Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
The question was beautifully solved affirmatively by Nikola Djokic. His paper an upper bound on the sum of signs of permutations with a condition on their prefix sets is now posted on the arxive.
The question was beautifully solved affirmatively by Nikola Djokic His paper an upper bound on the sum of signs of permutations with a condition on their prefix sets is now posted on the arxive.