Results 31 to 40 of about 5,088,496 (354)

Complete Caps in Affine Geometry AG(n, 3)

open access: yesMathematical Problems of Computer Science, 2022
We consider the problem of constructing complete caps in affine geometry AG(n, 3) of dimension n over the field F3 of order three. We will take the elements of F3 to be 0, 1 and 2. A cap is a set of points, no three of which are collinear.
Karen I. Karapetyan
doaj   +1 more source

Projective geometry in characteristic one and the epicyclic category [PDF]

open access: yesNagoya mathematical journal, 2013
We show that the cyclic and epicyclic categories which play a key role in the encoding of cyclic homology and the lambda operations, are obtained from projective geometry in characteristic one over the infinite semifield of max-plus integers ℤmax. Finite-
A. Connes, C. Consani
semanticscholar   +1 more source

EPIPOLAR GEOMETRY BETWEEN PHOTOGRAMMETRY AND COMPUTER VISION – A COMPUTATIONAL GUIDE [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Stereo image orientation is one of the major topics in computer vision, photogrammetry, and robotics. The stereo vision problem solution represents the basic element of the multi-view Structure from Motion SfM in computer vision and photogrammetry.A ...
B. Alsadik, N. A. Abdulateef
doaj   +1 more source

Applications of a Particular Four-Dimensional Projective Geometry to Galactic Dynamics

open access: yesGalaxies, 2018
Relativistic location systems that extend relativistic positioning systems show that pseudo-Riemannian space-time geometry is somehow encompassed in a particular four-dimensional projective geometry.
Jacques L. Rubin
doaj   +1 more source

Smooth projective horospherical varieties of Picard group $\mathbb{Z}^2$ [PDF]

open access: yesÉpijournal de Géométrie Algébrique, 2020
We classify all smooth projective horospherical varieties of Picard group $\mathbb{Z}^2$ and we give a first description of their geometry via the Log Minimal Model Program.
Boris Pasquier
doaj   +1 more source

Doing Euclidean Plane Geometry Using Projective Geometric Algebra [PDF]

open access: yes, 2015
The article presents a new approach to euclidean plane geometry based on projective geometric algebra (PGA). It is designed for anyone with an interest in plane geometry, or who wishes to familiarize themselves with PGA.
Charles G. Gunn
semanticscholar   +1 more source

Non-Euclidean Biosymmetries and Algebraic Harmony in Genomes of Higher and Lower Organisms [PDF]

open access: yesEPJ Web of Conferences, 2021
The article is devoted to the study of the relationship of non-Euclidean symmetries in inherited biostructures with algebraic features of information nucleotide sequences in DNA molecules in the genomes of eukaryotes and prokaryotes.
Petoukhov Sergey   +2 more
doaj   +1 more source

Differential Chow Form for Projective Differential Variety [PDF]

open access: yes, 2011
In this paper, a generic intersection theorem in projective differential algebraic geometry is presented. Precisely, the intersection of an irreducible projective differential variety of dimension d>0 and order h with a generic projective differential ...
Gao, Xiao-Shan, Li, Wei
core   +2 more sources

THE ROLE OF PROJECTIVE GEOMETRY IN TALIAN EDUCATION AND INSTITUTIONS AT THE END OF THE 19TH CENTURY

open access: yesRevista de História da Educação Matemática, 2023
At the end of the 19th century, projective geometry was at the basis of most geometric research in Italy, and of much other research work in Europe. Furthermore, through its close connection with descriptive geometry, it seemed particularly responsive to
Marta Menghini
doaj  

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