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Complete spacelike hypersurfaces on symmetric spacetimes
(IOP Publishing, 2020)
A Lorentz manifold (M, g) is said to be a conformally stationary spacetime if it is endowed with a globally defined conformal timelike vector field K, whereas it is a pp-wave when there is a globally defined parallel ...
The Possibilities of Gamifying the Mathematical Curriculum in the Early Childhood Education Stage
(MDPI, 2020)
The addition of gamification to the classroom as a methodological tool means that the teacher’s opinion about this has become an inflection point that can affect its use or not in the classroom. In this sense, the main ...
Comparison between a Modern-Day Multiplication Method and Two Historical Ones by Trainee Teachers
(MDPI, 2021)
Different studies consider the possibility of including history of mathematics in the classroom. However, its inclusion in the teaching and learning of mathematics depends on the conceptions of it that teachers have, among ...
Developing Number Sense: An Approach to Initiate Algebraic Thinking in Primary Education
(MDPI, 2021)
Traditionally, the teaching and learning of algebra has been addressed at the beginning of secondary education with a methodological approach that broke traumatically into a mathematical universe until now represented by ...
Effective Teacher Professional Development Programs. A Case Study Focusing on the Development of Mathematical Modeling Skills
(MDPI, 2021)
A concern in Mathematics Education is the professional development of the teacher and to promote effective training programs. The literature provides principles guiding the design of such programs, which were considered ...
A Tool for the Analysis and Characterization of School Mathematical Models
(MDPI, 2021)
This paper shows a tool for the analysis of written productions that allows for the characterization of the mathematical models that students develop when solving modeling tasks. For this purpose, different conceptualizations ...
Development of Calibration Models to Predict Mean Fibre Diameter in Llama (Lama glama) Fleeces with Near Infrared Spectroscopy
(MDPI, 2021)
Llama fibre has the potential to become the most valuable textile resource in the Puna region of Argentina. In this study near infrared reflectance spectroscopy was evaluated to predict the mean fibre diameter in llama ...
Relativistic particles with torsion in three-dimensional non-vacuum spacetimes
(American Institute of Physics, 2021)
In this paper, we analyze trajectories of spacelike curves that are critical points of a Lagrangian depending on its total torsion. We focus on two important families of spacetimes, generalized Robertson–Walker and standard ...
A Moser–Bernstein problem for Riemannian warped products
(Springer, 2020)
In this work we deal with an elliptic non-linear problem, which arises naturally from Riemannian geometry. This problem has classically been studied in the the Euclidean n-dimensional space and it is known as the Moser–Bernstein ...
Educational Intervention through a Board Game for the Teaching of Mathematics to Dyslexic Greek Students
(MDPI, 2021)
The main purpose of this study was to investigate the effectiveness of an intervention strategy in teaching mathematics based on a board game, using the curriculum of mathematics in Greece, called Adapted Analytical Programs ...