Results 21 to 30 of about 737 (201)

On Distance in Some Finite Planes and Graphs Arising from Those Planes

open access: yesJournal of Mathematics, Volume 2021, Issue 1, 2021., 2021
In this paper, affine and projective graphs are obtained from affine and projective planes of order pr by accepting a line as a path. Some properties of these affine and projective graphs are investigated. Moreover, a definition of distance is given in the affine and projective planes of order pr and, with the help of this distance definition, the ...
I. Dogan, A. Akpinar, Ahmet Sinan Cevik
wiley   +1 more source

Certain Class of Almost α‐Cosymplectic Manifolds

open access: yesJournal of Mathematics, Volume 2021, Issue 1, 2021., 2021
This paper concerned with almost α‐cosymplectic manifolds satisfying conformally flat condition. Firstly, we investigate Kaehler integral submanifolds of almost α‐cosymplectic manifolds. Next, we study conformally flat almost α‐cosymplectic manifolds of dim ≥ 5 whose integral submanifolds are Kaehler.
Sermin Öztürk   +2 more
wiley   +1 more source

Collineation varieties of tensors [PDF]

open access: yes, 2023
In this article, we introduce the $k$-th collineation variety of a third order tensor. This is the closure of the image of the rational map of size $k$ minors of a matrix of linear forms associated to the tensor. We classify such varieties in the case of
Gesmundo, Fulvio, Keneshlou, Hanieh
core  

Blocking sets with flag transitive collineation groups [PDF]

open access: yes, 2023
Blocking sets with flag transitive collineation ...
Lynn Batten (13081779)
core  

On collineation groups of symmetric block designs [PDF]

open access: yes, 1971
The question of possible collineation groups for a symmetric design with given parameters (v, k, λ) is considered.
Aschbacher, Michael
core   +1 more source

Collineation groups strongly irreducible on an oval in a projective plane of odd order [PDF]

open access: yes, 2015
Strongly irreducibile collineation groups have played an important role in the study of collineation groups of a finite projective plane. The theory of strongly irreducible collineation groups containing perspectivities is well developed, but not many ...
G. Korchmáros   +3 more
core   +1 more source

16-dimensional smooth projective planes with large collineation groups [PDF]

open access: yes, 1998
Erworben im Rahmen der Schweizer Nationallizenzen (http://www.nationallizenzen.ch)Smooth projective planes are projective planes defined on smooth manifolds (i.e.
Bödi, Richard
core   +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

Approximate Lie Symmetry Conditions of Autoparallels and Geodesics

open access: yesAbstract and Applied Analysis, Volume 2020, Issue 1, 2020., 2020
This paper is devoted to the study of approximate Lie point symmetries of general autoparallel systems. The significance of such systems is that they characterize the equations of motion of a Riemannian space under an affine parametrization. In particular, we formulate the first‐order symmetry determining equations based on geometric requirements and ...
Sameerah Jamal, Shi Liang Wu
wiley   +1 more source

Collineation Groups of Generalized André Planes [PDF]

open access: yes, 1969
In a previous paper (5), I constructed a class of translation planes, called generalized André planes or λ-planes, and discussed the associated autotopism collineation groups.
David A. Foulser
core   +1 more source

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