Degree-bounded minimum spanning trees

نویسندگان

  • Raja Jothi
  • Balaji Raghavachari
چکیده

* to be exact, times the weight of a minimum spanning tree (MST). In particular, we present an improved analysis of Chan’s degree-4 MST algorithm [4]. Previous results. Arora [1] and Mitchell [9] presented PTASs for TSP in Euclidean metric, for fixed dimensions. Unfortunately, neither algorithm extends to find degree-3 or degree-4 trees. Recently, Arora and Chang [3] have devised a quasi-polynomial-time approximation scheme for the Euclidean degreespanning tree problem in

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تاریخ انتشار 2004