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2011•Lecture notes in computer scienceRequires access

An Approximation Algorithm for the Tree t-Spanner Problem on Unweighted Graphs via Generalized Chordal Graphs

Feodor F. Dragan, Ekkehard A. Köhler

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Key concepts: Chordal graph, Computer science, Spanner, Tree (set theory), Gomory–Hu tree, Combinatorics, Steiner tree problem, Treewidth

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