2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/29164In two space dimensions the possibilities of fractional spin as well as fractional statistics exist. I examine the relation between fractional spin and statistics for Laughlin quasi-particles in a two-dimensional electron system with spherical geometry. The relevance of this for quasi-particles in a planar system is discussed.14 pagesCondensed Mattertext