Links Not Concordant to the Hopf Link
Stefan Friedl, Mark Powell
TL;DR
This paper introduces new Casson-Gordon style obstructions that determine whether a two-component link can be topologically concordant to the Hopf link, advancing the understanding of link concordance.
Contribution
It provides novel obstructions based on Casson-Gordon theory for assessing topological concordance to the Hopf link.
Findings
New obstructions for link concordance
Enhanced criteria for topological equivalence to the Hopf link
Theoretical framework for link concordance analysis
Abstract
We give new Casson-Gordon style obstructions for a two-component link to be topologically concordant to the Hopf link.
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