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New approximability results for 2-dimensional packing problems

Published: 26 August 2007 Publication History

Abstract

The strip packing problem is to pack a set of rectangles into a strip of fixed width and minimum length. We present asymptotic polynomial time approximation schemes for this problem without and with 90° rotations. The additive constant in the approximation ratios of both algorithms is 1, improving on the additive term in the approximation ratios of the algorithm by Kenyon and Rémila (for the problem without rotations) and Jansen and van Stee (for the problem with rotations), both of which have a larger additive constant O(1/ε2), ε > 0.
The algorithms were derived from the study of the rectangle packing problem: Given a set R of rectangles with positive profits, the goal is to find and pack a maximum profit subset of R into a unit size square bin [0, 1] × [0, 1]. We present algorithms that for any value ∈ > 0 find a subset R′ ⊆ R of rectangles of total profit at least (1 - ∈)OPT, where OPT is the profit of an optimum solution, and pack them (either without rotations or with 90° rotations) into the augmented bin [0, 1]×[0,1+∈].

References

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Bansal, N., Sviridenko, M.: Two-dimensional bin packing with one dimensional resource augmentation. Discrete Optimization 4, 143-153 (2007)
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Fishkin, A.V., Gerber, O., Jansen, K.: On weighted rectangle packing with large resources. In: Conference Theoretical Computer Science (TCS 2004), pp. 237-250 (2004)
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Jansen, K., van Stee, R.: On strip packing with rotations. In: ACM Symposium on Theory of Computing. STOC 2005, pp. 755-761 (2005)
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Jansen, K., Zhang, G.: On rectangle packing: maximizing benefits. In: ACM-SIAM Symposium on Discrete Algorithms. SODA 2004, pp. 197-206 (2004)
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Jansen, K., Zhang, G.: Maximizing the number of packed rectangles. In: Hagerup, T., Katajainen, J. (eds.) SWAT 2004. LNCS, vol. 3111, pp. 362-371. Springer, Heidelberg (2004)
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Kenyon, C., Remila, E.: A near-optimal solution to a two-dimensional cutting stock problem. Mathematics of Operations Research 25, 645-656 (2000)
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Leung, J.Y.-T., Tam, T.W., Wong, C.S., Young, G.H., Chin, F.Y.L.: Packing squares into a square. Journal Parallel and Dist. Computing 10, 271-275 (1990)
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      cover image Guide Proceedings
      MFCS'07: Proceedings of the 32nd international conference on Mathematical Foundations of Computer Science
      August 2007
      761 pages
      ISBN:354074455X
      • Editors:
      • Ludek Kučera,
      • Antonín Kučera

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      • EATCS: European Association for Theoretical Computer Science

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      Springer-Verlag

      Berlin, Heidelberg

      Publication History

      Published: 26 August 2007

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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
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      • (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
      • (2013)Smart-Grid electricity allocation via strip packing with slicingProceedings of the 13th international conference on Algorithms and Data Structures10.1007/978-3-642-40104-6_3(25-36)Online publication date: 12-Aug-2013
      • (2012)A(3/2+ε) approximation algorithm for scheduling moldable and non-moldable parallel tasksProceedings of the twenty-fourth annual ACM symposium on Parallelism in algorithms and architectures10.1145/2312005.2312048(224-235)Online publication date: 25-Jun-2012
      • (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
      • (2009)Improved Absolute Approximation Ratios for Two-Dimensional Packing ProblemsProceedings of the 12th International Workshop and 13th International Workshop on Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques10.1007/978-3-642-03685-9_14(177-189)Online publication date: 21-Aug-2009
      • (2008)Approximation Algorithms for Scheduling Parallel JobsProceedings of the 35th international colloquium on Automata, Languages and Programming - Volume Part I10.1007/978-3-540-70575-8_20(234-245)Online publication date: 7-Jul-2008
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