George Politopoulos PhD candidate/ Guest Name G. Politopoulos MSc Telephone +31 71 527 2727 E-mail g.politopoulos@math.leidenuniv.nl PhD candidate/ Guest Science Mathematisch Instituut Mathematisch Instituut Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number BW1.19 Contact +31 71 527 2727 g.politopoulos@math.leidenuniv.nl No relevant ancillary activities