On cones tangent to Schubert varieties of type 𝐷_{𝑛}

Ignat′ev, M.; Shevchenko, A.

doi:10.1090/spmj/1408

On cones tangent to Schubert varieties of type $D_n$
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by M. V. Ignat′ev and A. A. Shevchenko
Translated by: M. V. Ignat′ev

St. Petersburg Math. J. 27 (2016), 609-623

DOI: https://doi.org/10.1090/spmj/1408

Published electronically: June 2, 2016

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Abstract:

It is proved that the tangent cones to Schubert subvarieties of the flag variety of a reductive group with root system of type $D_n$ do not coincide if they correspond to different basic involutions in the Weyl group.

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