2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/220740In these lectures, a simple introduction to the phenomenon of diffraction in deep inelastic scattering and its theoretical description is given. While the main focus is on the diffractive structure function F_2^D, some issues in diffractive vector meson production are also discussed.36 pages, 21 figures, lectures at the Cracow School of Theoretical Physics, XXXIX Course, Zakopane, May 29 - June 8, 1999, discussion of two references made more preciseHigh Energy Physics - Phenomenologytext