Legendre-like theorems in a general absolute geometry

DOI10.1007/s00025-007-0258-0zbMath1142.51013OpenAlexW1975909754MaRDI QIDQ927795

Silvia Pianta, Helmut Karzel, Mario Marchi

Publication date: 10 June 2008

Published in: Results in Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00025-007-0258-0

zbMATH Keywords

absolute planeLambert-Saccheri quadranglesum of angles of a triangle.

Mathematics Subject Classification ID

Absolute planes in metric geometry (51F05) Congruence and orthogonality in metric geometry (51F20)

Related Items (3)

On characterization of absolute geometries ⋮ In memoriam: Helmut Karzel (1928--2021) ⋮ Classification of general absolute planes by quasi-ends

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