Staircase diagrams and the enumeration of smooth Schubert varieties - Archive ouverte HAL
Conference Papers Discrete Mathematics and Theoretical Computer Science Year : 2020

Staircase diagrams and the enumeration of smooth Schubert varieties

Abstract

In this extended abstract, we give a complete description and enumeration of smooth and rationally smooth Schubert varieties in finite type. In particular, we show that rationally smooth Schubert varieties are in bijection with a new combinatorial data structure called staircase diagrams.

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Dates and versions

hal-02166337 , version 1 (26-06-2019)

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Edward Richmond, William Slofstra. Staircase diagrams and the enumeration of smooth Schubert varieties. 28-th International Conference on Formal Power Series and Algebraic Combinatorics, Simon Fraser University, Jul 2016, Vancouver, Canada. ⟨10.46298/dmtcs.6411⟩. ⟨hal-02166337⟩
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