نتایج جستجو برای: edge transitive graph
تعداد نتایج: 297196 فیلتر نتایج به سال:
In this paper, we obtain some upper and lower bounds for the general extended energy of a graph. As an application, we obtain few bounds for the (edge) Zagreb energy of a graph. Also, we deduce a relation between Zagreb energy and edge-Zagreb energy of a graph $G$ with minimum degree $delta ge2$. A lower and upper bound for the spectral radius of the edge-Zagreb matrix is obtained. Finally, we ...
This paper explores how to reason locally about global properties of graph transformations, in particular properties involving transitive closure of the edge relations of the graph. We show under which conditions we can soundly reduce reasoning about all nodes in the graph to reasoning about a finite set of nodes. We then give an effective procedure to turn this reduced problem into a Boolean s...
This paper presents a phenomenon which sometimes occurs in tetravalent bipartite locally dart-transitive graphs, called Base Graph–Connection Graph dissection. In this dissection, each white vertex is split into two vertices of valence 2 so that the connected components result are isomorphic. Given whose subdivision isomorphic to component, and Connection Graph, describes how overlap, we can, s...
MOTIVATION Molecular diagnostics aims at classifying diseases into clinically relevant sub-entities based on molecular characteristics. Typically, the entities are split into subgroups, which might contain several variants yielding a hierarchical model of the disease. Recent years have introduced a plethora of new molecular screening technologies to molecular diagnostics. As a result molecular ...
We describe a new distance-regular, but not distance-transitive, graph. This graph has intersection array {110, 81, 12; 1, 18, 90}, and automorphism group M22: 2. In [1], Brouwer, Cohen and Neumaier discuss many distance-regular graphs related to the famous Golay codes. In this note, we describe yet another such graph. Ivanov, Linton, Lux, Saxl and the author [4] have classified all primitive d...
recently, hua et al. defined a new topological index based on degrees and inverse ofdistances between all pairs of vertices. they named this new graph invariant as reciprocaldegree distance as 1{ , } ( ) ( ( ) ( ))[ ( , )]rdd(g) = u v v g d u d v d u v , where the d(u,v) denotesthe distance between vertices u and v. in this paper, we compute this topological index forgrassmann graphs.
A regular edge but not vertex transitive graph is said to be semisym metric The study of semisymmetric graphs was initiated by Folkman who among others gave constructions of several in nite families such graphs In this paper a generalization of his construction for or ders a multiple of is proposed giving rise to some new families of semisymmetric graphs In particular one associated with the cy...
A transitive signature scheme allows a signer to publish a graph in an authenticated and cost-saving manner. The resulting authenticated graph is indeed the transitive closure of the graph constructed by edges which are explicitly signed by the signer. A property of the transitive signature scheme enables such scenario is called composability which means that by knowing signatures on two edges ...
In this paper, we propose a new type of digital signatures which is specifically designed for graph-based big data system. The properties of the proposed signatures are twofold. On one side it possesses the features of transitive signatures: One can sign a graph in such a way that, given two signatures on adjacent edges ði; jÞ and ðj; kÞ, anyone with public information can compute a signature o...
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