نتایج جستجو برای: singed graph
تعداد نتایج: 198062 فیلتر نتایج به سال:
Facial burns are generally considered severe. This is due to the possibility of respiratory complications. First responders check the nostrils for singed hairs. In severe cases there may be soot around the nose and mouth and coughing may produce phlegm that includes ash. Facial and inhalational burns compromise airways. They pose difficulties in pre-hospital resuscitation and are challenge to c...
Let G(V;E) be a graph. The common neighborhood graph (congraph) of G is a graph with vertex set V , in which two vertices are adjacent if and only if they have a common neighbor in G. In this paper, we obtain characteristics of congraphs under graph operations; Graph :::::union:::::, Graph cartesian product, Graph tensor product, and Graph join, and relations between Cayley graphs and its c...
The Merrifield-Simmons index of a graph is defined as the total number of the independent sets of the graph and the Hosoya index of a graph is defined as the total number of the matchings of the graph. In this paper, we give formula for Merrifield-Simmons and Hosoya indices of some classes of cartesian product of two graphs K{_2}×H, where H is a path graph P{_n}, cyclic graph C{_n}, or star gra...
in this paper we give a characterization for all commutative rings with $1$ whose zero-divisor graphs are $c_4$-free.
A series of eleven independent mutants at the X chromosome singed bristle (sn) locus of Drosophila melanogaster is described. All mutants descend from flies caught in the wild and bred in the laboratory. On the basis of their inordinately high spontaneous mutation frequency, ten of the mutants are classified as putative insertion mutants. Reversions to wild type occur at frequencies of 10(-4)-1...
Development of the homoeotic mutation, aristapedia (ss(a)), was investigated by means of genetic mosaics. The wild-type alleles of aristapedia and the bristle markers yellow, singed, and forked were removed from cells at different times in development by X-ray induced somatic crossing-over. The phenotype of the resulting clones was examined in order to ascertain whether it was leg or antenna. T...
a graph is called textit{circulant} if it is a cayley graph on a cyclic group, i.e. its adjacency matrix is circulant. let $d$ be a set of positive, proper divisors of the integer $n>1$. the integral circulant graph $icg_{n}(d)$ has the vertex set $mathbb{z}_{n}$ and the edge set e$(icg_{n}(d))= {{a,b}; gcd(a-b,n)in d }$. let $n=p_{1}p_{2}cdots p_{k}m$, where $p_{1},p_{2},cdots,p_{k}$ are disti...
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