All Questions
Tagged with unit-fractions permutations
1 question with no upvoted or accepted answers
-1
votes
1
answer
395
views
Odd & even permutations and unit fractions
One more motivated by recent questions of Zhi-Wei Sun.
Let $S_n$ be the group of permutations of $\{1,2,\ldots, n\}$.
Is it true that, for every $n \ge 8$, there is at least one even permutation $\...
- 4,589