He produced two prominent works on astronomy - The Limit of Accomplishment concerning Knowledge of the Heavens (Nihayat al-idrak fi dirayat al-aflak) completed in 1281, and The Royal Present (Al-Tuhfat al-Shahiya) completed in 1284. Both presented his models for planetary motion, improving on Ptolemy's principles. In his The Limit of Accomplishment concerning Knowledge of the Heavens, he also discussed the possibility of heliocentrism.
Besides astronomy he wrote extensively on medicine, mathematics and "traditional" Islamic sciences.
Qutb al-Din was also a Sufi from a family of Sufis in Shiraz. He is famous for the commentary on Hikmat al-ishraq of Suhrawardi, the most influential work of Islamic Illuminist philosophy. Qutb al-Din al-Shirazi's most famous work is the Pearly Crown (Durrat al-taj li-ghurratt al-Dubaj), written in Persian around AD 1306 (705 AH).
Musique De L'époque Abbaside: Le Legs De Safiy A-D-Din Al-Urmawi / Music of the Abbasid Era: The Legacy of Safiy A-D-Din Al-Urmawi
Jan 01, 2007; WEST ASIA Musique de l'époque abbaside: Le legs de Safiy a-d-Din al-Urmawi / Music of the Abbasid Era: The Legacy of Safiy...