Back to search
2408.15962

HÖLDER CONTINUITY OF THE INTEGRATED DENSITY OF STATES FOR LIOUVILLE FREQUENCIES

Rui Han, Wilhelm Schlag

correctmedium confidence
Category
Not specified
Journal tier
Strong Field
Processed
Sep 28, 2025, 12:56 AM

Audit review

The paper proves Hölder continuity of the IDS at energies satisfying L(ω,E) > 4 κ(ω,E) β(ω) via a new effective LDT built from a Riesz–mass/annulus Green’s function analysis and Avila’s acceleration, then uses a resolvent block argument to convert this LDT into a Hölder bound. The candidate solution reaches the same conclusion using a different outline: it posits an LDT along complex phase lines and a three-lines transfer back to the real axis, plus the same resolvent-block scheme. While the model misattributes part of Han–Schlag’s method (their LDT is on the real phase and obtained by Fejér smoothing and Fourier/Riesz control, not by a two-lines lemma), the claimed implication and final result match the paper. Hence both are correct, but the approaches are materially different.

Referee report (LaTeX)

\textbf{Recommendation:} minor revisions

\textbf{Journal Tier:} strong field

\textbf{Justification:}

The manuscript proves a clean, effective threshold L > 4 κ β for Hölder continuity of the IDS in the Liouville setting, using an effective LDT rooted in acceleration and a standard resolvent-block argument. The approach is correct and compelling; minor clarifications would improve accessibility, especially around how the Riesz/annulus analysis feeds into the LDT and how the δ-dependent constants propagate in Section 3.