Global H\"older estimates for 2D linearized Monge-Amp\`ere equations with right-hand side in divergence form

Nam Q. Le

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arXiv · 1902.08113

Global H\"older estimates for 2D linearized Monge-Amp\`ere equations with right-hand side in divergence form

Nam Q. Le

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Abstract

We establish global H\"older estimates for solutions to inhomogeneous linearized Monge-Amp\`ere equations in two dimensions with the right hand side being the divergence of a bounded vector field. These equations arise in the semi-geostrophic equations in meteorology and in the approximation of convex functionals subject to a convexity constraint using fourth order Abreu type equations. Our estimates hold under natural assumptions on the domain, boundary data and Monge-Amp\`ere measure being bounded away from zero and infinity. They are an affine invariant and degenerate version of global H\"older estimates by Murthy-Stampacchia and Trudinger for second order elliptic equations in divergence form.

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Nam Q. Le. 2019-02-21. Global H\"older estimates for 2D linearized Monge-Amp\`ere equations with right-hand side in divergence form. https://arxiv.org/abs/1902.08113

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