LpL^p smallness conjecture for three-dimensional Dirac operators

From papers

Let n=3n=3, let VV be a potential, and let d4a00,Vd4a0_{0,V} and d4a0m,Vd4a0_{m,V} denote the massless and massive Dirac operators with potential VV, respectively. Let spectral stability mean that the conclusions denoted by the source as the spectral relations for d4a00,Vd4a0_{0,V} and d4a0m,Vd4a0_{m,V} hold.

LpL^p smallness conjecture. There exists a positive constant d4cd4c independent of VV such that

VL3<d4c\|V\|_{L^3}<d4c

implies spectral stability for d4a00,Vd4a0_{0,V}, while

VL3+VL3/2<d4c\|V\|_{L^3}+\|V\|_{L^{3/2}}<d4c

implies spectral stability for d4a0m,Vd4a0_{m,V}.

This is a concrete proposed integral replacement for the pointwise assumptions in the Dirac spectral-stability theorem. The source gives no resolution, so the claim remains open.

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Sources & referencesView supporting material

Primary source

Piero D'Ancona, Luca Fanelli, David Krejcirik and Nico Michele Schiavone, “Localization of eigenvalues for non-self-adjoint Dirac and Klein-Gordon operators”, arXiv:2104.13647 (2021).

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