Two-loop Renormalization Group Equations in the Standard Model
  Two-loop renormalization group equations in the standard model are re-calculated. A new coefficient is found in the beta-function of the quartic coupling and a class of gauge invariants are found to be absent in the beta-functions of hadronic Yukawa couplings. The two-loop beta-function of the Higgs mass parameter is presented in complete form. 
Mingxing Luo and Yong Xiao (Zhejiang U.)