Years and Authors of Summarized Original Work
2003; Cheng, Huang, Li, Wu, Du
Problem Definition
Consider a graph G = (V, E). A subset C of V is called a dominating set if every vertex is either in C or adjacent to a vertex in C. If, furthermore, the subgraph induced by C is connected, then C is called a connected dominating set. A connected dominating set with a minimum cardinality is called a minimum connected dominating set (MCDS). Computing an MCDS is an NP-hard problem and there is no polynomial-time approximation with performance ratio \(\rho H(\Delta )\) for ρ < 1 unless \(\mathit{NP} \subseteq \mathit{DTIME}(n^{O(\ln \ \ln \ n)})\) where H is the harmonic function and \(\Delta\) is the maximum degree of the input graph [11].
A unit disk is a disk with radius one. A unit disk graph (UDG) is associated with a set of unit disks in the Euclidean plane. Each node is at the center of a unit disk. An edge exists between two nodes u and v if and only if \(\vert \mathit{uv}\vert \leq 1\)...
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Wang, F., Du, DZ., Cheng, X. (2016). Connected Dominating Set. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-2864-4_89
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