Victoria Chayes

activity

20162022

most citedUnsupervised Classification in Hyperspectral Imagery with Nonlocal Total Variation and Primal-Dual Hybrid Gradient Algorithm

55 citations · 78 across the 8 of their papers we have counts for

collaborators

8 papers

math.FA2022

A Note On Convexity Inequalities Of Weighted Matrix Geometric Means

Victoria M Chayes

We offer a new proof of uniform convexity inequalities for the Finsler manifold of nonpositive curvature taken on the space of positive-semidefinite matrices with the weighted matr…

math.FA2021

Hanner's Inequality For Positive Semidefinite Matrices

Victoria M. Chayes

We prove an analogous Hanner's Inequality of $L^{p}$ spaces for positive semidefinite matrices. Let $∣∣ X ∣ ∣_{p} = Tr [(X^{*} X)^{p /2}]^{1/ p}$ denote the $p$ -Schatten norm of a matr…

math.FA2021★ 1 cited

Reverse Holder, Minkowski, And Hanner Inequalities For Matrices

Victoria Chayes

We examine a number of known inequalities for $L^{p}$ functions with reverse representations for $s < 1$ with complex matrices under the $p$ -norms $||X||_p=\text{Tr}[(X^\ast X)^{p/2}]^…

math.FA2020★ 5 cited

Matrix Rearrangement Inequalities Revisited

Victoria M Chayes

Let $∣∣ X ∣ ∣_{p} = Tr [(X^{*} X)^{p /2}]^{1/ p}$ denote the $p$ -Schatten norm of a matrix $X \in M_{n \times n} (C)$ , and $σ (X)$ the singular values with $↑$ $\downarro…

math.HO2020

A Mathematical Analysis of Mathematical Faculty

Victoria Chayes, Dodam Ih, Yukun Yao +2

We use the data of tenured and tenure-track faculty at ten public and private math departments of various tiered rankings in the United States, as a case study to demonstrate the s…

math-ph2019

Interpolation of Operators With Trace Inequalities Related To The Positive Weighted Geometric Mean

Victoria Chayes

There are various generalizations of the geometric mean $(a, b) \mapsto a^{1/2} b^{1/2}$ for $a, b \in R^{+}$ to positive matrices, and we consider the standard positive geometri…

astro-ph.EP2016★ 17 cited

Odd Harmonics in Exoplanet Photometry: Weather or Artifact?

Nicolas B. Cowan, Victoria Chayes, Elie Bouffard +2

Photometry of short-period planetary systems allows astronomers to monitor exoplanets, their host stars, and their mutual interactions. In addition to the transits of a planet in f…

cs.CV2016★ 55 cited

Unsupervised Classification in Hyperspectral Imagery with Nonlocal Total Variation and Primal-Dual Hybrid Gradient Algorithm

Wei Zhu, Victoria Chayes, Alexandre Tiard +6

In this paper, a graph-based nonlocal total variation method (NLTV) is proposed for unsupervised classification of hyperspectral images (HSI). The variational problem is solved by…