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arXiv · 2211.02277

Discretized sum-product type problems: Energy variants and Applications

Quy Pham·Thang Pham·Chun-Yen Shen
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Abstract

In this paper, we provide estimates for the additive discretized energy of \[\sum_{c\in C} |\{(a_1, a_2, b_1, b_2)\in A^2\times B^2: |(a_1 +cb_1) - (a_2 + cb_2)|\le \delta\}|_{\delta},\] that depend on non-concentration conditions of the sets. Our proof follows the Guth-Katz-Zahl approach (2021) with appropriate changes along the way clarifying and optimizing many of the steps. Several applications will also be discussed.

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Quy Pham, Thang Pham, Chun-Yen Shen. 2022-11-04. Discretized sum-product type problems: Energy variants and Applications. https://arxiv.org/abs/2211.02277

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