The p-adic valuation conjecture for differences of m-colored p-ary partition functions

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Let dm(n)d_m(n) denote the mm-colored pp-ary partition function, let p∈P≥3p\in\mathbb{P}_{\geq3}, and let νp\nu_p denote the pp-adic valuation. Write m=pk+im=pk+i with k∈Nk\in\mathbb{N} and i∈{0,…,p−1}i\in\{0,\ldots,p-1\}. p-adic valuation conjecture. Then

νp(dm(p2n)−dm(n))=νp(n)+2νp(m)+3−[p=3].\nu_p(d_m(p^2n)-d_m(n))=\nu_p(n)+2\nu_p(m)+3-[p=3].

If i=p−1i=p-1, then

νp(dpk+p−1(p2n)−dpk+p−1(n))≥νp(n)+4−[p=3].\nu_p(d_{pk+p-1}(p^2n)-d_{pk+p-1}(n))\geq\nu_p(n)+4-[p=3].

For infinitely many values of nn, this inequality is an equality. The conjecture predicts a sharper valuation than the congruences obtained from the preceding theorem, but no proof or resolution is supplied here.

References

Primary source

Maciej Ulas and Błażej Żmija, “On p-adic valuations of certain m colored p-ary partition functions”, arXiv:1904.03398 (2019).

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