Archimedean/non-archimedean μ-entropy equality conjecture

Let (X,L)(X,L) be a polarized variety. Denote by HNAR(X,L)\mathcal{H}^{\mathbb{R}}_{\mathrm{NA}}(X,L) the space of non-archimedean metrics and by H(X,L)\mathcal{H}(X,L) the space of Kähler metrics, with μˇNAλ\bm{\check{\mu}}^\lambda_{\mathrm{NA}} and μˇλ\bm{\check{\mu}}^\lambda the corresponding non-archimedean and Archimedean μ-entropies. μ-entropy equality conjecture. For λR\lambda\in\mathbb{R}, one has

supϕHNAR(X,L)μˇNAλ(ϕ)=infωφH(X,L)μˇλ(ωφ).\sup_{\phi\in\mathcal{H}^{\mathbb{R}}_{\mathrm{NA}}(X,L)}\bm{\check{\mu}}^\lambda_{\mathrm{NA}}(\phi)=\inf_{\omega_\varphi\in\mathcal{H}(X,L)}\bm{\check{\mu}}^\lambda(\omega_\varphi).

Moreover, when λ0\lambda\leq0, μˇNAλ\bm{\check{\mu}}^\lambda_{\mathrm{NA}} should admit a maximizer in HNAR(X,L)\mathcal{H}^{\mathbb{R}}_{\mathrm{NA}}(X,L), unique modulo the action of Aut(X,L)\operatorname{Aut}(X,L). The conjecture is presented as a far-reaching generalization of equality results relating canonical metrics and non-archimedean stability; the existence and uniqueness of the maximizer remain part of the conjectural statement.

Sources & referencesView supporting material

Primary source

Eiji Inoue, “Entropies in μ-framework of canonical metrics and K-stability, I – Archimedean aspect: Perelman's W-entropy and μ-cscK metrics”, arXiv:2101.11197 (2022).

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