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The Sharp Spectral Transition for Almost Mathieu Operators via Alternating Resonances

Year: 2026
Type: preprint
Abstract: We prove that for any given frequency resonance exponent and phase resonance exponent, there exist a frequency and a phase exactly realizing these values such that the Almost Mathieu operator exhibits Anderson localization for $\ln|λ|>\max\{β(α),δ(α,θ)\}$. This resolves the conjecture in \cite{MR4686650}.
Authors: He, Jiawei, Wang, Xueyin
Open Access status: green
OpenAlex ID: W7204572211
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