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arXiv · 2506.22187

Boundary Estimates for the Monge-Ampère Equation in the Polygons with Guillemin Boundary Conditions

Masoud Bayrami-Aminlouee·Reza Seyyedali·Mohammad Talebi
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Abstract

We establish a Schauder-type boundary regularity result for a two-dimensional singular Monge--Ampère equation on convex polytopes subject to the Guillemin boundary condition. Our result extends the work of Rubin and Huang to the case where the right-hand side is merely Hölder continuous. In particular, we obtain Euclidean \(C^{1,α/2}\) regularity up to the boundary, including along edges and at the vertices of the polytope, and then refine this to the sharp Euclidean \(C^{1,α}\) regularity. The analysis combines techniques introduced by Donaldson in his study of the Abreu equation with refined blow-up and localization arguments adapted to the degenerate boundary geometry.

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Masoud Bayrami-Aminlouee, Reza Seyyedali, Mohammad Talebi. 2026-07-25. Boundary Estimates for the Monge-Ampère Equation in the Polygons with Guillemin Boundary Conditions. https://arxiv.org/abs/2506.22187

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