Works by Gamini, Amir Mohammad (exact spelling)

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    Al-shīrāzī and the empirical origin of ptolemy's equant in his model of the superior planets.Amir Mohammad Gamini & Hossein Masoumi Hamedani - 2013 - Arabic Sciences and Philosophy 23 (1):47-67.
    Ptolemy presents only one argument for the eccentricity in his models of the superior planets, while each one of them has two eccentricities: one for center of the uniform motion, the other for the center of the constant distance. To take into account the first eccentricity, he introduces the equant point, but he provides no argument for the eccentricity of the center of the deferent. Why is the second eccentricity different from the first one? The 13 th century astronomer Quṭb (...)
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