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Adaptive finite element methods (FEM) have been widely used in applications for over 20 years now. In practice, they converge starting from coarse grids, although no mathematical theory has been able to prove this assertion. Ensuring an error reduction rate…

A new computable a posteriori error estimator is introduced, which relies on the solution of small discrete problems on stars. It exhibits built-in flux equilibration and is equivalent to the energy error up to data oscillation without any saturation assumption.…

Data oscillation is intrinsic information missed by the averaging process associated with finite element methods (FEM) regardless of quadrature. Ensuring a reduction rate of data oscillation, together with an error reduction based on a posteriori error estimators, we construct a…

A produção animal nos ecossistemas do semi-árido é influenciada pela variabilidade espacial e interanual da oferta quantitativa e qualitativa de recursos forrageiros. A dinâmica da acumulação de fitomassa para a maioria das diferentes espécies da caatinga é pouco conhecida, o…

This paper presents a group of elements to improve the teaching and learning in technological education, applied to Information and Communication Technologies (ICT). These elements are based on some contributions issued from contemporary education models, namely, the thematic approach, meaningful…

, Presentación., Presentation., Aranguren R., Carmen, Cartografía de las representaciones de la globalización en textos de geografía de enseñanza media., Cartography of representation of globalization in geography texts in teaching middle school., Hollman, Verónica, Proyecto socioeducativo de ciudad: un escenario…

This study explored the relationship between vocabulary size (i.e., breadth of knowledge), depth of vocabulary knowledge, and reading comprehension of Chinese-speaking ESL (English as a second language) university students in Canada. Both aspects of vocabulary knowledge, breadth and depth, continue…

Patología placentaria en malaria.
Aspectos clínico-patológicos y nuevas teorías sobre su patogénesis.

(Barbella Aponte, Rosa A. y Rodríguez Morales, Alfonso J.)


Resumen


A pesar de existir un considerable cúmulo de conocimientos en torno…

The purpose of this study was to identify how coaches who have surpassed their athletic achievements acquired their coaching knowledge. Six University coaches from basketball, volleyball, and hockey, with a combined total of fourteen coach of the year awards were…