The weighted counting-function conjecture for square and hexagonal lattices

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Let b1b_1 and b3b_3 be the characteristic functions of the integers represented by X2+Y2X^2+Y^2 and X2+3Y2X^2+3Y^2, respectively. Define

λf(x)=∑n≤xf(n)log⁡n.\lambda_f(x)=\sum_{n\leq x}f(n)\log n.

Weighted counting-function conjecture. For x≥8x\geq 8, one has

λb1(x)≥λb3(x).\lambda_{b_1}(x)\geq\lambda_{b_3}(x).

The paper presents this as a related conjecture after proving the unweighted inequality, but the supplied text gives no resolution of it.

References

Primary source

Pieter Moree and Herman J. J. te Riele, “The hexagonal versus the square lattice”, arXiv:math/0204332 (2002).

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