這個是 Numberphile 這個頻道今天的新影片, 介紹這題 IMO 史上著名的難題
(據影片的資料上是說, 當年這題只有 11 個滿分, 連 Terence Tao 都只拿到 1 分)
Part 1: 背景和題目
https://www.youtube.com/watch?v=Y30VF3cSIYQ
Part 2: (半)解答 (因為影片目標是一般人的關係,
所以只有解釋了[Vieta jump]在這題上的應用而不是講解完整證明)
https://www.youtube.com/watch?v=L0Vj_7Y2-xY
--
'Oh, Harry, don't you see?' Hermione breathed. 'If she could have done
one thing to make absolutely sure that every single person in this school
will read your interview, it was banning it!'
---'Harry Potter and the order of the phoenix', P513
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