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2875 is the number of lines contained in a generic quintic threefold. Mathematician Robbert Dijkgraaf said "One number which every algebraic geometer knows is the number 2,875 because obviously, that is the number of lines on a quintic."〔 see 29 minutes 57 seconds〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「2875 (number)」の詳細全文を読む スポンサード リンク
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