# A sharp square function estimate for the cone in ℝ3

@article{Guth2019ASS, title={A sharp square function estimate for the cone in ℝ3}, author={Larry Guth and Houjie Wang and Ruixiang Zhang}, journal={arXiv: Classical Analysis and ODEs}, year={2019} }

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.

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