Absolute isotropic geometry

Struve, R; Struve, H

Struve, H (corresponding author), Univ Cologne, Inst Math Didakt, Gronewaldstr 2, D-50931 Cologne, Germany.

JOURNAL OF GEOMETRY, 2021; 112 (1):

Abstract

The term 'absolute geometry' was coined by J ' anos Bolyai to characterize the part of Euclidean geometry that does not depend on the parallel postula......

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