We prove a sharp quantitative version of the p-Sobolev inequality for any 1<p<n, with a control on the strongest possible distance from the class of optimal functions. Surprisingly, the sharp exponent is constant for p≤2, while it depends on p for p>2.
Publication:
Duke Mathematical Journal, 2022, Volume 171, Issue 12, pp: 2407-2459.
Author:
Alessio Figalli
ETH Zu ?rich, Department of Mathematics, Ra ?mistrasse 101, 8092, Zu ?rich, Switzerland
Yi Ru-Ya Zhang
ETH Zu ?rich, Department of Mathematics, Ra ?mistrasse 101, 8092, Zu ?rich, Switzerland
Academy of Mathematics and Systems Science, The Chinese Academy of Sciences, Beijing 100190, China
Email: yzhang@amss.ac.cn
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