Abstract
Under the assumption of the Maiani-Parisi-Petronzio scheme of nonperturbative grand unification, the low-energy couplings of the standard model with n\ensuremath{\ge}8 generations are close to their infrared-stable fixed-point values, and we determine them using analytical expansion methods. For n=9, we find ${\mathrm{sin}}^{2}$${\mathrm{theta}}_{\mathrm{W}}$=0.193, ${\mathrm{m}}_{\mathrm{H}}$=100 GeV, ${\mathrm{m}}_{\mathrm{top}}$=134 GeV, and ${\mathrm{m}}_{\mathrm{quarks}}$=74 GeV.
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