ngs", at Workshop on Supersymmetric Quantum Me- chanics and Spectral Design, Benasque, Spain, 3-15 Jul 2010. • Invited talk "Anyons and Strings", at International Conference Quantum Field Theory and Gravity, Tomsk, Russia, 5-9 Jul 2010. • Invited Short Term Visitor, DAMTP-University of Cambridge, Cambridge, UK, Mar 16 - Apr 25, 2010. • In