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Resumen de The Ozsváth-Szabó and Rasmussen concordance invariants are not equal

Matthew Hedden, Philip Ording

  • In this paper we present several counterexamples to Rasmussen's conjecture that the concordance invariant coming from Khovanov homology is equal to twice the invariant coming from Ozsváth-Szabó Floer homology. The counterexamples are twisted Whitehead doubles of $(2, 2n+1)$ torus knots.


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