Sublinear multiplicity bound for the one-half eigenvalue of the drifted Jacobi operator

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Let Σ2⊂RN\Sigma^2\subset \mathbb{R}^N be a two-dimensional self-shrinker, let L\mathcal{L} denote its drifted Jacobi operator, and let λ(Σ)\lambda(\Sigma) be its entropy. Fix γ\gamma as in the surrounding hypotheses. The multiplicity of the eigenvalue 12\frac{1}{2} of L\mathcal{L} is conjectured to satisfy

Sublinear multiplicity conjecture. There exist α<1\alpha<1 and a constant Cα=Cα(α,γ)C_{\alpha}=C_{\alpha}(\alpha,\gamma) such that

mult⁡L(12)≤Cα λα(Σ).\operatorname{mult}_{\mathcal{L}}\left(\frac{1}{2}\right)\leq C_{\alpha}\,\lambda^{\alpha}(\Sigma).

Such a bound would, via the cited result, yield the paper's entropy theorem without the assumption N≥C λ(Σ)N\geq C\,\lambda(\Sigma).

References

Primary source

Tobias Holck Colding and William P. Minicozzi, “Entropy and codimension bounds for generic singularities”, arXiv:1906.07609 (2019).

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