Results 21 to 30 of about 31,716 (306)

Effects of Thermal Radiation and Chemical Reaction on Hydromagnetic Fluid Flow in a Cylindrical Collapsible Tube with an Obstacle

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2023
The aim of this research is to study the effects of thermal radiation and chemical reaction on hydromagnetic fluid flow in a cylindrical collapsible tube with an obstacle.
Nictor Mwamba   +2 more
doaj   +1 more source

On the Explicit Formula for Eigenvalues, Determinant, and Inverse of Circulant Matrices

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2022
Determining eigenvalues, determinants, and inverse for a general matrix is computationally hard work, especially when the size of the matrix is large enough.
Nur Aliatiningtyas   +2 more
doaj   +1 more source

DEVELOPMENT OF TEACHING AND RESEARCH IN PURE MATHEMATICS IN BRAZIL: CURRENT VIEW

open access: yesRevista Brasileira de História da Matemática, 2020
This article presents an overview on the development of teaching and research in Pure Mathematics in Brazil from 1811 until the year 2010, within the current view.
Clóvis Pereira
doaj   +1 more source

Hydromagnetic flow of micropolar nanofluids with co-effects of thermal radiation and chemical reaction over an inclined permeable stretching surface

open access: yesBeni-Suef University Journal of Basic and Applied Sciences, 2023
Background Many investigations have been conducted by researchers across the globe to examine the behavior of fluids with respect to the influence of some constituent parameters and novel results have been obtained.
O. A. Ajala, P. Adegbite
doaj   +1 more source

Contexts for ‘pure’ mathematics: a framework for analysing A-level mathematics papers

open access: yes, 2007
The use of context in mathematics test items is now accepted practice in many forms of national assessment in the UK. Yet research suggests that such use of context is not straightforward and that children may apply a variety of interpretations to ...
Little, Chris   +3 more
core   +1 more source

Characterizing Lie Algebra Structure via the Commutativity Degree

open access: yesJournal of Mathematics
The aim of this paper is to determine the possible values of the commutativity degree of Lie algebras. We define the asymptotic commutativity degree of Lie algebras and obtain the asymptotic commutativity degree for some of them.
Afsaneh Shamsaki   +2 more
doaj   +1 more source

Identification of a Shiga toxin A‐derived peptide internalized into Gb3 receptor‐bearing cells via interaction with the Shiga toxin B subunit

open access: yesFEBS Letters, EarlyView.
The process of internalization of the Shiga toxin A subunit via formation of a complex with the Shiga toxin B subunit, which specifically binds to the Gb3 receptor. The peptide is designed to act as a carrier of drugs into cancer cells. Here, we explored the potential of peptides derived from the catalytic A subunit of Shiga toxin (STxA) to be drug ...
Giulia Opassi   +6 more
wiley   +1 more source

Interferon beta drives therapy resistance in a patient‐derived model of high‐grade serous ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Interferon type 1 (IFN‐1) production and signaling is associated with the acquisition of therapy resistance, following chronic DNA damage, via Interferon‐related DNA damage resistance signature (IRDS) gene expression. An alternative, DNA damage‐independent role of sustained IFN‐1 mediated resistance was identified and characterized by the emergence of ...
Ashlyn Conant   +11 more
wiley   +1 more source

Dynamical Analysis of Prey Refuge Effects on the Stability of Holling Type III Four-species Predator-Prey System

open access: yesResults in Control and Optimization
Models involving four species with prey refuge and type I responses have been studied with recommendations on their extension to include either type II or type III responses.
Odhiambo Francis   +3 more
doaj   +1 more source

Principal Intuitionistic Fuzzy Ideals and Filters on a Lattice

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2020
In this paper, we generalize the notion of principal ideal (resp. filter) on a lattice to the setting of intuitionistic fuzzy sets and investigate their various characterizations and properties.
Boudaoud Sarra   +2 more
doaj   +1 more source

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