June 18-23, 2017, The Householder symposium XX on numerical linear algebra Membership in scientific committee. January 19-23, 2015, SNA 2015 - Seminar on Numerical Analysis and Winter School, 2015, Ostrava, Czech Republic Membership in scientific committee. May 25-28, 2015, HPCSE 2015 High performance computing in science and engineering, 2015, hotel Solan, Czech Republic Membership in scientific committee.
coming 
2014 
June 18-23, 2017,