Keywords and Synonyms
Geometric graphs; Euclidean graphs
Problem Definition
The following classical optimization problem is considered: for a given undirected weighted geometric network, find its minimum-cost sub-network that satisfies a priori given multi-connectivity requirements.
Notations
Let \( { G = (V,E) } \) be a geometric network, whose vertex set V corresponds to a set of n points in ℝ d for certain integer d, \( { d \ge 2 } \), and whose edge set E corresponds to a set of straight-line segments connecting pairs of points in V. G is called complete if E connects all pairs of points in V.
The cost \( { \delta(x,y) } \) of an edge connecting a pair of points \( { x, y \in \mathbb{R}^d } \) is equal to the Euclidean distance between points x and y, that is, \( { \delta(x,y) = \sqrt{\sum_{i=1}^d (x_i - y_i)^2} } \), where \( { x = (x_1, \dots, x_d) } \) and \( { y = (y_1, \dots, y_d) } \). More generally, the cost \( { \delta(x,y) } \) could be defined using other norms, such as \...
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Czumaj, A., Lingas, A. (2008). Minimum k-Connected Geometric Networks. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-30162-4_237
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DOI: https://doi.org/10.1007/978-0-387-30162-4_237
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