Timeline for A conjecture on covers of $\mathbb Z$ by residue classes

8 events

when toggle format	what		by	license	comment
Dec 20, 2020 at 9:11	history	edited	katago	CC BY-SA 4.0	deleted 7 characters in body
Dec 20, 2020 at 9:07	comment	added	katago		Zhi-Wei Sun: thanks, I will check this.
Dec 20, 2020 at 9:03	history	edited	katago	CC BY-SA 4.0	deleted 7 characters in body
Dec 20, 2020 at 8:01	comment	added	Zhi-Wei Sun		For any exact $m$-cover $A=\{a_s+n_s\mathbb Z\}_{s=1}^k$, I proved in a 1992 paper [Israel J. Math.] that for each $n=1,\ldots,m$ we have $\sum_{s\in I}\frac1{n_s}=n$ for some $I\subseteq\{1,\ldots,k\}$.
Dec 20, 2020 at 4:55	history	edited	katago	CC BY-SA 4.0	added 260 characters in body
Dec 20, 2020 at 4:50	history	edited	katago	CC BY-SA 4.0	added 260 characters in body
Dec 20, 2020 at 4:43	history	edited	katago	CC BY-SA 4.0	added 260 characters in body
Dec 20, 2020 at 4:35	history	answered	katago	CC BY-SA 4.0