Al-Abbās ibn Said al-Jawharī

Al-ʿAbbās ibn Saʿid al-Jawharī (c. 800 Baghdad? – c. 860 Baghdad?) was a geometer who worked at the House of Wisdom in Baghdad and for in a short time in Damascus where he made astronomical observations. His most important work was his Commentary on Euclid's Elements which contained nearly 50 additional propositions and an attempted proof of the parallel postulate.

References

De Young, Gregg (1997). "Al-Jawhari's additions to Book V of Euclid's Elements". Zeitschrift für Geschichte der Arabisch-Islamischen Wissenschaften 11 (10): 153–178.
Hatipov, A. E.-A. (1964). "The theory of parallel lines in the medieval East". Trudy Samarkand. Gos. Univ. (N.S.) Vyp. (in Russian) 144: 5–47.
Jaouiche, Khalil (1986). La théorie des parallèles en pays d’Islam: Contribution à la préhistoire des géométries non euclidiennes (in French). J. Vrin. ISBN 2-7116-0920-0.
Rozenfeld, Boris Abramovich (1988). The History of Non-Euclidean Geometry: Evolution of the Concept of a Geometric Space. Springer. ISBN 0-387-96458-4.

External links

Bolt, Marvin (2007). "Jawharī: al‐ʿAbbās ibn Saʿīd al‐Jawharī". In Thomas Hockey; et al. The Biographical Encyclopedia of Astronomers. New York: Springer. pp. 591–2. ISBN 978-0-387-31022-0. (PDF version)
Sabra, Abdelhamid I. (1973). "Al-Jawharī, Al-‘Abbās Ibn Sa‘īd". Dictionary of Scientific Biography volume=VII. pp. 79–80.
O'Connor, John J.; Robertson, Edmund F. (November 1999), "al-Abbas ibn Said Al-Jawhari", MacTutor History of Mathematics archive, University of St Andrews .

Mathematics in medieval Islam

Mathematicians

9th century	'Abd al-Hamīd ibn Turk Sind ibn Ali Al-Abbās ibn Said al-Jawharī Al-Ḥajjāj ibn Yūsuf ibn Maṭar Al-Kindi Al-Mahani Banū Mūsā Hunayn ibn Ishaq Muḥammad ibn Mūsā al-Khwārizmī Thābit ibn Qurra Na'im ibn Musa Sahl ibn Bishr Habash al-Hasib al-Marwazi

10th century	Abd al-Rahman al-Sufi Abū al-Wafā' 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 Abu-Mahmud Khojandi Nazif ibn Yumn Abū Sahl al-Qūhī

11th century	Abū Ishāq Ibrāhīm al-Zarqālī Abu Nasr Mansur Abū Rayḥān al-Bīrūnī Alhazen Ibn Muʿādh al-Jayyānī Al-Karaji Al-Sijzi Alī ibn Ahmad al-Nasawī Avicenna 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 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

Treatises

Almanac
Book of Fixed Stars
Book of Optics
De Gradibus
Encyclopedia of the Brethren of Purity
Tables of Toledo
Tabula Rogeriana
The Compendious Book on Calculation by Completion and Balancing
The Book of Healing
Zij
Zij-i Ilkhani
Zij-i-Sultani

Concepts

Centers

Influences

Influenced

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