Title On the Petrials of thin rank 3 geometries
Authors D. Bonheure, F. Buekenhout, D. Leemans
Reference J. Geom. 71(2001), no. 1-2, 19-26.
Math. Reviews 2002g:51014
Zentralblatt 1013.51005
Abstract The aim of this paper is to extend the concept of a Petrial to thin (regular) rank three geometries. The main result is that if the Petrial of a thin regular residually connected geometry G is also a thin geometry, the geometry G has a linear diagram.

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