Concavity Property of Minimal $L^2$ Integrals with Lebesgue Measurable Gain IV: Product of Open Riemann Surfaces

Qi’an Guan; Zheng Yuan

doi:10.1007/s42543-022-00053-1

Peking Mathematical Journal ›› 2022, Vol. 7 ›› Issue (1) : 91 -154. DOI: 10.1007/s42543-022-00053-1

Original Article

Concavity Property of Minimal $L^2$ Integrals with Lebesgue Measurable Gain IV: Product of Open Riemann Surfaces

Qi’an Guan ¹^,^a
, Zheng Yuan ¹

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Abstract

In this article, we present characterizations of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of products of analytic subsets on products of open Riemann surfaces. As applications, we obtain characterizations of the holding of equality in optimal jets $L^2$ extension problem from products of analytic subsets to products of open Riemann surfaces, which implies characterizations of the product versions of the equality parts of Suita conjecture and extended Suita conjecture, and the equality holding of a conjecture of Ohsawa for products of open Riemann surfaces.

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Qi’an Guan, Zheng Yuan. Concavity Property of Minimal $L^2$ Integrals with Lebesgue Measurable Gain IV: Product of Open Riemann Surfaces. Peking Mathematical Journal, 2022, 7(1): 91-154 DOI:10.1007/s42543-022-00053-1