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3
votes
1
answer
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Relation between Frobenius norm, infinity norm and sum of maxima
$$\sum_{i=1}^n\max_{1\leq j\leq n} |A_{ij}|^2\gtrsim n$$
I cannot find a relation between matrix norms that can show this. …
7
votes
1
answer
6k
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Relation between Frobenius, spectral norm and sum of maxima
I cannot find a relation between matrix norms that can show this. The idea behind this question is that there are many singular values of $A$ that are $\Theta(1)$.
Thanks! …