On the total domatic number of regular graphs
Webتعداد نشریات: 44: تعداد شمارهها: 1,460: تعداد مقالات: 11,915: تعداد مشاهده مقاله: 21,843,664: تعداد ... Web1 de jan. de 2024 · The fractional idiomatic and fractional total domatic numbers are defined analogously with all families \ (\mathcal {F}\) of independent dominating sets and …
On the total domatic number of regular graphs
Did you know?
WebWe show that the total domatic number of a random r-regular graph is almost surely at most r − 1, and that for 3-regular random graphs, the total domatic number is almost surely … WebCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The domatic number of a graph G is the maximum number of dominating sets into which the vertex set of G can be partitioned. We show that the domatic number of a random r-regular graph is almost surely at most r, and that for 3-regular random graphs, the …
WebIn this paper we shall study the domatic number, the total domatic number and the connected domatic number of cubic graphs, i. e. regular graphs of degree 3. We … http://www.math.clemson.edu/~calkin/Papers/calkin_dankelmann.pdf
WebThe fractional domatic number of a graph G is the maximum ratio F /m(F) over all families F of dominating sets of G, where m(F) denotes the maximum number of times an element appears in F . The fractional idiomatic and fractional total domatic numbers are defined analogously with F all families of independent dominating sets and total dominating sets … Webalmost surely at most r, and that for 3-regular random graphs, the domatic number is almost surely equal to 3. We also give a lower bound on the domatic number of a …
WebThe total domatic number of a graph is denoted by and is defined as , where and are the total dominating sets and are the maximum disjoint partition of the vertex set of the graph. ... “On the total domatic number of regular graphs,” Transactions on Combinatorics, vol. 1, no. 1, pp. 45–51, 2012. View at: Google Scholar.
WebIn this section we prove that for all cubic regular graphs, having no subgraph isomorphic to L (given in Figure 1), the total domatic number is at least two. Figure 1: The graph L Theorem 2. The vertex set of a cubic graph can be partitioned into two total dominating sets if it has no subgraph (not necessarily induced) isomorphic to the graph L. campgrounds near deerfield nhWeb开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 campgrounds near deposit nyWebThe concept of domatic number and total domatic number was introduced by Cockayne etal.,in[10]and[9]respectively,andinvestigatedfurtherin[1,2,5,8,12,18,24,26,32,33]. In [33], Zelinka have shown the existence of graphs with very large minimum degree have a total domatic number 1. Chen et al., [8] and Goddard and Henning [12] have studied campgrounds near dekalb illinoisWebThe total domatic number of a graph G is the maximum number of total dominating sets into which the vertex set of G can be partitioned. We show that the total domatic number of a random r-regular graph is almost surely at most r. Keywords. total dominating set campgrounds near deer park washingtonWebgraphs. Additionally, we establish similar results for total domatic partitions. Keywords: domatic partitions; graph algorithms; in nite regular graphs; com-putability theory 1 Introduction A set D of vertices in a graph G is called dominating if every vertex of G not in D is adjacent to a vertex in D. first train from lakesideWeb11 de jul. de 2024 · The total k-domatic partition problem is to partition the vertices of a graph into k pairwise disjoint total dominating sets. In this paper, we prove that the 4-domatic partition problem is NP-complete for planar graphs of bounded maximum degree. We use this NP-completeness result to show that the total 4-domatic partition problem … first train from changi airportWebThe total domatic number of a graph G is the maximum number of total dominating sets into which the vertex set of G can be partitioned. We show that the total domatic … campgrounds near delgrosso amusement park