Who did more ring theory, Cahit Arf or Sind ibn Ali?
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Cahit Arf Cahit Arf (] ; 11 October 1910 – 26 December 1997) was a Turkish mathematician. He is known for the Arf invariant of a quadratic form in characteristic 2 (applied in knot theory and surgery theory) in topology, the Hasse–Arf theorem in ramification theory, Arf semigroups, and Arf rings.
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Sind ibn Ali He is known to have translated and modified the Zij al-Sindhind. The Zij al-Sindhind was the first astronomical table ever introduced in the Muslim World. As a mathematician Sind ibn ʿAlī was a colleague of al-Khwarizmi and worked closely with Yaqūb ibn Tāriq together they calculated the diameter of the Earth and other astronomical bodies. He also wrote a commentary on "Kitāb al-ğabr wa-l-muqābala" and helped prove the works of al-Khwarizmi. The decimal point notation to the Arabic numerals was introduced by Sind ibn Ali.
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Naubat Khan Naubat Khan (also known as Ali Khan Karori) was a prominent Indian classical music composer, musician and instrumentalist. He was an influential musician of his time. The rudra veena, also called the bin, came into prominence during the time of Tansen's contemporary, and son-in-law, Naubat Khan. In the paintings of the time, it is clearly Naubat Khan and not Tansen who is associated with the instrument. Naubat Khan was the honorary title conferred by Mughal Emperor Jahangir on Ali Khan Karori.
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Sharik Ibn-e-Judair Sharik Ibn Judair was a Sahabi of Ali and fought for him in Battle of Siffin. He was also very close to the Malik al-Ashtar. According to some traditions, he was killed by Hussain Ibn Numayer in a fight with Ubaidullah Ibn Ziyad with Mukhtar-e-Thaqafi.
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Raud al-Unuf Raud al-Unuf is a book by the Islamic scholar Al-Suhayli. It is a commentary on Ibn Hisham's As-Siratu Nabawiyyah.
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Yahya ibn Sa'd Yahya ibn Sa'd (Arabic: يحيى بن سعد‎ ‎ ) is one of the more prominent Tabi'een.
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Arf invariant In mathematics, the Arf invariant of a nonsingular quadratic form over a field of characteristic 2 was defined by Turkish mathematician when he started the systematic study of quadratic forms over arbitrary fields of characteristic 2. The Arf invariant is the substitute, in characteristic 2, for the discriminant for quadratic forms in characteristic not 2. Arf used his invariant, among others, in his endeavor to classify quadratic forms in characteristic 2.
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Saheb Qiblah Fultali Abdul Latif Chowdhury (Bengali: আব্দুল লতিফ চৌধুরী ; 25 May 1913 – 16 January 2008), widely known as Saheb Qiblah Fultali, was a Bangladeshi Islamic scholar of theology, philosophy, murshid, spiritual esotericist, and spiritual leader.
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Hasan al-Utrush Abu Muḥammad al-Ḥasan ibn ‘Alī ibn al-Ḥasan ibn ‘Alī ibn ‘Umar al-Ashraf ibn ‘Alī Zayn al-‘Ābidīn (Medina, ca. 844 – Amul, January/February 917), better known as al-Ḥasan al-Uṭrūsh ("the Deaf"), was an Alid Shia missionary of the Zaydi sect who re-established Zaydid rule over the province Tabaristan in northern Iran in 914, after fourteen years of Samanid rule. He ruled Tabaristan until his death under the regnal name of al-Nāṣir li'l-Ḥaqq ("Defender of the True Faith"), and became known as al-Nāṣir al-Kabīr ("al-Nasir the Elder") to distinguish him from his descendants who bore the same surname. He is still known and recognized as Imam among the Zaydis of Yemen.
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Augustin-Louis Cauchy Baron Augustin-Louis Cauchy FRS FRSE (] ; 21 August 1789 – 23 May 1857) was a French mathematician and physicist who made pioneering contributions to analysis. He was one of the first to state and prove theorems of calculus rigorously, rejecting the heuristic principle of the generality of algebra of earlier authors. He almost singlehandedly founded complex analysis and the study of permutation groups in abstract algebra. A profound mathematician, Cauchy had a great influence over his contemporaries and successors. His writings range widely in mathematics and mathematical physics.
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Shimshon Amitsur Shimshon Avraham Amitsur (born Kaplan; Hebrew: שמשון אברהם עמיצור‎ ‎ ; August 26, 1921 – September 5, 1994) was an Israeli mathematician. He is best known for his work in ring theory, in particular PI rings, an area of abstract algebra.
