2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166125A short survey of exotic smooth structutes on 4-manifolds is given with a special emphasis on the corresponding cork structures. Along the way we discuss some of the more recent results in this direction, obtained jointly with R.Matveyev, B.Ozbagci, C.Karakurt and K.Yasui.18 pages 21 Figures, Conference "Perspectives in Analysis, Geometry, and Topology" Stockholm (2008)Geometric TopologyHigh Energy Physics - TheorySymplectic Geometry58D27, 58A05, 57R65text