Angles, triangle inequalities, correlation matrices and metric-preserving and subadditive functions
We study the triangle inequalities for angles (with different definitions) and present inequalities concerning the entries of correlation matrices through the positivity of $3\times 3$ matrices. We extend our discussions to the inequalities concerning the triangle triplets with metric-preserving and...
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| Format: | Artikel |
| Sprache: | eng |
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| Zusammenfassung: | We study the triangle inequalities for angles (with different definitions)
and present inequalities concerning the entries of correlation matrices through
the positivity of $3\times 3$ matrices. We extend our discussions to the
inequalities concerning the triangle triplets with metric-preserving and
subadditive functions. |
|---|---|
| DOI: | 10.48550/arxiv.1407.2800 |