Results 1 to 10 of about 2,304,071 (294)

Minkowski tensors of anisotropic spatial structure [PDF]

open access: yesNew Journal of Physics, 2013
This paper describes the theoretical foundation of and explicit algorithms for a novel approach to morphology and anisotropy analysis of complex spatial structure using tensor-valued Minkowski functionals, the so-called Minkowski tensors .
G E Schröder-Turk   +6 more
doaj   +6 more sources

Simita Universe Model – Mathematical Foundation (Level A): A Unified Scalar-Field and Multilayer Time Framework

open access: green
This document presents the Level A mathematical foundation of the Simita Universe Model, a unified theoretical framework that connects multilayer time structure, dual scalar-field dynamics, and the Planck membrane formalism into a coherent representation of matter and spacetime.
Simita Roland
  +5 more sources

Hybrid optimization technique for matrix chain multiplication using Strassen’s algorithm [version 2; peer review: 3 approved, 1 approved with reservations] [PDF]

open access: yesF1000Research
Background Matrix Chain Multiplication (MCM) is a fundamental problem in computational mathematics and computer science, often encountered in scientific computing, graphics, and machine learning.
Srinivasarao Thota   +2 more
doaj   +2 more sources

TCC–EFT Mathematical Note (2025): Scalar–Tensor Background Derivation

open access: green
This technical note provides the full mathematical derivation of the scalar–tensor background used in the TCC–EFT Overview (v1.2).The document includes the metric variation, scalar-field variation, homogeneous FLRW reduction, and the resulting background equations.All derivations are presented independently, without physical interpretation,
JN, Claude
  +5 more sources

Validation of the Arabic Version of the Fibromyalgia Survey Questionnaire [PDF]

open access: yesJournal of Pain Research
Abdallah Chahine,1 Christian-Joseph El Zouki,2 Kamel Jebreen,3– 5 Iyad Ali,6 Sahar Obeid,7 Boutros Joseph El Tannoury,1 Rami Haroun,1 Jean-Claude Lahoud,1,8 Feten Fekih-Romdhane,9,10 Souheil Hallit1,11,12 1School of Medicine and Medical Sciences, Holy ...
Chahine A   +9 more
doaj   +2 more sources

Validation of scales for measuring factors of teaching quality from the dynamic model of educational effectiveness [PDF]

open access: yesPsihologija, 2022
Large-scale educational effectiveness research requires valid student questionnaires to assess teaching practices. This research validated eight scales for measuring teaching factors from the Dynamic Model of Educational Effectiveness (DMEE).
Bodroža Bojana   +2 more
doaj   +1 more source

Pre-service mathematics teachers’ understanding of vector

open access: yesJurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, 2023
Vector is an important concept in mathematics. Pre-service mathematics teachers explore vector concepts in several courses. This concept is also related to various concepts in mathematics.
Kimura Patar Tamba
doaj   +1 more source

Factor structure and measurement invariance of the TIMSS 2015 mathematics attitude questionnaire: Exploratory structural equation modelling approach

open access: yesInternational Journal of Assessment Tools in Education, 2021
In the current study, the appropriateness of the Mathematics Attitude Questionnaire administered to middle school 8th grade students in the TIMSS 2015 application to the exploratory structural equation and confirmatory factor analysis models was examined.
Şeyma Uyar
doaj   +1 more source

Local Mathematics and No Information at a Distance; Some Effects on Physics and Geometry

open access: yesProceedings, 2020
Local mathematics consists of a collection of mathematical systems located at each space and time point. The collection is limited to the systems that include numbers in their axiomatic description.
Paul Benioff
doaj   +1 more source

Control strategy design of 100 W fast response half bridge LLC resonant converter

open access: yesDianzi Jishu Yingyong, 2022
For the dynamic characteristics of communication power supply when there is an inflow of big data traffic, a design of half-bridge LLC resonant converter based on variable universe fuzzy-PID control is proposed, which can realize the fast response ...
Rao Gang   +3 more
doaj   +1 more source

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