Euclidean Forward–Reverse Brascamp–Lieb Inequalities: Finiteness, Structure, and Extremals
Euclidean Forward–Reverse Brascamp–Lieb Inequalities: Finiteness, Structure, and Extremals
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欧几里得正向-逆向布拉斯坎普-利布不等式:有限性、结构和极值
DOI:
10.1007/s12220-020-00398-y
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Liu, Jingbo
中科院分区:
文献类型:
--
作者:
Courtade, Thomas A.;Liu, Jingbo
A new proof is given for the fact that centered Gaussian functions saturate the Euclidean forward–reverse Brascamp–Lieb inequalities, extending the Brascamp–Lieb and Barthe theorems. A duality principle for best constants is also developed, which generalizes the fact that the best constants in the Brascamp–Lieb and Barthe inequalities are equal. Finally, as the title hints, the main results concerning finiteness, structure, and Gaussian-extremizability for the Brascamp–Lieb inequality due to Bennett, Carbery, Christ, and Tao are generalized to the setting of the forward–reverse Brascamp–Lieb inequality.
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