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Results tagged with inequalities
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user 50562
for questions involving inequalities, upper and lower bounds.
6
votes
3
answers
1k
views
Norm of the upper triangular part of symmetric matrix
Let $D\in \mathbb{R}^{n\times n}$ denote a lower triangular matrix. With $\|\cdot\|$ denoting the spectral matrix norm, is there an estimate like
$$
\|D\| \leq C\|D+D^T\|,
$$
where $C>0$ is independ …
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