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Muhammad ibn al Uthaymeen Abu 'Abd Allah Muhammad ibn Saalih ibn Muhammad ibn Sulayman ibn Abd Al Rahman Al Uthaymeen Al Tamimi (Arabic: أبو عبد الله محمد بن صالح بن محمد بن سليمان بن عبد الرحمن العثيمين التميمي) (March 9, 1925 – January 10, 2001) was a Sunni scholar of Saudi Arabia who was considered "a giant within conservative Salafi Islam".
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Saf ibn Sayyad Saf ibn Sayyad (Arabic: الصف بن الصياد‎ ‎ ), later known as Abdullah ibn Sa'id (Arabic: عبد الله بن سعيد‎ ‎ ), was an alleged claimant of prophethood during the time of Islamic prophet Muhammad and his companions.
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Arif Ardabili Arif Ardabili was a medieval poet who is famous for being author of Farhadnameh.
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Abu al-Wafa' Buzjani Abū al-Wafāʾ, Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās al-Būzjānī or Abū al-Wafā Būzhjānī (Persian: ابوالوفا بوزجانی or بوژگانی‎ ‎ ) (10 June 940 – 15 July 998) was a Persian mathematician and astronomer who worked in Baghdad. He made important innovations in spherical trigonometry, and his work on arithmetics for businessmen contains the first instance of using negative numbers in a medieval Islamic text.
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Al-Battani Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī aṣ-Ṣābiʾ al-Battānī (Arabic: محمد بن جابر بن سنان البتاني) (Latinized as Albategnius, Albategni or Albatenius) (c. 858 – 929) was an Arab astronomer, astrologer, and mathematician. He introduced a number of trigonometric relations, and his "Kitāb az-Zīj" was frequently quoted by many medieval astronomers, including Copernicus.
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Akhund Khorasani Mohammad Kazem Khorasani or Akhund-e Khorasani (Persian: محمد کاظم خراسانی‎ ‎ , (1839-1911)) was Twelver Shi'a Marja, politician, philosopher, reformer. He's regarded as one of the most important Shia "Mujtahid" at the time. He was a lecturer at Najaf seminary for years and significant number of students from "different regions of the Muslim world" used to participate his lectures. His most famous work is "The Sufficiency" (Arabic: کفایه‎ ‎ ) where he gathered the jurispurdential ideas such as `continuity` and "presented them in a yet more rigorous fashion as a unified theory of jurisprudence."
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Muhammad Sharif (Kalifa) Sayyid Muhammad Sharif (died 1899) was one of the three Kalifas or lieutenants of Muhammad Ahmad (1844-1885), who styled himself the Mahdi, the others being Ali wad Hilu and Abdallahi ibn Muhammad.
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Al-Akhtal al-Taghlibi Ghiyath ibn Ghawth al-Taghlibi, commonly known as al-Akhtal (  640 710), was one of the most famous Arab poets of the Umayyad period. He belonged to the Banu Taghlib tribe of Upper Mesopotamia, and was, like his fellow-tribesmen, a Christian, enjoying the freedom of his religion.
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Ali Qushji Ala al-Dīn Ali ibn Muhammed (1403 – 16 December 1474), known as Ali Qushji (Ottoman Turkish/Persian language: علی قوشچی, "kuşçu" – falconer in Turkish; Latin: "Ali Kushgii") was an astronomer, mathematician and physicist originally from Samarkand, who settled in the Ottoman Empire some time before 1472. As a disciple of Ulugh Beg, he is best known for the development of astronomical physics independent from natural philosophy, and for providing empirical evidence for the Earth's rotation in his treatise, "Concerning the Supposed Dependence of Astronomy upon Philosophy". In addition to his contributions to Ulugh Beg's famous work Zij-i-Sultani and to the founding of Sahn-ı Seman Medrese, one of the first centers for the study of various traditional Islamic sciences in the Ottoman caliphate, Ali Kuşçu was also the author of several scientific works and textbooks on astronomy.
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Cahit Zarifoğlu Abdurrahman Cahit Zarifoğlu (born 1 July 1940, Ankara – d. 7 June 1987, İstanbul), Turkish poet, writer.
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Hasan ibn Zayd Al-Ḥasan ibn Zayd ibn Muḥammad ibn Ismā‘il ibn al-Ḥasan ibn Zayd (Arabic: الحسن بن زيد بن محمد‎ ‎ ; died 6 January 884), also known as al-Da‘ī al-kabīr (Arabic: داعي الكبير‎ ‎ , "the Great/Elder Missionary"), was an Alid who became the founder of the Zaydid dynasty of Tabaristan.