2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48406Two introductory lectures on inflation and dark matter presented at the NATO Advanced Study Institute on Techniques and Concepts of High-Energy Physics.23 page LaTeX paper with 12 figures included using \epsf. Requires crckapb.sty. For publication in Proceedings of the NATO Advanced Study Institute on Techniques and Concepts of High-Energy Physics (10th : 1998 : St. Croix, V.I.) Ed. T. FerbelHigh Energy Physics - PhenomenologyAstrophysicstext