Results 101 to 110 of about 509,045 (187)
JSES Reviews, Reports, and Techniques, 2023 Background: To optimize patients' functional external rotation outcomes, reverse total shoulder arthroplasties (rTSAs) including a latissimus dorsi tendon transfer were undertaken with promising early results and no significant increase in complications ...
Jake X. Checketts, DO +8 more
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Generalizing the MOND description of rotation curves [PDF]
arXiv, 2001 We present new mathematical alternatives for explaining rotation curves of spiral galaxies in the MOND context. For given total masses, it is shown that various mathematical alternatives to MOND, while predicting flat rotation curves for large galactic radii, predict curves with different peculiar features for smaller radii.
arxiv
Optical Activities as Computing Resources for Space-time Symmetries
, 2009 It is known that optical activities can perform rotations. It is shown that the rotation, if modulated by attenuations, can perform symmetry operations of Wigner's little group which dictates the internal space-time symmetries of elementary particles ...
Azzam RMA +5 more
core +1 more source
A mathematical approach to Wick rotations
, 2020 In this thesis we define Wick-rotations mathematically using pseudo-Riemannian geometry, and relate Wick-rotations to real geometric invariant theory (GIT). We discover some new results concerning the existence of Wick rotations (of various signatures).
openaire +1 more source
Mathematization of rotation as a didactic task [PDF]
, 2015 The inspiration for observation was an idea of getting movement to a static school geometry. In the school curriculum, the only area where you can consciously refer to the movement are questions related to isometrics. I took the premise that the mathematization of movement should be based on student perceptions related to the physical movement of ...
openaire +2 more sources
Satisfiability Parsimoniously Reduces to the Tantrix(TM) Rotation Puzzle Problem
, 2008 Holzer and Holzer (Discrete Applied Mathematics 144(3):345--358, 2004) proved that the Tantrix(TM) rotation puzzle problem is NP-complete. They also showed that for infinite rotation puzzles, this problem becomes undecidable.
Baumeister, Dorothea, Rothe, Joerg
core +1 more source
MATHEMATICAL MODELLING OF AN ELONGATED MAGNETIC DROPLET IN A ROTATING MAGNETIC FIELD
Mathematical Modelling and Analysis, 2012 Dynamics of an elongated droplet under the action of a rotating magnetic field is considered by mathematical modelling. The actual shape of a droplet is obtained by solving the initial-boundary value problem of a nonlinear singularly perturbed partial differential equation (PDE).
Cebers, Andrejs, Kalis, Harijs
openaire +5 more sources
Mastering fractions and innovating with the station rotation model in blended learning
InfinityThis study explores the effectiveness of the Station Rotation Model (SRM) in adding and subtracting fractions. A mixed-method design was conducted through convenience sampling of 31 students from Year 9.
Nurul Harizah Abdul Latif +2 more
doaj +1 more source
A Wick-rotatable metric is purely electric [PDF]
arXiv, 2015 We show that a metric of arbitrary dimension and signature which allows for a standard Wick-rotation to a Riemannian metric necessarily has a purely electric Riemann and Weyl tensor.
arxiv
Intelligent Virtual Reality and its Impact on Spatial Skills and Academic Achievements [PDF]
Journal of Systemics, Cybernetics and Informatics, 2005 It is known that the training of intelligent virtual reality, through the use of computer games, can improve spatial skills especially visualization and enhances academic achievements.
Esther Zaretsky, Varda Bar
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