astro.wikisort.org - ResearcherAbu Sa'id al-Dharir al-Jurjani (ابو سعيد الضرير الجرجاني), also Gurgani, was a 9th-century Persian[1] mathematician and astronomer from Gurgan (Jurjan), Iran. He wrote a treatise on geometrical problems and another on the drawing of the meridian. George Sarton considers him a pupil of Ibn al-A'rabi, but Carl Brockelmann rejects this opinion.
Works
Two of his works are extant:
- Masa'il Hindisia (a manuscript is available in Cairo)
- Istikhraj khat nisf al-nahar min kitab analima wa al-borhan alayh (available in Cairo, translated by Carl Schoy)
See also
- List of Iranian scientists
Sources
- Dianat, Abu'l-Hasan. "Abu Said Jorjani". Encyclopedia Islamica. CGIE. Retrieved 4 February 2017.
- H. Suter. Mathematiker (12, 1900).
Mathematics in the medieval Islamic world |
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Mathematicians | 9th century | |
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10th century | |
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11th century | |
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12th century | |
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Mathematical works |
- The Compendious Book on Calculation by Completion and Balancing
- De Gradibus
- Principles of Hindu Reckoning
- Book of Optics
- The Book of Healing
- Almanac
- Encyclopedia of the Brethren of Purity
- Toledan Tables
- Tabula Rogeriana
- Zij
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Concepts |
- Alhazen's problem
- Islamic geometric patterns
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Centers | |
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Influences |
- Babylonian mathematics
- Greek mathematics
- Indian mathematics
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Influenced |
- Byzantine mathematics
- European mathematics
- Indian mathematics
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Related |
- Hindu–Arabic numeral system
- Arabic numerals (Eastern Arabic numerals, Western Arabic numerals)
- Trigonometric functions
- History of trigonometry
- History of algebra
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Astronomy in the medieval Islamic world |
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Astronomers |
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| 8th | |
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9th | |
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10th | |
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11th | |
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12th | |
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13th | |
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14th | |
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15th | |
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16th | |
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17th | |
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Topics |
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Works |
- Arabic star names
- Islamic calendar
- Aja'ib al-Makhluqat
- Encyclopedia of the Brethren of Purity
- Tabula Rogeriana
- The Book of Healing
- The Remaining Signs of Past Centuries
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Instruments |
- Alidade
- Analog computer
- Aperture
- Armillary sphere
- Astrolabe
- Astronomical clock
- Celestial globe
- Compass
- Compass rose
- Dioptra
- Equatorial ring
- Equatorium
- Globe
- Graph paper
- Magnifying glass
- Mural instrument
- Navigational astrolabe
- Nebula
- Octant
- Planisphere
- Quadrant
- Sextant
- Shadow square
- Sundial
- Schema for horizontal sundials
- Triquetrum
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Concepts |
- Almucantar
- Apogee
- Astrology
- Astrophysics
- Axial tilt
- Azimuth
- Celestial mechanics
- Celestial spheres
- Circular orbit
- Deferent and epicycle
- Earth's rotation
- Eccentricity
- Ecliptic
- Elliptic orbit
- Equant
- Galaxy
- Geocentrism
- Gravitational energy
- Gravity
- Heliocentrism
- Inertia
- Islamic cosmology
- Moonlight
- Multiverse
- Muwaqqit
- Obliquity
- Parallax
- Precession
- Qibla
- Salah times
- Specific gravity
- Spherical Earth
- Sublunary sphere
- Sunlight
- Supernova
- Temporal finitism
- Trepidation
- Triangulation
- Tusi couple
- Universe
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Institutions |
- Al-Azhar University
- House of Knowledge
- House of Wisdom
- University of al-Qarawiyyin
- Observatories
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Influences |
- Babylonian astronomy
- Egyptian astronomy
- Hellenistic astronomy
- Indian astronomy
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Influenced |
- Byzantine science
- Chinese astronomy
- Medieval European science
- Indian astronomy
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Authority control: Scientific databases  | |
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На других языках
- [en] Abu Said Gorgani
[es] Abu Saíd Gorganí
Abu Saíd Gorganí (en persa: ابو سعید گرگانی) fue un matemático y astrónomo persa del siglo IX natural de la ciudad de Gorgán, en el actual Irán.
[fr] Abu Sa'id Gorgani
Abu Sa'id Goragani (Persan: ابو سعيد گرگاني) ou Gorgani était un mathématicien et un astronome iranien du IXe siècle.
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