251 citations · 1.4k across the 67 of their papers we have counts for
Showing 2026 · math.STShow all
2 papers · 2 filters
math.ST2026
Theoretical Foundations of Ordinal Spherical Multidimensional Scaling
Elizabeth Coda, Ery Arias-Castro
There has been general interest in spherically constrained embeddings as data with an inherently circular or spherical structure arise in a number of applications. While many metho…
math.ST2026
Confidence Bands for the Gradient Lines of a Density Function
Ery Arias-Castro, Wanli Qiao
We consider the problem of estimating the gradient ascent line of a density originating at a given point. Going beyond mere consistency, we establish a weak convergence result for…