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Any concrete book for renormalization to recommend？ concrete Enough，and simple enough， both in mathematics and physics.

Thanks in advance.

XL _At_Here_There
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    There are at least two very different approaches to renormalization in physics; the very meaning of "renormalization" is quite different in relativistic quantum field theory versus statistical mechanics (although obviously there are connections). What references might be useful depend a great deal on what kind of problems you might be interested in. – Buzz Oct 21 '21 at 00:14
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    Relevant: https://mathoverflow.net/questions/62770/what-mathematical-treatment-is-there-on-the-renormalization-group-flow-in-a-spac – Keefer Rowan Oct 21 '21 at 00:56
  • @Buzz, renormalization in relativistic quantum field theory is what I want to know. – XL _At_Here_There Oct 21 '21 at 02:18

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