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  1. Arabic Commentators on Ptolemy's Almagest

    Dr María José Parra Pérez- Independent Researcher Among pre-modern Arabic scholars, the Almagest was generally regarded as the most authoritative work ...


  2. Translating a Work of Higher Mathematics

    Dr Nathan Sidoli During the early ʿAbbāsid period (ninth century CE), a diverse group of scholars collaborated on the long-term project of translating ...


  3. ʽAbd al-Raḥmān al-Ṣūfī and the Revision of Ptolemy’s Star Catalogue

    Prof. Julio Samso In AD 137, Ptolemy compiled a catalogue of forty-eight constellations containing 1022 stars. ʽAbd al-Raḥmān al-Ṣūfī revised ...


  4. Competing Theories of Spherical Trigonometry

    Dr Nathan Sidoli In the medieval and early modern periods, the same group of individuals who developed new mathematical methods and theories were often ...


  5. Menelaus’ Spherics

    Dr Nathan Sidoli Mathematicians in medieval Islamic societies were the first to grasp the real significance of Menelaus’ Spherics. They followed Menelaus’ ...


  6. Arabic Scientific Tradition

    Dr Nahyan Fancy For eight hundred years, the Arabic scientific tradition was superior to that found in western Eurasia. It gave birth to new theories ...


  7. Performing Authority: the ‘Islamic’ Seals of British Colonial Officers

    Daniel A. Lowe Cultural appropriation was as much a part of empire as military force. The use of ‘Islamic’ seals by British colonial officials is ...


  8. Cartographic Material in India Office Reports

    Magdalena Peszko A vast array of cartographic material has been hidden amongst the India Office Records’ administrative files; this material provides ...


  9. Ibn al-Raqqām’s treatise on sundials

    Prof. Julio Samso During a period often characterised as one of decay and decline, the Andaluso-Tunisian astronomer Ibn al-Raqqām wrote his Risālah ...


  10. The Latin Reception of the Arabic Tradition of the Almagest

    Dr Dirk Grupe Ptolemaic astronomy became known in mediaeval Europe mainly through translations from Arabic. Latin translations of the Almagest reflect ...


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