On Napoleon's theorem in the isotropic plane

DOI10.1007/s10998-006-0032-1zbMath1136.51012OpenAlexW2000823676MaRDI QIDQ925134

Margarita Spirova, Horst Martini

Publication date: 29 May 2008

Published in: Periodica Mathematica Hungarica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10998-006-0032-1

zbMATH Keywords

dual numbersNapoleon's theoremGalilean planeisotropic planeCayley-Klein geometriesNapoleon configuration

Mathematics Subject Classification ID

Elementary problems in Euclidean geometries (51M04)

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