Abstract
We prove a sharp square function estimate for the cone in $\mathbb{R}^3$ and consequently the local smoothing conjecture for the wave equation in $2+1$ dimensions.
Citation
Larry Guth. Hong Wang. Ruixiang Zhang. "A sharp square function estimate for the cone in $\mathbb{R}^3$." Ann. of Math. (2) 192 (2) 551 - 581, September 2020. https://doi.org/10.4007/annals.2020.192.2.6
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