2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36442Some recent (1997-1998) theoretical results concerning the $ζ$-function regularization procedure used to renormalize, at one-loop, the effective Lagrangian, the field fluctuations and the stress-tensor in curved spacetime are reviewed.References added, 9 pages, latex, no figures, contributed to 13th National Conference on General Relativity, Bari, Italy, 21-24 Sep 1998General Relativity and Quantum CosmologyA review on recent results of the $ζ$-function regularization procedure in curved spacetimetext