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arXiv 2407.08360math.COmath.NT
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广义毕达哥拉斯对的划分正则性

Partition regularity of generalized Pythagorean pairs

University of Crete(克里特大学);University of Bristol(布里斯托大学);University of Warwick(华威大学)

Nikos Frantzikinakis, Oleksiy Klurman, Joel Moreira

AI总结:

研究齐次二次方程划分正则性,在系数自然条件下,对正整数有限染色,存在\(ax^2 + by^2 = cz^2\)解使\(x,y\)等颜色相同,部分结果依赖猜想,证明基于扩展先前论证,利用乘法函数性质。

摘要:

我们研究齐次二次方程的划分正则性问题。主要结果表明,在系数\(a,b,c\)的自然条件下,对正整数的任何有限染色,存在\(ax^2 + by^2 = cz^2\)的解,其中\(x\)和\(y\)颜色相同(\(x,z\)和\(y,z\)情况类似)。对于某些\((a,b,c)\)选择,结果依赖于一个埃利奥特型猜想。证明基于并扩展了作者之前处理毕达哥拉斯方程的论证,利用了非周期乘法函数的新均匀性性质和沿任意二元二次型的乘法函数集中估计。

英文摘要:

We address partition regularity problems for homogeneous quadratic equations. A consequence of our main results is that, under natural conditions on the coefficients $a,b,c$, for any finite coloring of the positive integers, there exists a solution to $ax^2+by^2=cz^2$ where $x$ and $y$ have the same color (and similar results for $x,z$ and $y,z$). For certain choices of $(a,b,c)$, our result is conditional on an Elliott-type conjecture. Our proofs build on and extend previous arguments of the authors dealing with the Pythagorean equation. We make use of new uniformity properties of aperiodic multiplicative functions and concentration estimates for multiplicative functions along arbitrary binary quadratic forms.

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