Where I am and where I was

1/10/2011 -    Profesor Contratado Doctor (Lecturer) Faculty of Teacher Training and Education, Autonoma University of Madrid, Spain

12/7/2013 – 19/8/2013, Math. Dept. Seoul National University, Seoul, South Korea

16/12/2012 – 21/12/2012, Math. Dept. Roma Tre University, Roma, Italy

8/7/2012 – 17/8/2012, Math. Dept. Konkuk University, Seoul, South Korea Korea

26/7/2012 – 8/7/2012, Math. Dept. Seoul National University, Seoul, South Korea

16/9/2010 - 30/9/2011, Autonoma University of Madrid, Spain

06-07/2010, Math. Dept. Konkun University, Seoul, South Korea
15/5/2009 -- 8/7/2009, Math. Dept. University of Liverpool, United Kingdom
15/03/2006-15/03/2009, Consejo Superior de Investigaciones Cientificas, C/Serrano, Madrid, Spain
04/08/2008-01/09/2008, Kyongpook National University, Daegu, and Korean Institute of Advanced Studies, Seoul, South Korea
10/11/2007-01/12/2007, Korean Institute of Advanced Studies, Seoul, South Korea
01/10/2005-15/03/2006, Dept. Algebra, Universidad Complutense de Madrid, Spain
01/10/2003-30/09/2005, Dip. Matematica, Università La Sapienza, Roma, Italy
03/03/2003-03/09/2003, Dip. Matematica, University of Ferrara, Italy
15/05/2002-15/08/2002, Math. Department, University of Liverpool, United Kingdom
01/08/2001-31/08/2001, IMAR, Bucuresti, Romania
08/07/2001-18/07/2001, Dept. Math., Univ. of Berlin AvH, Berlin
01/02/2001-30/04/2001, Dept. Álgebra, Universidad Complutense de Madrid, Spain
01/09/2000-30/09/2000, Dept. Álgebra, Universidad Complutense de Madrid, Spain
01/10/1998-31/10/2002, Dip. Matematica, Università Tor Vergata, Roma, Italy