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The Discrete Spherical Maximal Function: A new proof of $\ell^2$-boundedness. (arXiv:2301.11352v1 [math.CA]) http://arxiv.org/abs/2301.11352
The Discrete Spherical Maximal Function: A new proof of $\ell^2$-boundedness. (arXiv:2301.11352v1 [math.CA]) http://arxiv.org/abs/2301.11352