diploma Eine Präsentation der polynomialen Poisson Algebra auf der 2-Sphäre Klaus Niederkrüger diplom.pdf (A presentation of Poisson algebra on the 2-sphere), diploma thesis, Aachen 1999 1999 none.jpg My diploma thesis consisted in giving a (finite) set of generators for the Poisson algebra on the sphere, and a set of necessary relations (similarly to a finitely presented group).