Oscillation conjecture for Berezin-transform eigenvalues at fixed weight deficit

Let jj be a positive parameter, let dNd\in\mathbb{N}, and set m=jdm=j-d. Let λ(0),λ(1),,λ(2j)\lambda^{(0)},\lambda^{(1)},\ldots,\lambda^{(2j)} be the eigenvalues of the Berezin transform Bj,jd\mathcal{B}_{j,j-d}. Oscillation conjecture. For every dNd\in\mathbb{N} there exists j0j_0 such that for all jj0j\geq j_0, the sequence

λ(0),λ(1),λ(2),,λ(2j)\lambda^{(0)},\lambda^{(1)},\lambda^{(2)},\ldots,\lambda^{(2j)}

has dd local minima and dd local maxima. This predicts a precise eventual oscillation pattern in the spectrum for each fixed weight deficit, based on the numerical plots described in the source. Its status is not resolved in the supplied source.

Sources & referencesView supporting material

Primary source

Dor Shmoish, “The Spectrum of the Berezin transform for Gelfand pairs”, arXiv:2106.07498 (2021).

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