Polynomial splittings of Casson-Gordon invariants
classification
🧮 math.GT
keywords
casson-gordoninvariantsknotknotsalexanderalgebraicallyapplicationconcordance
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In this paper we prove that the Casson-Gordon invariants of the connected sum of two knots split when the Alexander polynomials of the knots are coprime. As one application, for any knot K, all but finitely many algebraically slice twisted doubles of K are linearly independent in the knot concordance group.
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