Vera Arntzen PhD candidate Name V.H. Arntzen Telephone +31 71 527 2727 E-mail v.h.arntzen@math.leidenuniv.nl ORCID iD 0000-0002-2642-9898 PhD candidate Science Mathematisch Instituut Mathematisch Instituut Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number BW1.29 Contact +31 71 527 2727 v.h.arntzen@math.leidenuniv.nl Publications No relevant ancillary activities