I guess that is the same Tropp, at the end of the article, as https://arxiv.org/abs/0909.4061 https://arxiv.org/abs/0909.4061 It is a pretty good framework fo

I guess that is the same Tropp, at the end of the article, as https://arxiv.org/abs/0909.4061 https://arxiv.org/abs/0909.4061 It is a pretty good framework for eigenvalues, as long as your eigenvalues are good (decay nicely). If your eigenvalues don’t decay nicely… find a different problem!