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Folding polyominoes with holes into a cube

  • Oswin Aichholzer
  • , Hugo A. Akitaya
  • , Kenneth C. Cheung
  • , Erik D. Demaine
  • , Martin L. Demaine
  • , Sándor P. Fekete
  • , Linda Kleist
  • , Irina Kostitsyna
  • , Maarten Löffler
  • , Zuzana Masárová
  • , Klara Mundilova
  • , Christiane Schmidt (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

When can a polyomino piece of paper be folded into a unit cube? Prior work studied tree-like polyominoes, but polyominoes with holes remain an intriguing open problem. We present sufficient conditions for a polyomino with one or several holes to fold into a cube, and conditions under which cube folding is impossible. In particular, we show that all but five special “basic” holes guarantee foldability.

Original languageEnglish
Article number101700
Number of pages14
JournalComputational Geometry
Volume93
DOIs
Publication statusPublished - Feb 2021

Funding

This research was performed in part at the 33rd Bellairs Winter Workshop on Computational Geometry. We thank all other participants for a fruitful atmosphere. H. Akitaya was supported by NSF CCF-1422311 & 1423615 . Z. Masárová was partially funded by Wittgenstein Prize, Austrian Science Fund (FWF), grant no. Z 342-N31 .

FundersFunder number
National Science FoundationCCF-1422311
Directorate for Computer and Information Science and Engineering1423615, 1422311
Austrian Science Fund342-N31

    Keywords

    • Cube
    • Folding
    • Non-simple polyomino
    • Origami folding
    • Polyomino with holes

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