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Equivariant wrapped Floer homology and symmetric periodic Reeb orbits

Published online by Cambridge University Press:  04 February 2021

JOONTAE KIM*
Affiliation:
School of Mathematics, Korea Institute for Advanced Study, 85 Hoegiro, Dongdaemun-gu, Seoul02455, Republic of Korea (e-mail: [email protected])
SEONGCHAN KIM
Affiliation:
Institut de Mathématiques, Université de Neuchâtel, Rue Emile-Argand 11, 2000Neuchâtel, Switzerland (e-mail: [email protected])
MYEONGGI KWON
Affiliation:
Center for Geometry and Physics, Institute for Basic Science (IBS), Pohang37673, Korea (e-mail: [email protected])

Abstract

The aim of this article is to apply a Floer theory to study symmetric periodic Reeb orbits. We define positive equivariant wrapped Floer homology using a (anti-)symplectic involution on a Liouville domain and investigate its algebraic properties. By a careful analysis of index iterations, we obtain a non-trivial lower bound on the minimal number of geometrically distinct symmetric periodic Reeb orbits on a certain class of real contact manifolds. This includes non-degenerate real dynamically convex star-shaped hypersurfaces in ${\mathbb {R}}^{2n}$ which are invariant under complex conjugation. As a result, we give a partial answer to the Seifert conjecture on brake orbits in the contact setting.

Type
Original Article
Copyright
© The Author(s), 2021. Published by Cambridge University Press

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