Dasgupta–Kárólyi–Serra–Szegedy conjecture for distinct products in finite abelian groups

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Let GG be a finite abelian group with ∣G∣>1|G|>1, and let pp be the smallest prime divisor of ∣G∣|G|. Let k<pk<p, let a1,…,ak∈Ga_1,\ldots,a_k\in G be pairwise distinct, and let b1,…,bk∈Gb_1,\ldots,b_k\in G. Dasgupta–Kárólyi–Serra–Szegedy conjecture. There is a permutation σ∈Sk\sigma\in S_k such that

a1bσ(1),…,akbσ(k)a_1b_{\sigma(1)},\ldots,a_kb_{\sigma(k)}

are pairwise distinct. This extends the corresponding theorem for cyclic groups of prime-power order and elementary abelian groups. The conjecture is presented as a proposed extension of those results; the supplied text gives no resolution status.

References

Primary source

Zhi-Wei Sun and Lilu Zhao, “Exterior Algebra and an Extension of the Feng-Sun-Xiang Theorem in p-groups”, arXiv:2606.30506 (2026).

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