Results 21 to 30 of about 1,183,588 (257)

MTC: Visualization method of assessing physical movements with dribbling performance of basketball based in 3D Space [PDF]

open access: yesJournal of Graphic Engineering and Design, 2023
We present a basketball training visualization method – Motion Time Cylinder (MTC) designed to help novice players learn basketball techniques more easily.
Mengru Liu, Newman Lau, Kelly Tang
doaj   +1 more source

Translation planes of order 23^2 [PDF]

open access: yes, 2013
We give a complete classication of translation planes of order 23^2 whose translation complement contains a subgroup G such that the quotient group G modulo scalars is isomorphic to A_6.
Abatangelo, Vito   +2 more
core   +1 more source

The nuclei and other properties of p-primitive semifield planes

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1992
In this article the nuclei of p-primitive semifield planes are studied. The behavior of this class of planes under the operations of derivation, transposition and dualization is also analyzed.
M. Cordero
doaj   +1 more source

A characterization of the desarguesian planes of order q2 by SL(2,q)

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1983
The main result is that if the translation complement of a translation plane of order q2 contains a group isomorphic to SL(2,q) and if the subgroups of order q are elations (shears), then the plane is Desarguesian. This generalizes earlier work of Walker,
D. A. Foulser   +2 more
doaj   +1 more source

Effects of motion paradigm on human perception of tilt and translation

open access: yesScientific Reports, 2022
The effect of varying sinusoidal linear acceleration on perception of human motion was examined using 4 motion paradigms: off-vertical axis rotation, variable radius centrifugation, linear lateral translation, and rotation about an earth-horizontal axis.
Gilles Clément   +3 more
doaj   +1 more source

Translation planes of even order in which the dimension has only one odd factor

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1980
Let G be an irreducible subgroup of the linear translation complement of a finite translation plane of order qd where q is a power of 2. GF(q) is in the kernel and d=2sr where r is an odd prime. A prime factor of |G| must divide (qd+1)∏i=1d(qi−1).
T. G. Ostrom
doaj   +1 more source

The geometry of GL(2,q) in translation planes of even order q2

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1978
In this article we show the following: Let π be a translation plane of even order q2 that admits GL(2,q) as a collineation group. Then π is either Desarguesian, Hall or Ott-Schaeffer.
N. L. Johnson
doaj   +1 more source

Collineation groups of translation planes of small dimension

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1981
A subgroup of the linear translation complement of a translation plane is geometrically irreducible if it has no invariant lines or subplanes. A similar definition can be given for “geometrically primitive”.
T. G. Ostrom
doaj   +1 more source

On collineation groups of translation planes of order q4

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1986
Let P be an affine translation plane of order q4 admitting a nonsolvable group G in its translation complement. If G fixes more than q+1 slopes, the structure of G is determined.
V. Jha, N. L. Johnson
doaj   +1 more source

A class of two-dimensional translation planes admitting SL(2,5) [PDF]

open access: yes, 2009
A class of translation planes of order $q^2$ admitting SL(2,5) is described, constructed from replaceable $A_5$-invariant nests of reguli in a regular spread of PG(3,$q$), where $q$ is odd and $q+1\equiv0$ (mod 5).
Prince, Alan Ronald, Prince, Alan R.
core   +1 more source

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