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  1. NTU Theses and Dissertations Repository
  2. 電機資訊學院
  3. 資訊工程學系
Please use this identifier to cite or link to this item: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/37439
Title: 加權外部平面圖之最小迴圈基底
Minimum Cycle Bases of Weighted Outerplanar Graphs
Authors: Tsung-Hao Liu
劉宗灝
Advisor: 呂學一(Hsueh-I Lu)
Keyword: 迴圈基底,外部平面圖,資料結構,
cycle basis,outerplanar,data structure,
Publication Year : 2008
Degree: 碩士
Abstract: 本論文提出第一個在加權外部平面圖(weighted outerplanar graph) 上計算最小迴圈基底(minimum cycle basis) 的最佳演算法。更精確地說, 對於任何一個擁有n 個點的加權外部平面圖G, 本論文提出一個O(n) 時間的演算法, 對G 的一組最小迴圈基底C 計算出一個O(n) 空間的精簡表示 (compact representation) Z(C) 。此外, C 中的每一個迴圈, 可在每條邊花費O(1) 時間的情況下由 Z(C) 得知。
We give the first known optimal algorithm that computes a minimum cycle basis for any weighted outerplanar graph. Specifically, for any n-node edge-weighted outerplanar graph G, we give an O(n)-time algorithm to obtain an O(n)-space compact representation Z(C) for a minimum cycle basis C of G. Each cycle in C can be computed from Z(C) in O(1) time per edge.
URI: http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/37439
Fulltext Rights: 有償授權
Appears in Collections:資訊工程學系

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