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Journal of Fixed Point Theory and Applications

, Volume 19, Issue 2, pp 1365–1425 | Cite as

Morse–Floer theory for superquadratic Dirac equations, II: construction and computation of Morse–Floer homology

  • Takeshi IsobeEmail author
Article

Abstract

We give a construction and computation of Morse–Floer homology for a class of superquadratic Dirac functionals defined on the set of spinors on a compact spin manifold. For the superquadratic functionals, we show that the Morse–Floer homology is well defined for generic choice of metric on the set of spinors and its isomorphism class is independent of the choice of such a generic metric. Moreover, we show that it is also independent of the choice of superquadratic Dirac functional. Therefore, it defines an invariant for the set of spinors which we call the superquadratic-Dirac–Morse–Floer homology. We prove a vanishing result for this homology. As an application, we give existence and multiplicity results for a class of superquadratic Dirac equations on compact spin manifolds.

Keywords

Superquadratic Dirac equations Morse–Floer homology 

Mathematics Subject Classification

35Q41 37B30 57R58 58E05 

Notes

Acknowledgements

The author wishes to express his sincere gratitude to Dr. A. Maalaoui for interesting discussions related to this paper. The author also would like to express his appreciation to anonymous referee for his/her careful reading of the manuscript and helpful suggestions. This work was supported by JSPS KAKENHI Grant Numbers 22540222, 15K04947.

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Copyright information

© Springer International Publishing 2016

Authors and Affiliations

  1. 1.Department of Mathematics, Graduate School of Science and EngineeringTokyo Institute of TechnologyTokyoJapan

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