Twisted Harnack inequality and approximation of variational problems with a convexity constraint by singular Abreu equations
Twisted Harnack inequality and approximation of variational problems with a convexity constraint by singular Abreu equations
复制标题
扭曲 Harnack 不等式和奇异 Abreu 方程凸性约束变分问题的近似
DOI:
10.1016/j.aim.2023.109325
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发表时间:
2023
影响因子:
1.7
通讯作者:
Le, Nam Q.
中科院分区:
文献类型:
--
作者:
Le, Nam Q.
We show in all dimensions that minimizers of variational problems with a convexity constraint, which arise from the Rochet–Choné model with a quadratic cost in the monopolist's problem in economics, can be approximated in the uniform norm by solutions of singular Abreu equations. The difficulty of our Abreu equations consists of having singularities that occur only in a proper subdomain and they cannot be completely removed by any transformations. To solve them, we rely on a new tool which we establish here: a Harnack inequality for singular linearized Monge–Ampère type equations that satisfy certain twisted conditions.
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影响因子:
2.1
作者:
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通讯作者:
J. Mirebeau
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
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DOI:
10.1007/s00526-019-1613-1
发表时间:
2019
影响因子:
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