Abstract
This paper is the fifth in a series of papers devoted to the proof of the Kepler conjecture, which asserts that no packing of congruent balls in three dimensions has density greater than the face-centered cubic packing. In this paper we prove that decomposition stars associated with the plane graph of arrangements we term pentahedral prisms do not contravene. Recall that a contravening decomposition star is a potential counterexample to the Kepler conjecture. We use interval arithmetic methods to prove particular linear relations on components of any such contravening decomposition star. These relations are then combined to prove that no such contravening stars exist.
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Ferguson, S. Sphere Packings, V. Pentahedral Prisms. Discrete Comput Geom 36, 167–204 (2006). https://doi.org/10.1007/s00454-005-1214-y
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DOI: https://doi.org/10.1007/s00454-005-1214-y