The shifted Lonely Runner Conjecture

Given pairwise distinct positive velocities v1,,vnRv_1,\dotsc,v_n \in \mathbb{R} and arbitrary starting points s1,,snRs_1,\dotsc,s_n \in \mathbb{R}, the distance from sj+tvjs_j+tv_j to the nearest integer should be at least 1n+1\frac{1}{n+1} simultaneously for some real number tt and every 1jn1\leq j\leq n. Shifted Lonely Runner Conjecture. There is a real number tt such that, for all 1jn1\leq j\leq n, the distance of sj+tvjs_j+tv_j to the nearest integer is at least 1n+1\frac{1}{n+1}. This is the shifted variant of the Lonely Runner Conjecture, allowing arbitrary individual starting points rather than a common starting point. The source gives no resolution status for this variant.

Sources & referencesView supporting material

Primary source

Romanos Diogenes Malikiosis and Nikos Poursalidis, “Linear independence of time-frequency translates for ultimately positive functions”, arXiv:2509.04281 (2025).

Additional references

3 papers in this index state this conjecture (2024–2025). The statement above is taken from the most recent of them; the others are arXiv:2506.13379, arXiv:2411.06903.

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