Torstein Ulsnaes PhD candidate Name Mr. T. Ulsnaes Telephone +31 71 527 2727 E-mail t.ulsnaes@math.leidenuniv.nl PhD candidate Science Mathematisch Instituut Mathematisch Instituut Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number BW1.20 Contact +31 71 527 2727 t.ulsnaes@math.leidenuniv.nl No relevant ancillary activities