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Published in 2017 at "Semigroup Forum"
DOI: 10.1007/s00233-017-9875-4
Abstract: In this note, we introduce the notions of color-permutable automorphisms and color-permutable vertex-transitive Cayley graphs of semigroups. As a main result, for a finite monoid S and a generating set C of S, we explicitly…
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Keywords:
graphs semigroups;
color;
endomorphism;
automorphism ... See more keywords
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Published in 2018 at "Journal of Algebraic Combinatorics"
DOI: 10.1007/s10801-018-0843-1
Abstract: Let $$A_n$$An denote the alternating group of degree n with $$n\ge 3$$n≥3. The alternating group graph $$AG_n$$AGn, extended alternating group graph $$EAG_n$$EAGn and complete alternating group graph $$CAG_n$$CAGn are the Cayley graphs $$\mathrm {Cay}(A_n,T_1)$$Cay(An,T1), $$\mathrm…
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Keywords:
second largest;
alternating group;
cayley graphs;
largest eigenvalues ... See more keywords
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Published in 2017 at "Journal of Mathematical Sciences"
DOI: 10.1007/s10958-018-3998-3
Abstract: A Cayley graph over a group G is said to be central if its connection set is a normal subset of G. It is proved that for any two central Cayley graphs over explicitly given…
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Keywords:
simple groups;
almost simple;
time;
cayley graphs ... See more keywords
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Published in 2021 at "Heliyon"
DOI: 10.1016/j.heliyon.2021.e07049
Abstract: In this work, we explore edge direction, transitivity, and connectedness of Cayley graphs of gyrogroups. More specifically, we find conditions for a Cayley graph of a gyrogroup to be undirected, transitive, and connected. We also…
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Keywords:
transitivity connectedness;
graphs gyrogroups;
cayley graphs;
connectedness cayley ... See more keywords
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Published in 2019 at "Communications in Algebra"
DOI: 10.1080/00927872.2020.1722830
Abstract: Abstract A signed dominating function of graph Γ is a function such that for each The signed domination number is the minimum weight of a signed dominating function on Γ. Let be a finite group…
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Keywords:
number cayley;
domination number;
signed domination;
cayley graphs ... See more keywords
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Published in 2019 at "IEEE/ACM Transactions on Networking"
DOI: 10.1109/tnet.2019.2910019
Abstract: A set of $k~(\geqslant 2)$ spanning trees in the underlying graph of a network topology is called completely independent spanning trees, (CISTs for short), if they are pairwise edge-disjoint and inner-node-disjoint. Particularly, if $k=2$ ,…
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Keywords:
protection;
dual cists;
cayley graphs;
dual cist ... See more keywords
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Published in 2019 at "Mathematika"
DOI: 10.11113/matematika.v35.n3.1115
Abstract: Let G be a finite group and S be a subset of G where S does not include the identity of G and is inverse closed. A Cayley graph of a group G with respect…
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Keywords:
energy cayley;
energy;
cayley;
cayley graphs ... See more keywords
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Published in 2017 at "Journal of Algebra and Its Applications"
DOI: 10.1142/s021949881750195x
Abstract: A Cayley graph Γ = Cay(G,S) is said to be core-free if G is core-free in some X for G ≤ X ≤AutΓ. A graph Γ is called s-regular if AutΓ acts regularly on its…
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Keywords:
cayley;
tetravalent regular;
cayley graphs;
regular cayley ... See more keywords
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Published in 2021 at "Mathematical Problems in Engineering"
DOI: 10.1155/2021/4226232
Abstract: The purpose of this paper is the study of simple graphs that are generalized Cayley graphs over LA-polygroups . In this regard, we construct two new extensions for building LA-polygroups. Then, we define Cayley graph…
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Keywords:
gclap graph;
graphs groups;
groups polygroups;
graph ... See more keywords
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Published in 2022 at "Journal of Mathematics"
DOI: 10.1155/2022/9444579
Abstract: Resolving parameters are a fundamental area of combinatorics with applications not only to many branches of combinatorics but also to other sciences. In this study, we construct a class of Toeplitz graphs and will be…
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Keywords:
cayley graphs;
class;
class graphs;
resolving parameters ... See more keywords
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Published in 2019 at "Mathematics"
DOI: 10.3390/math7111011
Abstract: We construct several new families of directed strongly regular Cayley graphs (DSRCGs) over the metacyclic group M 4 n = ⟨ a , b | a n = b 4 = 1 , b −…
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Keywords:
directed strongly;
strongly regular;
regular cayley;
cayley graphs ... See more keywords