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Abū al-Jūd Muḥammad b. Aḥmad b. al-Layth was an Iranian mathematician. He lived during 10th century and was a contemporary of Al-Biruni. Not much is known about his life. He seems to have lived in the east of Khurasan, within Samanid territory. Sa'id al-Andalusi claimed that he lived in Valencia (Balansiya) and died in 1014 or 1015, but other sources didn't mention these information. It is likely that he became a scribe after acquiring basic knowledge on mathematics.

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  • ابن الليث (ar)
  • Abu al-Jud (en)
  • Abu al-Jud (pt)
  • Ибн Лайс (ru)
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  • محمد بن أحمد بن محمد الليث كان متحققاً بعلم العدد والهندسة والهيئة، بصيراً بغيرها، ذا مروءة كاملة ونفس طيبة. توفي سنة 455 ببلد من أعمال بلنسية. وقد ذكره صاعد، وذكره أيضاً ابن الأبار القضاعي في تكملة الصلة، وقال: إنه من تلاميذ أبي عبد الله بن برغوث. (ar)
  • Абу́-л-Джуд Муха́ммад ибн Лайс (араб. أبو الجود محمد بن أحمد بن لیث‎; X—XI вв.) — среднеазиатский геометр персидского происхождения. Был современником аль-Бируни и состоял с ним в переписке. Написал «Книгу о построении семиугольника, вписанного в круг», «Книгу об измерении треугольника с заданными сторонами» (по-видимому, в ней рассматривалась теорема Архимеда-Герона), «Книгу о решении задачи Менелая» (в которой рассматривалась задача о вписании в данный полукруг ломаной линии, равной данному отрезку), «Трактат о кубических уравнениях» (Омар Хайям сообщает, что этот трактат был посвящён решению кубических уравнений с помощью конических сечений). (ru)
  • Abū al-Jūd Muḥammad b. Aḥmad b. al-Layth was an Iranian mathematician. He lived during 10th century and was a contemporary of Al-Biruni. Not much is known about his life. He seems to have lived in the east of Khurasan, within Samanid territory. Sa'id al-Andalusi claimed that he lived in Valencia (Balansiya) and died in 1014 or 1015, but other sources didn't mention these information. It is likely that he became a scribe after acquiring basic knowledge on mathematics. (en)
  • Abū al-Jūd, Muhammad b. Ahmad b. al-Layth foi um matemático iraniano que viveu no século X e foi contemporâneo de Al-Biruni. Não se sabe muito sobre sua vida. Ele parece ter vivido no oriente de Khurasan, no território de Samânida. Sa'id al-Andalusi alegou que ele viveu na cidade de Valência (Balansiya) e morreu em 1014 ou 1015, mas outras fontes não mencionam essas informações. É provável que ele tenha se tornado um escriba, após a aquisição de conhecimentos básicos de matemática. (pt)
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  • محمد بن أحمد بن محمد الليث كان متحققاً بعلم العدد والهندسة والهيئة، بصيراً بغيرها، ذا مروءة كاملة ونفس طيبة. توفي سنة 455 ببلد من أعمال بلنسية. وقد ذكره صاعد، وذكره أيضاً ابن الأبار القضاعي في تكملة الصلة، وقال: إنه من تلاميذ أبي عبد الله بن برغوث. (ar)
  • Abū al-Jūd Muḥammad b. Aḥmad b. al-Layth was an Iranian mathematician. He lived during 10th century and was a contemporary of Al-Biruni. Not much is known about his life. He seems to have lived in the east of Khurasan, within Samanid territory. Sa'id al-Andalusi claimed that he lived in Valencia (Balansiya) and died in 1014 or 1015, but other sources didn't mention these information. It is likely that he became a scribe after acquiring basic knowledge on mathematics. In the 10th century, Abu al-Jud used conics to solve quartic and cubic equations, a century before the more famous work of Omar Khayyam, although his solution did not deal with all the cases. (en)
  • Абу́-л-Джуд Муха́ммад ибн Лайс (араб. أبو الجود محمد بن أحمد بن لیث‎; X—XI вв.) — среднеазиатский геометр персидского происхождения. Был современником аль-Бируни и состоял с ним в переписке. Написал «Книгу о построении семиугольника, вписанного в круг», «Книгу об измерении треугольника с заданными сторонами» (по-видимому, в ней рассматривалась теорема Архимеда-Герона), «Книгу о решении задачи Менелая» (в которой рассматривалась задача о вписании в данный полукруг ломаной линии, равной данному отрезку), «Трактат о кубических уравнениях» (Омар Хайям сообщает, что этот трактат был посвящён решению кубических уравнений с помощью конических сечений). (ru)
  • Abū al-Jūd, Muhammad b. Ahmad b. al-Layth foi um matemático iraniano que viveu no século X e foi contemporâneo de Al-Biruni. Não se sabe muito sobre sua vida. Ele parece ter vivido no oriente de Khurasan, no território de Samânida. Sa'id al-Andalusi alegou que ele viveu na cidade de Valência (Balansiya) e morreu em 1014 ou 1015, mas outras fontes não mencionam essas informações. É provável que ele tenha se tornado um escriba, após a aquisição de conhecimentos básicos de matemática. No século X Abu al-Jud usou cônicas para resolver equações cúbicas, um século antes da mais famosa obra de Omar Khayyam. (pt)
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