Results 31 to 40 of about 496,286 (202)

Multilinear analysis for discrete and periodic pseudo-differential operators in Lp-spaces [PDF]

open access: yes, 2018
In this note we announce our investigation on the Lp properties for periodic and discrete multilinear pseudo-differential operators. First, we review the periodic analysis of multilinear pseudo-differential operators byshowing classical multilinear ...
Cardona Sanchez, Duvan, Kumar, Vishvesh
core   +1 more source

El rendimiento académico y las actitudes hacia las matemáticas con un sistema tutor adaptativo

open access: yesPNA: Revista de Investigación en Didáctica de la Matemática, 2020
La formación en competencias implica un aprendizaje activo que requiera motivación, capacidad de formular juicios críticos y capacidad de aprender a aprender.
Gerardo Rocha Feregrino   +3 more
doaj  

El software GeoGebra como recurso para la enseñanza de vectores: Una experiencia didáctica

open access: yesREMATEC. Revista de Matemática, Ensino e Cultura, 2021
Se presenta los resultados de una experiencia didáctica utilizando el software GeoGebra como recurso para enseñar vectores a los estudiantes de Física 1, de la Carrera de Pedagogía de las Ciencias Experimentales de la Universidad de Cuenca-Ecuador.
Patricio Guachún Lucero   +1 more
doaj   +1 more source

Generalized Chemical Model for Warm Dense Hydrogen: Ionization Potential Depression and Molecular Dissociation Shifts

open access: yesContributions to Plasma Physics, EarlyView.
ABSTRACT Warm dense matter (WDM) is a complex state, where quantum effects, thermal excitations, and strong interparticle correlations coexist. Understanding its microscopic composition and medium‐induced modifications of atomic and molecular properties is essential for planetary modeling, fusion research, and high‐energy‐density experiments.
L. T. Yerimbetova   +4 more
wiley   +1 more source

Raising awareness of the accessibility challenges in mathematics MOOCs [PDF]

open access: yes, 2017
MOOCs provide learning environments that make it easier for learners to study from anywhere, at their own pace and with open access to content. This has revolutionised the field of eLearning, but accessibility continues to be a problem, even more so if ...
Amado-Salvatierra H. R.   +12 more
core   +1 more source

Sensitivity and Hamming Graphs

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT For any m ≥ 3 $m\ge 3$ we show that the Hamming graph H ( n , m ) $H(n,m)$ admits an imbalanced partition into m $m$ sets, each inducing a subgraph of low maximum degree. This improves previous results by Tandya and by Potechin and Tsang, and disproves the Strong m $m$‐ary Sensitivity Conjecture of Asensio, García‐Marco, and Knauer.
Sara Asensio   +3 more
wiley   +1 more source

Assessing Past and Future Temperature‐ and Precipitation‐Based Indicators in the Republic of Yemen

open access: yesInternational Journal of Climatology, EarlyView.
For the first time in the literature, this work assesses the past and future climatic trends over Yemen, a highly vulnerable country for which science‐based, high‐quality information for the development of climate change adaptation plans was not available until now.
Jorge Alvar‐Beltrán   +5 more
wiley   +1 more source

The calculator as an instrument of validation of mathematical knowledge: a case study (extended version) [PDF]

open access: yes, 2000
En este trabajo se describe detalladamente una experiencia llevada a cabo con profesores de matemáticas en formación, sobre el papel que pueden desarrollar las nuevas tecnologías para llevar a cabo procesos de demostración y prueba en el aula de ...
Codina, Antonio, Lupiáñez, José Luis
core   +1 more source

Non‐Stationary Dry‐Spell Hazard Probabilities for Spain

open access: yesInternational Journal of Climatology, EarlyView.
This study assesses long‐term changes in dry‐spell hazard probabilities across Spain (1961–2024) using a novel non‐stationary extreme value framework applied to daily precipitation records from a dense observational network. Results show that dry‐spell duration and associated return levels are dominantly stationary, with non‐stationary models providing
S. M. Vicente‐Serrano   +13 more
wiley   +1 more source

La actitud de cuadradores y académicos en Barcelona durante el siglo XIX

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2006
En el siglo XIX se resuelve definitivamente la duda sobre la resolubilidad de tres problemas de Geometría clásica que habían preocupado a matemáticos y a aficionados a lo largo de los siglos: La duplicación del cubo, la trisección del ángulo y la ...
Francesc X. Barca Salom
doaj   +1 more source

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