Luzin, NN (English spelling) LuzinNN

Japanese: Luzin,N.N.(英語表記)LuzinNN
Luzin, NN (English spelling) LuzinNN

…The position advocated by Broel is called intuitionism, and in this position the law of the excluded middle does not generally hold. Following the discovery of analytic sets (an extension of the Borel set) by MJ Souslin (1917), N. Luzin and W. Sierpiński began to vigorously study analytic set theory, a field generally called descriptive set theory. They also clearly had the foundations of analysis in their field of vision. …

From [Mathematics Puzzle]

…Dewdney was said to be the world's greatest puzzler, and created many masterpieces of geometric puzzles like this one. One of the more unusual geometric puzzles is the problem of N. Luzin (1883-1950). This is a problem to fill a large square with smaller squares of different sizes, which Luzin himself predicted would be impossible. …

*Some of the terminology explanations that mention "Luzin, NN" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ブローエルが提唱した立場は直観主義と呼ばれ,この立場では排中律は一般には成り立たないものとされる。ススリンM.J.Souslinによる解析集合(ボレル集合の拡張)の発見(1917)を端緒として,ルージンN.N.LuzinやシェルピンスキW.Sierpińskiらが精力的に解析集合論,一般に記述集合論と呼ばれる分野の研究に着手したのもこの時代である。彼らも明確に解析学の基礎づけをその視野の中に入れていた。…

【数学パズル】より

…デュードニーは世界最大のパズリストといわれた人で,このような幾何パズルの名作をいくつも作っている。風変りな幾何パズルとしては,ルージンN.N.Luzin(1883‐1950)の問題と呼ばれるものがある。一つの大きな正方形を大きさの異なる小さな正方形で埋め尽くす問題で,当のルージンは不可能であろうと予想した。…

※「Luzin,N.N.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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