Abstract
In this article we consider a variant of Rabinowitz Floer homology in order to define a homological count of discriminant points for paths of contactomorphisms. The growth rate of this count can be seen as an analogue of Givental’s nonlinear Maslov index. As an application we prove a Bott–Samelson type obstruction theorem for positive loops of contactomorphisms.
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The online version of the original article can be found under doi:10.1007/s00039-012-0187-2.
Due to an unfortunate error during the processing of the article by the publisher, the spelling of the second author’s name was incorrect. The name should read Urs Frauenfelder.
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Albers, P., Frauenfelder, U. Erratum to: A Variational Approach to Givental’s Nonlinear Maslov Index. Geom. Funct. Anal. 23, 482–499 (2013). https://doi.org/10.1007/s00039-013-0209-8
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DOI: https://doi.org/10.1007/s00039-013-0209-8