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A polynomial time approximation scheme for the square packing problem

Published: 26 May 2008 Publication History

Abstract

Given a set Q of squares with positive profits, the square packing problem is to select and pack a subset of squares of maximum profit into a rectangular bin R. We present a polynomial time approximation scheme for this problem, that for any value Ɛ > 0 finds and packs a subset Q′ ⊆ Q of profit at least (1 - Ɛ)OPT, where OPT is the profit of an optimum solution. This settles the approximability of the problem and improves on the previously best approximation ratio of 5/4 +Ɛ achieved by Harren's algorithm.

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Fishkin, A.V., Gerber, O., Jansen, K., Solis-Oba, R.: Packing weighted rectangles into a square. In: Jedrzejowicz, J., Szepietowski, A. (eds.) MFCS 2005. LNCS, vol. 3618, pp. 352-363. Springer, Heidelberg (2005)
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Harren, R.: Approximating the orthogonal knapsack problem for hypercubes. In: International Colloquium on Automata Languages and Programming (ICALP 2006), pp. 238-249 (2006)
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Jansen, K., Zhang, G.: Maximizing the total profit of rectangles packed into a rectangle. Algorithmica 47, 323-342 (2007)
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  1. A polynomial time approximation scheme for the square packing problem

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    Published In

    cover image Guide Proceedings
    IPCO'08: Proceedings of the 13th international conference on Integer programming and combinatorial optimization
    May 2008
    476 pages
    ISBN:3540688862
    • Editors:
    • Andrea Lodi,
    • Alessandro Panconesi,
    • Giovanni Rinaldi

    Sponsors

    • ILOG
    • University Bologna: University Bologna
    • IASI-CNR
    • IBMR: IBM Research
    • BiCi

    Publisher

    Springer-Verlag

    Berlin, Heidelberg

    Publication History

    Published: 26 May 2008

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    • (2019)Faster Approximation Schemes for the Two-Dimensional Knapsack ProblemACM Transactions on Algorithms10.1145/333851215:4(1-28)Online publication date: 8-Aug-2019
    • (2017)Faster approximation schemes for the two-dimensional knapsack problemProceedings of the Twenty-Eighth Annual ACM-SIAM Symposium on Discrete Algorithms10.5555/3039686.3039692(79-98)Online publication date: 16-Jan-2017
    • (2017)Online Square-into-Square PackingAlgorithmica10.1007/s00453-016-0114-277:3(867-901)Online publication date: 1-Mar-2017
    • (2015)A quasi-PTAS for the two-dimensional geometric knapsack problemProceedings of the twenty-sixth annual ACM-SIAM symposium on Discrete algorithms10.5555/2722129.2722227(1491-1505)Online publication date: 4-Jan-2015
    • (2012)Packing anchored rectanglesProceedings of the twenty-third annual ACM-SIAM symposium on Discrete algorithms10.5555/2095116.2095144(294-305)Online publication date: 17-Jan-2012
    • (2011)2D knapsackProceedings of the 5th joint international frontiers in algorithmics, and 7th international conference on Algorithmic aspects in information and management10.5555/2021911.2021934(176-184)Online publication date: 28-May-2011
    • (2009)Approximation algorithms for orthogonal packing problems for hypercubesTheoretical Computer Science10.1016/j.tcs.2009.07.030410:44(4504-4532)Online publication date: 1-Oct-2009
    • (2009)A Structural Lemma in 2-Dimensional Packing, and Its Implications on ApproximabilityProceedings of the 20th International Symposium on Algorithms and Computation10.1007/978-3-642-10631-6_10(77-86)Online publication date: 5-Dec-2009

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