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Displaying similar documents to “Cross ratios of points and lines in Moufang planes.”

Historical notes on loop theory

Hala Orlik Pflugfelder (2000)

Commentationes Mathematicae Universitatis Carolinae

Similarity:

This paper deals with the origins and early history of loop theory, summarizing the period from the 1920s through the 1960s.

Extending Nearaffine Planes to Hyperbola Structures

Kinga Cudna-Salmanowicz, Jan Jakóbowski (2007)

Bulletin of the Polish Academy of Sciences. Mathematics

Similarity:

H. A. Wilbrink [Geom. Dedicata 12 (1982)] considered a class of Minkowski planes whose restrictions, called residual planes, are nearaffine planes. Our study goes in the opposite direction: what conditions on a nearaffine plane are necessary and sufficient to get an extension which is a hyperbola structure.