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Rational tetrahedra with edges in geometric progression

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posted on 2025-05-09, 20:04 authored by C. Chisholm, James A. MacDougall
This paper discusses tetrahedra with rational edges forming a geometric progression, focussing on whether they can have rational volume or rational face areas. We examine the 30 possible configurations of such tetrahedra and show that no face of any of these has rational area. We show that 28 of these configurations cannot have rational volume, and in the remaining two cases there are at most six possible examples, and none have been found.

History

Journal title

Journal of Number Theory

Volume

128

Issue

2

Pagination

251-262

Publisher

Academic Press

Language

  • en, English

College/Research Centre

Faculty of Science and Information Technology

School

School of Mathematical and Physical Sciences

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