Abstract
The real plane is a Baer subplane of the complex projective plane in the following sense: each complex line contains a real point and, dually, each complex point is on a real line. In the first part of this survey main aspects of the general theory will be reviewed. The second part is concerned with finite planes. Part 3 deals rather completely with Baer subplanes of compact, connected topological projective planes.
Citation
Helmut Salzmann. "Baer subplanes." Illinois J. Math. 47 (1-2) 485 - 513, Spring/Summer 2003. https://doi.org/10.1215/ijm/1258488168
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