Hacker News Reader

Yes, this is an incorrect statement, sorry. It sneaked there after edits by proofreading service, but that is no excuse for us. Should be just NP. (I'm one of the authors of the paper)

View on HN

Please don't apologize, this is an excellent paper! In retrospect I feel a little bad for nitpicking, honestly -- it's a really fascinating read :)

Reply on news.ycombinator.com