Abstract
It is shown that the place topology induced by a proper epimorphism of a projective plane Π, which is known to make Π a Lenz-topological plane, makes Π even a topological projective plane, if the extended radical of some underlying ternary field is bounded.
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Kalhoff, F.B. A Note on the Place Topology of Projective Planes. Geometriae Dedicata 83, 319–327 (2000). https://doi.org/10.1023/A:1005288108409
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DOI: https://doi.org/10.1023/A:1005288108409