Talks p-Adaptive and Fully Automatic hp-Adaptive Finite Elements, CCoM Seminar, UC San Diego, December 2009.[ Abstract|PDF] Implementing p-Version of Adaptive Finite Element Methods, CCoM Seminar, UC San Diego, November 2008.[ Abstract|PDF] On Constructing p-Adaptive Finite Element Methods, CCoM Seminar, UC San Diego, April 2008.[ Abstract|PDF] Adaptive Finite Element Methods For Solving PDEs, CCoM Seminar, UC San Diego, November 2007.[ Abstract|PDF] Remarks on the Local Behavior of the Finite Element Method, CCoM Seminar, UC San Diego, May 2007.[ Abstract|PDF] Remarks on the shooting method for nonlinear two point boundary-value problems, International on Differential Equations and Application, HoChiMinh City, August 2004.[PDF]