The specialization conjecture for symmetry-breaking link homology

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Let LL be a link, let E2∗,∗(L,θ‾)E^{\ast,\ast}_2(L,\overline{\theta}) denote the E2E_2-page associated to the specialized twist θ‾\overline{\theta}, and let ℘(x)=xn\wp(x)=x^n be the algebraic specialization. The groups Eq∗,∗(L,θ‾)E^{\ast,\ast}_q(L,\overline{\theta}) denote the pages of the resulting spectral sequence.

Specialization conjecture. Under the algebraic specialization ℘(x)=xn\wp(x)=x^n, the groups

E2∗,∗(L,θ‾)E^{\ast,\ast}_2(L,\overline{\theta})

are isomorphic to sl(n)sl(n)-link homology. This specialization has a topological lift, meaning that it can be lifted to a map of filtered spectra. Consequently, there is a spectral sequence

Eq∗,∗(L,θ‾),q≥2.E^{\ast,\ast}_q(L,\overline{\theta}),\qquad q\geq 2.

The conjecture is motivated by computations for the Hopf link and the (2,3)(2,3)-torus knot. The proposed topological lift is intended to provide a route toward resolving the conjecture.

References

Primary source

Nitu Kitchloo, “Symmetry Breaking and Link Homologies II”, arXiv:1910.07444 (2023).

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