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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

AMA | September 2024

7460.872 - 7484.655 Sean Carroll

And if you have a form where near the diagonal of the matrix you have a lot of non-zero entries, and away from the diagonal the entries are all zero, then that gives you an enormous simplification over what the matrix is trying to do. So... Anyway, to get what I was saying, that is a form of coarse graining, but it is certainly not the only form.

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