112 citations · 483 across the 59 of their papers we have counts for
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math.SG2013★ 16 cited
Trapped Reeb orbits do not imply periodic ones
Hansjörg Geiges, Nena Röttgen, Kai Zehmisch
We construct a contact form on R^{2n+1}, n at least 2, equal to the standard contact form outside a compact set and defining the standard contact structure on all of R^{2n+1}, whic…
math.SG2013
Legendrian rational unknots in lens spaces
Hansjörg Geiges, Sinem Onaran
We classify Legendrian rational unknots with tight complements in the lens spaces L(p,1) up to coarse equivalence. As an example of the general case, this classification is also wo…