Recent talks on instantons presented by Andreas Ringwald

• ``Instantons/Sphalerons: Searching for New Physics within the Standard Model", Festkolloquium Fridger Schrempp, Hamburg, February 2008 (35 pages).

• ``Instantonen/Sphaleronen im Standardmodell der Teilchenphysik", Physikalisches Kolloquium, Regensburg, November 2006 (29 Seiten).

  ``Instanton Physics", Sino-German Workshop on QCD at High Energies/Frontiers in QCD, Beijing, China, September 2004 (30 pages).

• ``Electroweak Baryon and Lepton Number Violation at Future Hadron Colliders", Fermilab, Batavia, USA, October 2003 (15 pages).