Results 21 to 30 of about 2,919,635 (295)

Finite torsors over strongly $F$-regular singularities [PDF]

open access: yesÉpijournal de Géométrie Algébrique, 2022
We investigate finite torsors over big opens of spectra of strongly $F$-regular germs that do not extend to torsors over the whole spectrum. Let $(R,\mathfrak{m},k)$ be a strongly $F$-regular $k$-germ where $k$ is an algebraically closed field of ...
Javier Carvajal-Rojas
doaj   +1 more source

Relational representations of algebraic lattices and their applications

open access: yesOpen Mathematics, 2022
In this paper, we define the concepts of strongly regular relation, finitely strongly regular relation, and generalized finitely strongly regular relation, and get the relational representations of strongly algebraic, hyperalgebraic, and quasi ...
Luo Shuzhen, Xu Xiaoquan
doaj   +1 more source

On Strongly  – Regular Rings [PDF]

open access: yesمجلة التربية والعلم, 2009
The main goal of the work is to study a strongly -regular rings, which was introduce by Mohammad A. J. and Salih. S. M. in (2006). That is, a ring R is said to be strongly -regular if for every a R there exists bR and a positive integer n≠1 such ...
Baida S. Abdullah
doaj   +1 more source

ON DISTANCE–REGULAR GRAPHS OF DIAMETER 3 WITH EIGENVALUE \(\theta=1\)

open access: yesUral Mathematical Journal, 2022
For a distance-regular graph \(\Gamma\) of diameter 3, the graph \(\Gamma_i\) can be strongly regular for \(i=2\) or 3. J.Kulen and co-authors found the parameters of a strongly regular graph \(\Gamma_2\) given the intersection array of the graph ...
Alexander A. Makhnev   +2 more
doaj   +1 more source

On П – Pure Ideals [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2014
As a generalization of right pure ideals, we introduce the notion of right П – pure ideals. A right ideal I of R is said to be П – pure, if for every a Î I there exists b Î I and a positive integer n such that an ≠ 0 and  an b = an.
Shaimaa Ahmad
doaj   +1 more source

Strongly Regular Graphs Having Strongly Regular Subconstituents

open access: yesJournal of Algebra, 1978
No abstract.
Cameron, P.J.   +2 more
openaire   +2 more sources

On Local Rings [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2014
A ring R is called local ring if it has exactly one maximal ideal. In this paper, we introduce some characterization and basic properties of this ring. Also, we studied the relation between local rings and Von Neumann regular rings and strongly regular ...
Zubayda Ibraheem, Anees Fthee
doaj   +1 more source

Extension of Strongly Regular Graphs [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2008
The Friendship Theorem states that if any two people in a party have exactly one common friend, then there exists a politician who is a friend of everybody. In this paper, we generalize the Friendship Theorem. Let $\lambda$ be any nonnegative integer and $\mu$ be any positive integer.
Gera, Ralucca, Shen, J.
openaire   +5 more sources

On strongly regular graphs with m2 = qm3 and m3 = qm2 for q = 7/2, 7/3, 7/4, 7/5, 7/6 [PDF]

open access: yesYugoslav Journal of Operations Research, 2021
We say that a regular graph G of order n and degree r ≥ 1 (which is not the complete graph) is strongly regular if there exist non-negative integers τ and θ such that |Si ∩ Sj| = τ for any two adjacent vertices i and j, and |Si ∩ Sj| = θ for any
Lepović Mirko
doaj   +1 more source

D-magic strongly regular graphs

open access: yesAKCE International Journal of Graphs and Combinatorics, 2020
For a set of distances D, a graph G on n vertices is said to be D-magic if there exists a bijection and a constant k such that for any vertex x, where is the D-neighbourhood set of x.
Rinovia Simanjuntak, Palton Anuwiksa
doaj   +1 more source

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