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Showing 1 to 20 of 40 for “"dominating set"”.
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In solving the dominating set problem : group theory approach
This thesis presents a new way to find the dominating set of a graph by introducing the concept of an orbit graph and a weighted dominating set. We showed that the Blokhuis-Lam method for the football pool problem is a special case of assuming that the solution has a non-trivial automorphism group. …
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Integer programming formulation for contention aware connected dominating set in wireless multi-hop network
… networks. Broadcasting with Minimum Connected Dominating Set (MCDS) is used to reduce redundant transmission. Contention occurs when a group of nodes want to transmit over a shared channel at the same time. During contention, nodes defer transmissions for a random time. Using Contention-aware …
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Novel Integer Optimization Methods and their Applications in Biomass Supply Chain and Power Dominating Set
… of IO to power systems, especially power dominating set problems. The IO has been applied in almost every aspect of the power system industry, including power system network design problem, unit commitment problem, and sensor placement problem. Phasor Measurement Unit (PMU) placement …
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The bidimensionality theory and its algorithmic applications
… of such problems include feedback vertex set, vertex cover, minimum maximal matching, face cover, a series of vertex- removal parameters, dominating set, edge dominating set, r-dominating set, connected dominating set, connected edge dominating set, connected r-dominating set, and …
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Global Domination Stable Graphs
<p>A set of vertices <i>S</i> in a graph <i>G</i> is a global dominating set (GDS) of <i>G</i> if <i>S</i> is a dominating set for both <i>G</i> and its complement <i>G</i>. The minimum cardinality of a global dominating set of <i>G</i> is the global domination number of <i>G</i>. We explore the …
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Cost Effective Domination in Graphs
<p>A set <em>S</em> of vertices in a graph <em>G</em> = (<em>V</em>,<em>E</em>) is a dominating set if every vertex in <em>V</em> \ <em>S</em> is adjacent to at least one vertex in <em>S</em>. A vertex <em>v</em> in a dominating set <em>S</em> is said to be it <em>cost effective</em> if it is …
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Placing Monitoring Devices in Electric Power Networks Modeled by Block Graphs.
… related to the well known vertex covering and dominating set problems in graph theory. A set <em>S</em> of vertices is defined to be a power dominating set of a graphs if every vertex and every edge in the system is monitored by the set <em>S</em> (following a set of rules for power system …
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Paired-Domination in Grid Graphs.
… <em>G</em> = (<em>V</em>, <em>E</em>) has a dominating set <em>S</em> ⊆ <em>V</em>(<em>G</em>) such that any vertex not in <em>S</em> is adjacent to a vertex in <em>S</em>. We define a paired-dominating set <em>S</em> to be a dominating set <em>S</em> = {<em>v</em><sub>1</sub>, …
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Domination in Sparse Graphs
… of V (G) with parts ( V1, V2, ... , V t). A pi-dominating set B is a dominating set that is the union of parts of pi. The pi-domination number gamma(G,pi) of G is the size of a smallest pi-dominating set. If each Vi in pi has size at most 2, we call pi a coupling of G and say that the vertices …
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Locating and Total Dominating Sets in Trees.
<p>A set <em>S</em> of vertices in a graph <em>G</em>=(<em>V</em>,<em>E</em>) is a total dominating set of <em>G</em> if every vertex of <em>V</em> is adjacent to some vertex in <em>S</em>. In this thesis, we consider total dominating sets of minimum cardinality which have the additional property …
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Liar's Domination in Grid Graphs
… in N[<em>v</em>] the intruder is located. A dominating set is required to identify any intruder's location in the graph <em>G</em>, and if any one device can fail to detect the intruder, then a double-dominating set is necessary. Stronger still, a liar's dominating set can identify an …
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Double Domination of Complementary Prisms.
… and <em>G̅</em>. For any graph <em>G</em>, a set <em>D</em> ⊆ <em>V</em> (<em>G</em>) is a <em>double dominating set</em> (DDS) if that set dominates every vertex of <em>G</em> twice. The <em>double domination number</em>, denoted γ<sub>×2</sub>(<em>G</em>), is the cardinality of a minimum …
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Multiple domination in graphs
… an undirected and simple graph G = (V , E), a subset D of the vertex set is called a k-dominating set if every vertex not in D has at least k neighbors in D. This concept was introduced by Fink and Jacobson in the year 1985, generalizing the already much studied concept of domination in graphs. In …
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Explorations in the Classification of Vertices as Good or Bad.
<p>For a graph <em>G</em>, a set <em>S</em> is a dominating set if every vertex in <em>V</em>-<em>S</em> has a neighbor in <em>S</em>. A vertex contained in some minimum dominating set is called good; otherwise it is bad. A graph <em>G</em> has <em>g</em>(<em>G</em>) good vertices and …
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Locating-Domination in Complementary Prisms.
… vertices of <em>G</em> and <em>G̅</em>. A set <em>D</em> ⊆ <em>V</em> (<em>G</em>) is a locating-dominating set of <em>G</em> if for every <em>u</em> ∈ <em>V</em> (<em>G</em>)<em>D</em>, its neighborhood <em>N</em>(<em>u</em>)⋂<em>D</em> is nonempty and distinct from …
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Degree Ramsey theory, game and Roman domination, and game saturation in graphs
… w in a graph if w is adjacent or equal to v; a dominating set is a set that dominates all vertices. In this game, two players jointly construct a dominating set S in a graph G by alternately adding vertices; each addition must strictly increase the number of vertices dominated. One player aims …
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Adaptive clustering and transmission range adjustment for topology control in wireless sensor networks
… to achieve further energy saving. Connected dominating set (CDS) as a very promising energy saving technique can be used with either a transmission-power-based algorithm or a dutycycle- based algorithm. I have designed a distributed algorithm, DSP-CDS, for constructing CDS quickly in a single …
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Power Domination in graphs
… essentially the number of steps it takes a power dominating set of vertices to monitor a graph. We show how ideas from domina-tion can be extended to power domination and k-power domination. We show how domination differs from k-power domination. We demonstrate how making small changes to a graph …
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Energy-Aware Topology Control and Data Delivery in Wireless Sensor Networks
… which share a common structure, the minimum dominating set. For the downstream data delivery, we consider reliability as well as energy conservation since unreliable data delivery can increase energy consumption under high data loss rates. To reduce energy consumption and achieve robustness, …
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Improved distributed algorithms for fundamental graph problems
… for solving graph problems in distributed settings and more generally for performing distributed computation in networks. These algorithms are applicable in a wide variety of settings, ranging from computer networks to massively parallel computing and beyond. This thesis addresses a number …
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