algebra, purely in the algebraic sense.
Vasantha, Kandasamy
core   +1 more source

The Systematic Risk at the Crisis—A Multifractal Non-Uniform Wavelet Systematic Risk Estimation

open access: yesFractal and Fractional, 2021
In the last decade, many factors, such as socio-political and econo-environmental ones, have led to a perturbation in the timeline of the worldwide development, and especially in countries and regions having political changes.
Mounir Sarraj, Anouar Ben Mabrouk
doaj   +1 more source

Hall Current Effect of Magnetic-Optical-Elastic-Thermal-Diffusive Non-Local Semiconductor Model during Electrons-Holes Excitation Processes

open access: yesCrystals, 2022
This paper investigates a theoretical model for the interaction between electrons and holes (E/H) in elastic non-local semiconductors. When the medium is activated by photo-energy because of high temperatures, an optical-elastic-thermal-diffusion (OETD ...
Riadh Chteoui   +3 more
doaj   +1 more source

Primary decompositions of unital locally matrix algebras [PDF]

open access: yesBulletin of Mathematical Sciences, 2020
We construct a unital locally matrix algebra of uncountable dimension that (1) does not admit a primary decomposition, (2) has an infinite locally finite Steinitz number. It gives negative answers to questions from [V. M.
Oksana Bezushchak, Bogdana Oliynyk
doaj   +1 more source

Moore–Gibson–Thompson Stability Model in a Two-Temperature Photonic Semiconductor Excited Medium Affected by Rotation and Initial Stress

open access: yesCrystals, 2022
In this paper, the two-temperature theory is used to examine a novel model that generalizes the Moore–Gibson–Thompson (MGT) effect according to two-dimensional electronic/thermoelastic deformation.
Riadh Chteoui   +4 more
doaj   +1 more source

Growth of generating sets for direct powers of classical algebraic structures [PDF]

open access: yes, 2010
For an algebraic structure A denote by d(A) the smallest size of a generating set for A, and let d(A)=(d(A),d(A2),d(A3),…), where An denotes a direct power of A.
Ruskuc, Nik   +3 more
core   +1 more source

Minimal and random generation of permutation and matrix groups [PDF]

open access: yes, 2012
We prove explicit bounds on the numbers of elements needed to generate various types of finite permutation groups and finite completely reducible matrix groups, and present examples to show that they are sharp in all cases.
Derek F. Holt   +5 more
core   +1 more source

Thermal-Diffusive Processes of an Electron-Hole Non-Local Semiconductor Model with Variable Thermal Conductivity and Hall Current Effect

open access: yesMathematics, 2023
In this work, a novel model is presented that describes thermal diffusion processes through non-local semiconductor materials. The material under study is subjected to the influence of a strong magnetic field, which creates a Hall current.
Abeer Alhashash   +5 more
doaj   +1 more source

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