alt Hacker NewsUniversality broadly construed is well understood since the 70s. Particular universality classes are newer and will likely continue to be discovered, but they all come to be in a qualitatively similar way.
Universality broadly construed is well understood since the 70s. Particular universality classes are newer and will likely continue to be discovered, but they all come to be in a qualitatively similar way.
If anyone has genuine interest, this review from shortly after the clarifying development of renormalization group theory might be a nice place to start: https://journals.aps.org/rmp/abstract/10.1103/RevModPhys.46....