James Harpur PhD candidate / self funded Name Mr. J.H. Harpur MSc Telephone +31 71 527 2727 E-mail j.h.harpur@math.leidenuniv.nl PhD candidate / self funded Science Mathematisch Instituut Mathematisch Instituut Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Contact +31 71 527 2727 j.h.harpur@math.leidenuniv.nl No relevant ancillary activities