@inbook{9cd3eb18a5f64cdda94cbd477f9ac68c,

title = "An elementary fact about unlinked braid closures",

abstract = "Let n∈ Z+. We provide two short proofs of the following classical fact, one using Khovanov homology and one using Heegaard–Floer homology: if the closure of an n-strand braid σ is the n-component unlink, then σ is the trivial braid.",

keywords = "Braids, Heegaard–floer homology, Khovanov homology",

author = "Grigsby, {J. Elisenda} and Wehrli, {Stephan M.}",

note = "Funding Information: J. Elisenda Grigsby—Partially supported by NSF grant DMS-0905848 and NSF CAREER award DMS-1151671. Stephan M. Wehrli—Partially supported by NSF grant DMS-1111680.",

year = "2016",

doi = "10.1007/978-3-319-34139-2_2",

language = "English (US)",

series = "Association for Women in Mathematics Series",

publisher = "Springer",

pages = "93--101",

booktitle = "Association for Women in Mathematics Series",

}