112 citations · 483 across the 59 of their papers we have counts for
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math.SG2012★ 20 cited
Open books and the Weinstein conjecture
Max Dörner, Hansjörg Geiges, Kai Zehmisch
We show the existence of a contractible periodic Reeb orbit for any contact structure supported by an open book whose binding can be realised as a hypersurface of restricted contac…
math.SG2012
The fundamental group of the space of contact structures on the 3-torus
Hansjörg Geiges, Mirko Klukas
We show that the fundamental group of the space of contact structures on the 3-torus (based at the standard contact structure) is isomorphic to the integers.