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The Isochronous Curve of Placidus (Ptolemy): Objective Refutation of Polich’s Assertion
The term isochronous derives from the Greek «isos» (equal) and «chronos» (time). In the context of celestial mechanics and the Placidian (Placidus of Titis) method of coordinate transformation, an isochronous curve is the line drawn in the three-dimensional sphere connecting…
