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109.20 Less than equable triangles on the Eisenstein lattice

Published online by Cambridge University Press:  20 June 2025

Christian Aebi  and
Grant Cairns
Christian Aebi
Affiliation:
College Calvin, Geneva, Switzerland 1211 e-mail: christian.aebi@edu.ge.ch
Grant Cairns
Affiliation:
Department of Mathematical and Physical Sciences, La Trobe University, Melbourne, Australia 3086 e-mail: G.Cairns@latrobe.edu.au
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The Mathematical Gazette , Volume 109 , Issue 575 , July 2025 , pp. 325 - 329
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Copyright
© The Authors, 2025 Published by Cambridge University Press on behalf of The Mathematical Association

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References

Dolan, S., Less than equable Heronian triangles, Math. Gaz., 100 (November 2016) pp. 482–489.CrossRefGoogle Scholar
Ostermann, A. and Wanner, G., Geometry by its History, Springer, Heidelberg (2012).CrossRefGoogle Scholar
Sloane, N.J. A., The On-line Encyclopedia of Integer Sequences, https://oeis.org.Google Scholar
Yiu, Paul, Heronian triangles are lattice triangles, Amer. Math. Monthly 108(3) (2001) pp. 261–263.CrossRefGoogle Scholar
Aebi, Christian and Cairns, Grant, Following in Yiu’s footsteps but on the Eisenstein lattice, Amer. Math. Monthly 131(6) (2024) pp. 526–529.CrossRefGoogle Scholar
Aebi, Christian and Cairns, Grant, Equable triangles on the Eisenstein lattice, to appear in Math. Gaz. 109 (March 2025) pp. 140–142.Google Scholar