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Jun 22, 2017 at 2:21 history edited ofer zeitouni CC BY-SA 3.0
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Jun 21, 2017 at 3:18 comment added ofer zeitouni OOPS, my bad, I misread. Luckily, the answer is similar for the spectral radius, see edit.
Jun 21, 2017 at 3:17 history edited ofer zeitouni CC BY-SA 3.0
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Jun 20, 2017 at 16:47 comment added Pietro Paparella @oferzeitouni: I'm interested in the spectral radius, not the spectral norm.
Jun 20, 2017 at 11:07 comment added ofer zeitouni Sorry it was a typo (I called the zero mean matrix $X$, forgetting that $X$ was already defined in the OP). Fixed now.
Jun 20, 2017 at 11:07 history edited ofer zeitouni CC BY-SA 3.0
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Jun 20, 2017 at 11:01 comment added Brendan McKay I don't understand the first sentence. $X+EY$ is not the same as $|X|$.
Jun 20, 2017 at 10:40 history answered ofer zeitouni CC BY-SA 3.0