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Godbersen’s conjecture for locally anti-blocking bodies

  • Shay Sadovsky
Veröffentlicht/Copyright: 19. Juli 2025
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Abstract

In this note we give a short proof of Godbersen’s conjecture for the special class of locally anti-blocking bodies. We show that all equality cases amongst locally anti-blocking bodies are for locally anti-blocking simplices, further supporting the conjecture. The proof of the equality cases introduces a useful calculation of mixed volumes of aligned simplices.

MSC 2010: 52A20; 52A39; 52A40

Funding statement: This research was partially supported by ISF Grant No. 784/20. The author is also grateful to the Azrieli foundation for the award of an Azrieli fellowship.

Acknowledgements

The author would like to thank Shiri Artstein-Avidan, for her supervision and guidance, and Arnon Chor, for many insightful discussions and his thorough reading of this manuscript. The author thanks Raman Sanyal for pointing out the second proof of Lemma 1.2, and Martin Henk for bringing the references [13; 20] to her attention.

  1. Communicated by: F. Santos

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Received: 2024-02-07
Revised: 2025-01-31
Published Online: 2025-07-19
Published in Print: 2025-07-28

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