Open-end bin packing: New and old analysis approaches

Research output: Contribution to journalArticlepeer-review


We analyze a recently introduced concept, called the price of clustering, for variants of bin packing called open-end bin packing problems (OEBP). Input items have sizes, and they also belong to a certain number of types. The new concept of price of clustering deals with the comparison of optimal solutions for the cases where items of distinct types can and cannot be packed together, respectively. The problem is related to greedy bin packing algorithms and to batched bin packing, and we discuss some of those concepts as well. We analyze max-OEBP, where a packed bin is valid if by excluding its largest item, the total size of items is below 1. For this variant, we study the case of general item sizes, and the parametric case with bounded item sizes, which shows the effect of small items. Finally, we briefly discuss min-OEBP, where a bin is valid if the total size of its items excluding the smallest item is strictly below 1, which is known to be an entirely different problem.

Original languageEnglish
Pages (from-to)220-239
Number of pages20
JournalDiscrete Applied Mathematics
StatePublished - 15 Nov 2022

Bibliographical note

Publisher Copyright:
© 2022 Elsevier B.V.


  • Asymptotic approximation ratio
  • Bin packing
  • Price of clustering

ASJC Scopus subject areas

  • Discrete Mathematics and Combinatorics
  • Applied Mathematics


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