Ada Stelzer

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20242026

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math.CO2026

Towards combinatorial derivations of K-polynomials for determinantal varieties

Liam Buttitta, Ada Stelzer

Let $X_{k} \subseteq Mat_{m, n}$ denote the variety of $m \times n$ complex matrices with rank at most $k$ . The power series and rational expressions for the Hilbert se…

math.CO2026

Plane partitions and spin adapted quantum states

Abigail Price, Ada Stelzer, Svala SverrisdÃ³ttir

We describe an explicit basis for the $SU (2)$ -invariant space of the exterior power $\land_{2 k} C^{2 m}$ via the combinatorics of plane partitions. In quant…

math.CO2025

Sums of Schubert structure constants with bounded Coxeter length

Ada Stelzer

Pak-Robichaux recently introduced a signed puzzle rule for Schubert structure constants, which they use to show that sums $I^_{k}^{3} (n)$ of these constants with a bounded number of inve…