Published January 20, 2023 | Version Published
Journal Article Open

The next-to-top term in knot Floer homology

Creators

  • 1. ROR icon California Institute of Technology

Abstract

Let K be a null-homologous knot in a generalized L-space Z with b₁(Z) ≤ 1. Let F be a Seifert surface of K with genus g. We show that if HFK(Z,K,[F],g) is supported in a single ℤ/2ℤ-grading, then rank HFK(Z,K,[F],g-1) ≥ rank HFK(Z,K,[F],g).

Additional Information

This article is published open access under our Subscribe to Open model. CC-BY-4.0 The author is indebted to Robert Lipshitz for many fruitful discussions and critical comments which shaped this work. The author also wishes to thank an anonymous referee for suggestions which improved this paper. The author was partially supported by NSF grant number DMS-1811900.

Attached Files

Published - 9127416-10.4171-qt-174-print.pdf

Files

9127416-10.4171-qt-174-print.pdf

Files (164.2 kB)

Name Size
md5:b502c71f81d72404d5b4159dd264fbb8
164.2 kB Preview Download

Additional details

Identifiers

Eprint ID
119359
Resolver ID
CaltechAUTHORS:20230221-18374200.9

Related works

Describes
10.4171/QT/174 (DOI)

Funding

NSF
DMS-1811900

Dates

Created
2023-04-13
Created from EPrint's datestamp field
Updated
2023-04-13
Created from EPrint's last_modified field

Caltech Custom Metadata

Caltech groups
Mathematics Department