Showing math.RTShow all
2 papers · 1 filter
math.RT2025
Gröbner crystal structures
Abigail Price, Ada Stelzer, Alexander Yong
We develop a theory of bicrystalline ideals, synthesizing Gröbner basis techniques and Kashiwara's crystal theory. This provides a unified algebraic, combinatorial, and computatio…
math.RT2025
Representations from matrix varieties, and filtered RSK
Abigail Price, Ada Stelzer, Alexander Yong
Matrix Schubert varieties (Fulton '92) carry natural actions of Levi groups. Their coordinate rings are thereby Levi-representations; what is a combinatorial counting rule for the…