On a problem on chamber systems |
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Authors: | Antonio Pasini |
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Institution: | (1) Department of Mathematics, University of Siena, Via del Capitano 15, I-53100 Siena, Italy |
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Abstract: | It is well known that a geometry belonging to a disconnected diagram is the direct sum of geometries corresponding to the connected components of the diagram. On the other hand, chamber systems with a disconnected diagram exist which do not split as direct products of components of smaller rank. Many finite examples of this kind are discussed in Groups of Lie Type and their Geometries (CUP, 1995, pp. 185–214), but none of them is simply connected. In this article, we construct a simply connected finite example. |
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Keywords: | 51E24 |
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