Results 41 to 50 of about 9,088,808 (395)

Explanatory Proofs and Grounding in Mathematics: A Reply to Maarefi

open access: yesCrítica
Do explanatory proofs of theorems in mathematics derive their explanatory power by virtue of providing information about the grounds of the theorems they explain?
Marc Lange
doaj   +1 more source

Preservice mathematics teachers’ perceptions of mathematical problem solving and its teaching: A case from China

open access: yesFrontiers in Psychology, 2022
Preservice mathematics teachers’ accurate understanding of mathematical problem solving and its teaching is key to the performance of their professional quality.
Peijie Jiang   +4 more
doaj   +1 more source

Ethnomathematics study: The use of modulo concept in Kampung Naga

open access: yesInfinity
This article discusses the ethnomathematics study of the Kampung Naga community in Tasikmalaya, Indonesia. Ethnomathematics can investigate the application of mathematical notions in these cultural activities.
Uba Umbara   +2 more
doaj   +1 more source

Prophylactic Antibiotics and Wound Infection [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2013
Introduction: Surgical site infections account for 14%-25% of all nosocomial infections. The main aims of this study were to audit the use of prophylactic antibiotic, to quantify the rate of post-operative wound infection, and to identify risk factors
Abubaker Ibrahim Elbur   +3 more
doaj   +1 more source

Retrieval practice may not benefit mathematical word-problem solving

open access: yesFrontiers in Psychology, 2023
The retrieval practice effect refers to the fact that one or even multiple retrievals of memory content during the same period are more effective than repeated studying to promote future memory retention.
Xiaoxue Huang   +3 more
doaj   +1 more source

How to make Dupire's local volatility work with jumps [PDF]

open access: yes, 2013
There are several (mathematical) reasons why Dupire's formula fails in the non-diffusion setting. And yet, in practice, ad-hoc preconditioning of the option data works reasonably well. In this note we attempt to explain why.
Marc Yor   +5 more
core   +1 more source

Expert Consensus on the Diagnosis, Treatment, and Management of Edema (2025) [PDF]

open access: yesZhongguo quanke yixue
Edema is a common clinical problem with complex etiology and a lack of systematic clinical research data, affecting patients' physical and mental health and imposing an economic burden on society.
General Practice Branch of Cross-Straits Medicine Exchange Association, General Practice Branch of Zhejiang Medical Association, General Undifferentiated Disease Professional Committee of Zhejiang Society of Mathematical Medicine, the Expert Collaboration Group on Medically Unspecified Disease in General Practice, Chinese Geriatrics Society
doaj   +1 more source

The perceptions of future teachers about mathematical modeling and the links with D'Ambrosio's conception and mathematical knowledge for teaching

open access: yesDiversitas Journal, 2023
In this work, we present partial results of a qualitative research that aims to investigate mathematical knowledge for the teaching and practice of mathematical modeling in Basic Education.
Claudia de Oliveira Lozada   +2 more
doaj   +1 more source

The Geometry of Thought: Circling Through Concepts

open access: yesPhilosophies
The goal of this paper is to shed light on the nature of mathematical practice, i.e., on “doing mathematics”. It explores Gödel’s perspective, which offers an approach to understanding mathematics centered on concepts, objects, and structures.
Miloš Adžić   +2 more
doaj   +1 more source

A relaxed block splitting preconditioner for complex symmetric indefinite linear systems

open access: yesOpen Mathematics, 2018
In this paper, we propose a relaxed block splitting preconditioner for a class of complex symmetric indefinite linear systems to accelerate the convergence rate of the Krylov subspace iteration method and the relaxed preconditioner is much closer to the ...
Huang Yunying, Chen Guoliang
doaj   +1 more source

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