3 papers
math.AT2026
The Chordal Distance Transform of Geometric Loops and its Persistent Homology
James A. D. Binnie, Otto Sumray, Ka Man Yim
We present an isometry and parametrisation invariant of embeddings of into Euclidean space. We do so by representing the distance between pairs of points on the embedded circ…
cond-mat.soft2025
A topological approach to the Cahn-Hilliard equation and hyperuniform fields
Abel H. G. Milor, Otto Sumray, Heather A. Harrington +2
Hyperuniform structures are disordered, correlated systems in which density fluctuations are suppressed at large scales. Such a property generalizes the concept of order in pattern…
stat.ML2024
Quiver Laplacians and Feature Selection
Otto Sumray, Heather A. Harrington, Vidit Nanda
The challenge of selecting the most relevant features of a given dataset arises ubiquitously in data analysis and dimensionality reduction. However, features found to be of high im…