Independent Dominator Sequence Number of a Graph
Author(s) -
S. Arumugam,
B. Jayaram,
K. Thulasiraman
Publication year - 2015
Publication title -
procedia computer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.334
H-Index - 76
ISSN - 1877-0509
DOI - 10.1016/j.procs.2015.12.073
Subject(s) - combinatorics , vertex (graph theory) , sequence (biology) , graph , computer science , mathematics , discrete mathematics , biology , genetics
Let G = (V, E) be a connected graph. A dominator sequence in G is a sequence of vertices S = (v1, v2,. . ., vk) such that for each i with 2 ≤ i ≤ k, the vertex vi dominates at least one vertex which is not dominated by v1, v2,. . ., vi−1. If further the set of vertices in S is an independent set, then S is called an independent dominator sequence (IDS) in G. The maximum length of an IDS in G is called the independent dominator sequence number of G and is denoted by lι(G). In this paper we initiate a study of this parameter
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