On the Restricted 1-Steiner Tree Problem

被引：1
|
作者：
Bose, Prosenjit [1 ]
D'Angelo, Anthony [1 ]
Durocher, Stephane [2 ]
机构：
[1] Carleton Univ, Ottawa, ON K1S 5B6, Canada
[2] Univ Manitoba, Winnipeg, MB R3T 2N2, Canada
来源：
COMPUTING AND COMBINATORICS (COCOON 2020) | 2020年 / 12273卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Minimum k-Steiner tree; Steiner point restrictions; STEINER MINIMAL-TREES; ALGORITHMS; COMPLEXITY;
D O I：
10.1007/978-3-030-58150-3_36
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Given a set P of n points in R-2 and an input line gamma, we present an algorithm that runs in optimal Theta(n log n) time and Theta(n) space to solve a restricted version of the 1-Steiner tree problem. Our algorithm returns a minimum-weight tree interconnecting P using at most one Steiner point s is an element of gamma where edges are weighted by the Euclidean distance between their endpoints.
引用
收藏
页码：448 / 459
页数：12
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