Near diagonal additive energy bound for points on algebraic surfaces
arXiv.org
Near diagonal additive energy bound for points on algebraic surfaces
Let $F:\mathbb{R}^3\to\mathbb{R}$ be a polynomial that is irreducible over $\mathbb{R}$ with $\text{deg}(F)\geq2$. We prove that, for any finite $X\subset Z(F)$ that does not concentrate on affine lines, \[ E(X)=\#\{(a,b,c,d)\in X^4: a+b=c+d\}\ll_{\text{deg}(F),\,ε}(\# X)^{2+ε}. \]
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