When i coursed the quantum field theory at university our teacher told us about this equation..i have searched information aobut it in many books and have the form...it seems is a partial-differential equation but i have doubts..(adsbygoogle = window.adsbygoogle || []).push({});

a)what is have to do with renormalization?...(in fact how to use it in renormalization theory

b)If theory is not renormalizable then..what would be the c-s equation then?.exist if not why?

hope someone can help....

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# Callan-Szymanzick equation and renormalization

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