He was an algebraist active in Cairo from around 830 to 930, known as the "Egyptian Calculator." His surviving algebraic books continue the work of Khwarizmi, but also include more advanced problems and touch upon the application of algebra to geometry. These were used extensively by later algebraists, and include research on linear and quadratic indeterminate equations. Some of his works have been translated into Hebrew and Latin, and influenced the 13th century Fibonacci (Leonardo of Pisa). [Miura Nobuo] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
830ころ‐930ころ 〈エジプトの計算家〉と呼ばれ,カイロで活躍した代数学者。彼が著した現存の代数学書は,フワーリズミーの研究を受けつぎながらも,より高度な問題を含み,さらに代数の幾何への応用にも言及している。それらはのちの代数学者に大いに利用された。また一次,二次不定方程式の研究も付されている。著作の一部はヘブライ語,ラテン語に訳され,13世紀フィボナッチ(ピサのレオナルド)にも影響を与えた。【三浦 伸夫】 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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