A characterization of two classes of locally truncated diagram geometries
classification
🧮 math.GR
keywords
geometrieslocallyconnecteddiagramresiduallytruncatedbuildingscharacterization
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We study locally truncated geometries that are parapolar spaces locally of type A_{n-1,j}(K) with n>6 and j=3,4. Residually connected sheaves over these geometries are constructed. It is proved that these geometries are residually connected diagram geometries whose universal 2-covers are truncations of buildings.
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