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Parallel Packing Squares into an Obtuse Triangle

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Abstract

Suppose that \(T(\alpha , \beta )\) is an obtuse triangle with base length 1 and with base angles measuring \(\alpha \) and \(\beta \) (where \(\alpha >90^{\circ }\)). Let S be a square with a side parallel to the base of \(T(\alpha , \beta )\) and let \(\{S_{i}\}\) be a collection of the homothetic copies of S. In this note a tight upper bound of the sum of the areas of squares from \(\{S_{i}\}\) that can be parallel packed into \(T(\alpha , \beta )\) is given. This result complements the previous upper bound obtained for \(\alpha \le 90^{\circ }\).

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Reference

  1. Januszewski, J., Liu, X., Su, Z., Zielonka, Ł: Parallel packing squares into a triangle. Results Math. 77(1), 48 (2022)

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Funding

This research was partially supported by National Natural Science Foundation of China (12271139), the NSF of Hebei Province (A2021205008), and the Science Foundation of Hebei Normal University (L2020Z01).

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Correspondence to Zhanjun Su.

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Januszewski, J., Liu, X., Su, Z. et al. Parallel Packing Squares into an Obtuse Triangle. Results Math 78, 31 (2023). https://doi.org/10.1007/s00025-022-01803-4

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  • DOI: https://doi.org/10.1007/s00025-022-01803-4

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