Results 21 to 30 of about 609,734 (299)

The Fate of the Landau Levels under Perturbations of Constant Sign

open access: yes, 2009
We show that the Landau levels cease to be eigenvalues if we perturb the 2D Schr\"odinger operator with constant magnetic field, by bounded electric potentials of fixed sign.
Klopp, Frédéric, Raikov, Georgi
core   +3 more sources

Experiences of Teaching Mathematics to Grade 10 Learners with Hearing-Impairment at an Inclusive Secondary School in Lesotho

open access: yesUniversal Journal of Educational Research
This paper explores the experiences of a mathematics teacher teaching hearing impaired learners in an inclusive secondary school in Lesotho. It followed a qualitative approach and was exploratory in nature.
‘Mamotlotlisi Maroba   +1 more
doaj   +1 more source

Improving the Ability to Solve Mathematical Problems based on Higher Order Thinking Skills (HOTS) through Team Assisted Individualization (TAI)

open access: yesHipotenusa, 2020
The research aims to improve the ability of students insolving problems based on Higher Order Thinking Skills (HOTS) subjects Mathematics material bangun ruang sisi datar with the use of learning models Team Assisted Individualization (TAI).
Lintang Permatasari
doaj   +1 more source

Procedural embodiment and magic in linear equations [PDF]

open access: yes, 2008
How do students think about algebra? Here we consider a theoretical framework which builds from natural human functioning in terms of embodiment – perceiving the world, acting on it and reflecting on the effect of the actions – to shift to the use of ...
Nogueira de Lima , Rosana, Tall, David
core   +1 more source

MatLibras: um jogo para crianças surdas exercitarem as quatro operações básicas da matemática

open access: yesEaD & Tecnologias Digitais na Educação, 2017
Realizing that most deaf children are not in regular schools, there must be a responsibility to include them in the social environment and, consequently, educational.
Wesley Kelvyn Francisco   +3 more
doaj   +1 more source

Pengaruh Kecemasan Matematika Siswa Kelas VII Terhadap Hasil Belajar Di SMP Negeri 3 Kota Bengkulu

open access: yesJurnal Derivat, 2020
This research is a study that discusses the influence of mathematics on grade VII students—learning outcomes at SMP NEGERI 3 Kota Bengkulu. This study's population was all students of class VII SMP NEGERI 3 Bengkulu City, which consisted of 130 famous ...
Lola Anggun Nopela   +3 more
doaj   +1 more source

A multi-modal study into students’ timing and learning regulation: time is ticking [PDF]

open access: yes, 2018
Purpose This empirical study aims to demonstrate how the combination of trace data derived from technology-enhanced learning environments and self-response survey data can contribute to the investigation of self-regulated learning processes. Design/
Nguyen, Quan   +2 more
core   +2 more sources

Triangle or tripod? Neither: A diagrammatic investigation into a sign’s visual representation

open access: yesSign Systems Studies
This paper takes a look at the morphological structure of the two dominant diagrams (the triangle and the tripod) used in semiotic literature to represent the irreducible triadic sign of C. S. Peirce in order to evaluate their diagrammatic aptitude, i.e.
Thierry Mortier
doaj   +1 more source

The languages of artificial intelligence, the languages of metaphysics, and the languages of faith

open access: yesScientia et Fides, 2014
The formalization of the languages of mathematics has led to the formal languages of computer science and artificial intelligence. This article studies a few semantic properties of the formal languages of artificial intelligence, which I call languages ...
Javier Leach
doaj   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

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