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APPROX
2009
Springer
177views Algorithms» more  APPROX 2009»
14 years 2 months ago
Improved Absolute Approximation Ratios for Two-Dimensional Packing Problems
Abstract. We consider the two-dimensional bin packing and strip packing problem, where a list of rectangles has to be packed into a minimal number of rectangular bins or a strip of...
Rolf Harren, Rob van Stee
ESA
2004
Springer
98views Algorithms» more  ESA 2004»
14 years 24 days ago
Competitive Online Approximation of the Optimal Search Ratio
How efficiently can we search an unknown environment for a goal in unknown position? How much would it help if the environment were known? We answer these questions for simple poly...
Rudolf Fleischer, Thomas Kamphans, Rolf Klein, Elm...
IPL
2007
70views more  IPL 2007»
13 years 7 months ago
An improved approximation ratio for the minimum linear arrangement problem
We observe that combining the techniques of Arora, Rao, and Vazirani, with the rounding algorithm of Rao and Richa yields an O( √ log n log log n)-approximation for the minimum-...
Uriel Feige, James R. Lee
DM
2002
72views more  DM 2002»
13 years 7 months ago
On approximating the maximum diameter ratio of graphs
Joze Marincek, Bojan Mohar