Geodesic
Matroids describing Bruhat cells
Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 11, Tome 319 (2004), pp. 244-260 Cet article a éte moissonné depuis la source Math-Net.Ru

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The aim of this paper is to generalize results of A. V. Borovik and I. M. Gelfand to the case of two-sided small cells, which surprisingly appears to be much more simple. 
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M. Yu. Mitrofanov. Matroids describing Bruhat cells. Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 11, Tome 319 (2004), pp. 244-260. http://geodesic.mathdoc.fr/item/ZNSL_2004_319_a7/

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