Persistent homology and Floer-Novikov theory

Abstract

We construct "barcodes" for the chain complexes over Novikov rings that arise in Novikov's Morse theory for closed one-forms and in Floer theory on not-necessarily-monotone symplectic manifolds. In the case of classical Morse theory these coincide with the barcodes familiar from persistent homology. Our barcodes completely characterize the filtered chain homotopy type of the chain complex; in particular they subsume in a natural way previous filtered Floer-theoretic invariants such as boundary depth and torsion exponents, and also reflect information about spectral invariants. We moreover prove a continuity result which is a natural analogue both of the classical bottleneck stability theorem in persistent homology and of standard continuity results for spectral invariants, and we use this to prove a C^0-robustness result for the fixed points of Hamiltonian diffeomorphisms. Our approach, which is rather different from the standard methods of persistent homology, is based on a non-Archimedean singular value decomposition for the boundary operator of the chain complex.

71 pages. v2: several typos have been fixed. v3: the start of the proof of the stability theorem has been simplified, Appendix A has been moved to the body of the paper, and some clarifying remarks have been added

References in corpus (2)

• Construction of spectral invariants of Hamiltonian paths on closed symplectic manifolds
• The Arnold-Givental conjecture and moment Floer homology

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