Angles, triangle inequalities, correlation matrices and metric-preserving and subadditive functions
Functional Analysis
2014-12-10 v2
Abstract
We study the triangle inequalities for angles (with different definitions) and present inequalities concerning the entries of correlation matrices through the positivity of matrices. We extend our discussions to the inequalities concerning the triangle triplets with metric-preserving and subadditive functions.
Keywords
Cite
@article{arxiv.1407.2800,
title = {Angles, triangle inequalities, correlation matrices and metric-preserving and subadditive functions},
author = {Diego Castano and Vehbi E. Paksoy and Fuzhen Zhang},
journal= {arXiv preprint arXiv:1407.2800},
year = {2014}
}