contact_branched_cover Brieskorn manifolds as contact branched covers of spheres Klaus Niederkrüger Ferit Öztürk http://dx.doi.org/10.1007/s-10998-007-1085-3 Period. Math. Hungar. 54 (2007) 85-97. 2007 per_hungarica.jpg
We show that Brieskorn manifolds with their standard contact structures are contact branched coverings of spheres. This covering maps a contact open book decomposition of the Brieskorn manifold onto a Milnor open book of the sphere.