Supports for linear degenerations of flag varieties

Xin Fang
University of Cologne, Department of Mathematics and Computer Science, Weyertal 86-90, 50931 Cologne, Germany
Markus Reineke
Ruhr-Universität Bochum, Faculty of Mathematics, Universitätsstraße 150, 44780 Bochum, Germany

This article is published open access.

Abstract

We determine the set of supports for the flat family of linear degenerations of flag varieties in terms of Motzkin combinatorics.

Xin Fang, Markus Reineke, Supports for linear degenerations of flag varieties. Doc. Math. 26 (2021), pp. 1981–2003