A new lower bound for online strip packing

被引：6
|
作者：
Yu, Guosong [1 ]
Mao, Yanling [2 ]
Xiao, Jiaoliao [2 ]
机构：
[1] Nanchang Univ, Dept Math, Nanchang 330031, Peoples R China
[2] Nanchang Univ, Dept Management Sci & Engn, Nanchang 330031, Peoples R China
来源：
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH | 2016年 / 250卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Packing; Strip packing; Online algorithm; Competitive ratio; PARALLEL JOBS; ALGORITHMS;
D O I：
10.1016/j.ejor.2015.10.012
中图分类号：
C93 [管理学];
学科分类号：
12 ; 1201 ; 1202 ; 120202 ;
摘要：
In this paper, we consider the online strip packing problem, in which a list of online rectangles has to be packed without overlap or rotation into a strip of width 1 and infinite length so as to minimize the required height of the packing. We derive a new improved lower bound of (3 + root 5)/2 approximate to 2.618 for the competitive ratio for this problem. This result improves the best known lower bound of 2.589. (C) 2015 Elsevier B.V. and Association of European Operational Research Societies (EURO) within the International Federation of Operational Research Societies (IFORS). All rights reserved.
引用
收藏
页码：754 / 759
页数：6
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