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A matrix with curious property: near-equality of trace and squared Frobenius norm

Posted 4 days ago

A matrix with curious property: near-equality of trace and squared Frobenius norm

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POSTED BY: Yaroslav Bulatov
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POSTED BY: EDITORIAL BOARD

Just a quick question from an observation: is there a reason Tr[A] ~ d/E ?

POSTED BY: David Trimas

Nevermind I found it in your comment on the math.SE post

I can show that expected trace is equal to $(1- \frac{1}{d})^d$ ...

So for large $d$, $(1- \frac{1}{d})^d \to \frac{1}{e}$.

POSTED BY: David Trimas
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