The universal rho-degeneracy conjecture for knots

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Let KK be a knot in S3S^{3}. A knot is ρ\rho-degenerate when its reduced spectral sequence converges at E‾1\underline{E}_{1} and the induced filtration ρ‾\underline{\rho} is constant on each nontrivial factor HF^(Σ(K),s)\widehat{HF}(\Sigma(K),\mathfrak{s}). Universal ρ\rho-degeneracy conjecture. Every knot K⊂S3K\subset S^{3} is ρ\rho-degenerate.

The conjecture would extend the established ρ\rho-degeneracy result for two-bridge knots to all knots. Equivalently, by the preceding observation, it predicts convergence at E‾1\underline{E}_{1} together with constancy of the induced filtration on each nontrivial Heegaard Floer homology factor.

References

Primary source

Eamonn Tweedy, “The anti-diagonal filtration: reduced theory and applications”, arXiv:1109.3425 (2015).

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