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Small cap decoupling for the moment curve in $\mathbb{R}^3$

Larry Guth and Dominique Maldague

Vol. 17 (2024), No. 10, 3551–3588
Abstract

We prove sharp small cap decoupling estimates for the moment curve in 3 . Our formulation of the small caps is motivated by a conjecture of Demeter, Guth, and Wang about Lp estimates for exponential sums.

Keywords
exponential sum estimates, decoupling inequalities, moment curve
Mathematical Subject Classification
Primary: 42B10
Secondary: 11L07, 53A04
Milestones
Received: 19 July 2022
Revised: 21 April 2023
Accepted: 18 July 2023
Published: 21 November 2024
Authors
Larry Guth
Department of Mathematics
Massachusetts Institute of Technology
Cambridge, MA
United States
Dominique Maldague
Department of Mathematics
Massachusetts Institute of Technology
Cambridge, MA
United States

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