3 papers
math.AG2025
The worst destabilizing 1-parameter subgroup for toric rational curves with one unibranch singularity
Joshua Jackson, David Swinarski
Kempf proved that when a point is unstable in the sense of Geometric Invariant Theory, there is a ``worst'' destabilizing 1-parameter subgroup . It is natural to ask: what a…
cs.LG2024
Idiographic Personality Gaussian Process for Psychological Assessment
Yehu Chen, Muchen Xi, Jacob Montgomery +2
We develop a novel measurement framework based on a Gaussian process coregionalization model to address a long-lasting debate in psychometrics: whether psychological features like…
math.AG2024
Affine Non-Reductive GIT and moduli of representations of quivers with multiplicities
Eloise Hamilton, Victoria Hoskins, Joshua Jackson
We give an explicit approach to quotienting affine varieties by linear actions of linear algebraic groups with graded unipotent radical, using results from projective Non-Reductive…