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Linear geometries on the Moebius strip: A theorem of Skornyakov type
Published online by Cambridge University Press: 17 April 2009
Extract
We show that the continuity properties of a stable plane are automatically satisfied if we have a linear space with point set a Moebius strip, provided that the lines are closed subsets homeomorphic to the real line or to the circle. In other words, existence of a unique line joining two distinct points implies continuity of join and intersection. For linear spaces with an open disk as point set, the same result was proved by Skornyakov.
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- Copyright © Australian Mathematical Society 2005