Results 61 to 70 of about 9,039,686 (137)

Automorphism Groups of Circulant Digraphs With Applications to Semigroup Theory [PDF]

open access: yesCombinatorica, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
João Araújo 0002   +4 more
openaire   +5 more sources

Context‐free graphs and their transition groups

open access: yesTransactions of the London Mathematical Society, Volume 13, Issue 1, December 2026.
Abstract Starting from context‐free inverse graphs, we introduce a new class of groups and study their structural properties. We establish closure properties, show that their coword problems are context‐free, analyze torsion elements, and realize them as subgroups of the asynchronous rational group.
Daniele D'Angeli   +3 more
wiley   +1 more source

ISOMORFISMA DIGRAPH EKSENTRIS DENGAN DIGRAPH ASALNYA [PDF]

open access: yes, 2005
Digraph sikel Cn adalah digraph yang paling sederhana yang digraph eksentrisnya isomorfis dengan digraph asalnya. Sedangkan digraph lengkap Kn adalah digraph komplit yang digraph eksentrisnya isomorfis bahkan sama dengan digraph asalnya, sehingga untuk ...
IDA RIYAWATI, 0800112306
core   +1 more source

Endo-circulant digraphs of degree two and Cayley digraphs on finite abelian groups

open access: yesDiscrete Mathematics, 2000
Let \(\Delta\) be a subset of a finite abelian group \(A\) (additively written). Furthermore, let \(\varphi\) be a nonzero endomorphism of \(A\). The endo-circulant digraph \(G_A(\varphi,\Delta)\) is defined with the vertex set consisting of the elements of \(A\) so that, from any \(x\in A\), edges lead to the elements \(\varphi(x)+ \alpha\), where ...
Josep M. Brunat, Montserrat Maureso
openaire   +2 more sources

Dispelling Myths and Misunderstandings About Defining and Remediating Dyslexia

open access: yesDyslexia, Volume 32, Issue 4, November 2026.
ABSTRACT Despite a strong base of scientifically supported research on dyslexia, pervasive misunderstandings continue, particularly in the United States, where state legislation, instructional practices and parent advocacy intersect in ways that influence how dyslexia is identified and treated.
Christy R. Austin   +4 more
wiley   +1 more source

The superposition method for the reconstruction of food webs

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 9, Page 2770-2782, September 2026.
Abstract Understanding trophic positions is essential for analysing complex food webs. While calculating these positions can be straightforward when feeding relationships and their proportions are known, determining diet coefficients traditionally requires substantial time and effort.
Ettore Barbieri, Naoto F. Ishikawa
wiley   +1 more source

Antea Group Archeologie 2019/200

open access: yes, 2020
In opdracht van J.A. Rodenburg B.V. heeft Antea Group in november 2019 een archeologisch booronderzoek uitgevoerd op een perceel nabij de Denariusstraat 19 te Oosterhout.
Koopmanschap, Dr. H.J.L.C. (Antea Group)   +3 more
core   +1 more source

On automorphisms of Cayley-digraphs of abelian groups

open access: yesDiscrete Mathematics, 2003
Suppose \(G\) is a finite additive abelian group, then fix some subset \(B\) of \(G\), such that for the identity element \(0\) of \(G\), \(0\not\in B\). The Cayley-digraph of \(G\) with respect to \(B\) is defined as the digraph \(\Gamma(G,B)\), which has vertex set \(G\) and for any pair of elements \(x,y\) of \(G\) there is an edge from \(x\) to \(y\
openaire   +3 more sources

Spanish‐Speaking Secondary Students Reading and Spelling in English as a Foreign Language

open access: yesEuropean Journal of Education, Volume 61, Issue 3, September 2026.
ABSTRACT Proficiency in English reading and spelling is essential, as many professional environments require both spoken and written skills. Literacy development in English as a foreign language poses challenges for learners whose first language is transparent, such as Spanish, due to the complexity and inconsistency of English orthography.
Paz Suárez‐Coalla   +3 more
wiley   +1 more source

On a Compromise Social Choice Correspondence [PDF]

open access: yes
This paper analyzes the compromise social choice correspondence derived from the F-value of digraph games.Among other things monotonicity of this correspondence is shownsocial choice;games;t ...
Borm, P.E.M.   +3 more
core  

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