نتایج جستجو برای: multipartite graph
تعداد نتایج: 200044 فیلتر نتایج به سال:
in this paper we construct antimagic labelings of the regular complete multipartite graphs and we also extend the construction to some families of regular graphs.
in this paper we introduce the concept of order difference interval graph $gamma_{odi}(g)$ of a group $g$. it is a graph $gamma_{odi}(g)$ with $v(gamma_{odi}(g)) = g$ and two vertices $a$ and $b$ are adjacent in $gamma_{odi}(g)$ if and only if $o(b)-o(a) in [o(a), o(b)]$. without loss of generality, we assume that $o(a) leq o(b)$. in this paper we obtain several properties of $gamma_...
A graph is a multiclique if its connected components are cliques. A graph is a complete multipartite graph if its vertex set has a partition into independent sets such that every two vertices in different independent sets are adjacent. The complement of a graph G is denoted coG. A graph is a multiclique-multipartite graph if its vertex set has a partition U, W such that G(U) is complete multipa...
The notion of a graph theoretic Ramsey number is generalised by assuming that both the original graph whose edges are arbitrarily bi–coloured and the sought after monochromatic subgraphs are complete, balanced, multipartite graphs, instead of complete graphs as in the classical definition. We previously confined our attention to diagonal multipartite Ramsey numbers. In this paper the definition...
We determine the exact treewidth of the line graph of the complete graph. More generally, we determine the exact treewidth of the line graph of a regular complete multipartite graph. For an arbitrary complete multipartite graph, we determine the treewidth of the line graph up to a lower order term.
The notion of a graph theoretic Ramsey number is generalised by assuming that both the original graph whose edges are arbitrarily bi–coloured and the sought after monochromatic subgraphs are complete, balanced, multipartite graphs, instead of complete graphs as in the classical definition. We previously confined our attention to diagonal multipartite Ramsey numbers. In this paper the definition...
In this paper, the exact formulae for the generalized degree distance, degree distance and reciprocal degree distance of strong product of a connected and the complete multipartite graph with partite sets of sizes m0, m1, . . . , mr&minus1 are obtained. Using the results obtained here, the formulae for the degree distance and reciprocal degree distance of the closed and open fence graphs are co...
In this paper we prove an asymptotic multipartite version of a well-known theorem of Kühn and Osthus by establishing, for any graph H with chromatic number r, the asymptotic multipartite minimum degree threshold which ensures that a large r-partite graph G admits a perfect H-tiling. We also give the threshold for an H-tiling covering all but a linear number of vertices of G, in a multipartite a...
We give a classification of all the countable homogeneous multipartite graphs. This generalizes the similar result for bipartite graphs given in [5]. 2010 Mathematics Subject Classification 05C99 keywords: multipartite graph, homogeneous, classification
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