2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185109I review how electroweak precision observables can be used to constrain the Higgs boson mass and the strong coupling constant. Implications for physics beyond the Standard Model are also addressed.9 pages, 4 figures, Talk presented at the Symposium in Honor of Alberto Sirlin, NYU, NY, October 2000High Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext