Yaʿīsh ibn Ibrāhīm al-Umawī

"Al-Umawi" redirects here. For the Emir of Cordoba, see Abdullah ibn Muhammad al-Umawi.

Abū ʿAbdallāh Yaʿīsh ibn Ibrāhīm ibn Yūsuf ibn Simāk al-Andalusī al-Umawī (1400? in Al-Andalus – 1489? in Damascus, Syria?) was a 14th-century mathematician.

Works

Marasim al-intisab fi'ilm al-hisab ("On arithmetical rules and procedures"), first date written in 1373 and hence the birth date above is controversial.
Raf'al-ishkal fi ma'rifat al-ashkal (a work on mensuration).

References

Saidan, A. S. (1970). "Al-Umawī, Abū 'Abdallāh Ya'īsh Ibn ibrāHīm Ibn Yūsuf Ibn Simāk Al-Andalusī". Dictionary of Scientific Biography. New York: Charles Scribner's Sons. ISBN 0-684-10114-9.
Ahmad Salim Saidan (ed.), Yaish ibn Ibrahim al-Umawi, On arithmetical rules and procedures (Aleppo, 1981).
O'Connor, John J.; Robertson, Edmund F., "Yaʿīsh ibn Ibrāhīm al-Umawī", MacTutor History of Mathematics archive, University of St Andrews .

External links

Mathematics in medieval Islam

Mathematicians
(Works)

9th century	'Abd al-Hamīd ibn Turk Sind ibn Ali Al-Abbās ibn Said al-Jawharī Al-Ḥajjāj ibn Yūsuf ibn Maṭar Al-Kindi De Gradibus Al-Mahani Banū Mūsā Hunayn ibn Ishaq al-Khwārizmī The Compendious Book on Calculation by Completion and Balancing ibn Qurra Na'im ibn Musa Sahl ibn Bishr Habash al-Hasib al-Marwazi

10th century	Abd al-Rahman al-Sufi Book of Fixed Stars al-Būzjānī Abū Ja'far al-Khāzin Abū Kāmil Shujāʿ ibn Aslam Abu'l-Hasan al-Uqlidisi Abu-Mahmud Khojandi Ahmad ibn Yusuf Al-Nayrizi Al-Saghani Brethren of Purity Ibn Sahl Ibn Yunus Ibrahim ibn Sinan Muhammad ibn Jābir al-Harrānī al-Battānī Sinan ibn Thabit Al-Isfahani Nazif ibn Yumn Abū Sahl al-Qūhī

11th century	Abū Ishāq Ibrāhīm al-Zarqālī Abu Nasr Mansur Abū Rayḥān al-Bīrūnī Ibn al-Haytham / Alhazen Book of Optics Ibn Muʿādh al-Jayyānī Al-Karaji Al-Sijzi Alī ibn Ahmad al-Nasawī Avicenna The Book of Healing Ibn Tahir al-Baghdadi Kushyar ibn Labban Yusuf al-Mu'taman ibn Hud

12th century	Al-Khazini Ibn Yahyā al-Maghribī al-Samaw'al Omar Khayyám Jabir ibn Aflah Abu Bakr al-Hassar

13th century	Muhyi al-Dīn al-Maghribī Nasīr al-Dīn al-Tūsī Zij-i Ilkhani Shams al-Dīn al-Samarqandī Sharaf al-Dīn al-Tūsī Ibn al‐Ha'im al‐Ishbili Ibn Abi al-Shukr

14th century	Yaʿīsh ibn Ibrāhīm al-Umawī Ibn al-Banna' al-Marrakushi Ibn al-Shatir Kamāl al-Dīn Fārisī Al-Khalili Qotb al-Din Shirazi Ahmad al-Qalqashandi

15th century	Abū al-Ḥasan ibn ʿAlī al-Qalaṣādī Ali Qushji Jamshīd al-Kāshī Qāḍī Zāda al-Rūmī Ulugh Beg Ibn al-Majdi

16th century	Al-Birjandi Muhammad Baqir Yazdi Taqi al-Din Ibn Hamza al-Maghribi Ibn Ghazi al-Miknasi

Other treatises

Almanac
Encyclopedia of the Brethren of Purity
Tables of Toledo
Tabula Rogeriana
Zij
Zij-i-Sultani

Concepts

Centers

Influences

Influenced

Authority control	WorldCat Identities VIAF: 291657137 SUDOC: 165812648

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