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The dual of a chain geometry |
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| Authors: | Andrea Blunck Hans Havlicek |
| Institution: | Fachbereich Mathematik, Universit?t Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany, DE Institut für Geometrie, Technische Universit?t, Wiedner Hauptstrasse 8–10, 1040 Wien, Austria, e-mail: havlicek@geometrie.tuwien.ac.at, AT |
| Abstract: | We introduce and discuss the dual of a chain geometry. Each chain geometry is canonically isomorphic to its dual. This allows us to show that there are isomorphisms of chain geometries that arise from antiisomorphisms of the underlying rings. Received 13 December 2000. |
| Keywords: | : Projective line chain geometry duality ring antiisomorphism |
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