Abstract
A condition on a matroid of rank $n-2$ for the corresponding thin Schubert cell being nonempty is determined. A necessary and sufficient condition for $k$ and $n$ so that the closure of a thin Schubert cell in $G(k,n)$ is always a union of thin Schubert cells is given.
Citation
Shinsuke Odagiri. "Thin Schubert cells of codimension two." J. Math. Kyoto Univ. 48 (2) 265 - 275, 2008. https://doi.org/10.1215/kjm/1250271412
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