Link concordance, boundary link concordance and eta invariants

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dc.creatorFriedl, Stefan
dc.date2003-06-09
dc.date.accessioned2026-07-07T04:58:42Z
dc.date.available2026-07-07T04:58:42Z
dc.descriptionWe study the eta-invariants of links and show that in many cases they form link concordance invariants, in particular that many eta-invariants vanish for slice links. This result contains and generalizes previous invariants by Smolinsky and Cha--Ko. We give a formula for the eta-invariant for boundary links. In several intersting cases this allows us to show that a given link is not slice. We show that even more eta-invariants have to vanish for boundary slice links. We give an example of a boundary link $L$ that is not boundary slice but where all the known link concordance invariants computed so far are zero.
dc.description25 pages
dc.identifierhttps://arxiv.org/abs/math/0306149
dc.identifierhttp://arxiv.org/abs/math/0306149
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/67744
dc.subjectGeometric Topology
dc.subject57M25, 57Q45
dc.titleLink concordance, boundary link concordance and eta invariants
dc.typetext

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