Results 41 to 50 of about 313,722 (173)

Some identities for enumerators of circulant graphs

open access: yes, 2001
We establish analytically several new identities connecting enumerators of different types of circulant graphs of prime, twice prime and prime-squared orders.
Liskovets, Valery A.
core   +1 more source

Recognition of prime graphs from a prime subgraph

open access: yesDiscrete Mathematics, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pierre Ille, Roger Villemaire
openaire   +3 more sources

Pelabelan Prima pada Kelas Graf Hasil Operasi Perkalian Tensor

open access: yesJambura Journal of Mathematics
A graph  with a vertex set   is said to be a prime graph if there exists a bijective mapping , where  denotes the number of vertices in , such that for any two adjacent vertices  and  in  have . Tensor Product graph is a way to combine (compose)
Suci Triwahyuniti, Desi Rahmadani
doaj   +1 more source

Prime Labeling of H- Super Subdivision of Y-tree Related Graphs

open access: yesRatio Mathematica, 2023
A graph G with p points is called a prime labeling , if it possible to label the points x 2 V with distinct labels f(x) from f1;2; :::; pg in such a way that for each line e = uv gcd (f(u); f(v)) = 1 .
Meena S, Gajalakshmiy G
doaj   +1 more source

Prime Labelings of Snake Graphs

open access: yesThe PUMP Journal of Undergraduate Research, 2019
A prime labeling of a graph G with n vertices is a labeling of the vertices with distinct integers from the set {1, 2 ,..., n} such that the labels of any two adjacent vertices are relatively prime. In this paper, we introduce a snake graph, the fused union of identical cycles, and define a consecutive snake prime labeling for this new family of graphs.
Abigail Bigham   +4 more
openaire   +2 more sources

Prime vertex-minors of a prime graph

open access: yesEuropean Journal of Combinatorics
33 pages, 11 figures.
Donggyu Kim, Sang-il Oum
openaire   +2 more sources

Quasirecognition by prime graph of U_3(q) where 2 < q =p^{alpha} < 100 [PDF]

open access: yesInternational Journal of Group Theory, 2012
Let G be a finite group and let Gamma(G) be the prime graphof G. Assume 2 < q = p^{alpha} < 100 . We determine finite groupsG such that Gamma(G) = Gamma(U_3(q)) and prove that if q neq3, 5, 9, 17, then U_3(q) is quasirecognizable by prime graph,i.e., if ...
Ali Iranmanesh   +3 more
doaj  

Random Cyclic Triangle-Free Graphs of Prime Order

open access: yesJournal of Mathematics, 2021
Cyclic triangle-free process (CTFP) is the cyclic analog of the triangle-free process. It begins with an empty graph of order n and generates a cyclic graph of order n by iteratively adding parameters, chosen uniformly at random, subject to the ...
Yu Jiang   +3 more
doaj   +1 more source

Some Characteristics of the Prime Graph of Integer Modulo Groups

open access: yesInPrime, 2023
The notion of the prime graph of a ring R was first introduced by Bhavanari, Kuncham, and Dasari in 2010. The prime graph of a ring R, denoted by PG(R) is a graph whose vertices are all elements of the ring, where two distinct vertices x and y are ...
Muklas Maulana   +3 more
doaj   +1 more source

On nonsolvable groups whose prime degree graphs have four vertices and one triangle [PDF]

open access: yesInternational Journal of Group Theory, 2018
‎Let $G$ be a finite group‎. ‎The prime degree graph of $G$‎, ‎denoted‎ ‎by $Delta(G)$‎, ‎is an undirected graph whose vertex set is $rho(G)$ and there is an edge‎ ‎between two distinct primes $p$ and $q$ if and only if $pq$ divides some irreducible ...
Roghayeh Hafezieh
doaj   +1 more source

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