Apollonius of Perga

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Apollonius of Perga
Apollonius of Perga [Pergaeus] (ca. 262 BC–ca.  190 BC) was a Greek geometer and astronomer, of the Alexandrian school, noted for his writings on conic sections. His innovative methodology and terminology, especially in the field of conics, influenced many later scholars including PtolemyFrancesco MaurolicoIsaac Newton, and René Descartes. It was Apollonius who gave the ellipse, the parabola, and the hyperbola the names by which we know them. The hypothesis of eccentric orbits, or equivalently, deferent and epicycles, to explain the apparent motion of the planets and the varying speed of the Moon, are also attributed to him. Apollonius' theorem demonstrates that the two models are equivalent given the right parameters. Ptolemy describes this theorem in the Almagest XII.1. Apollonius also researched the lunar theory, for which he is said to have been called Epsilon (ε). The Apollonius crater on the Moon was named in his honor.
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Apollonius de Perga
Apollonius de Perga ou Apollonius de Perge (v. 262 – v. 190 av. J.-C.) était un géomètre grec et un astronome, célèbre pour ses écrits sur les sections coniques. Ce fut Apollonius qui donna à l'ellipse, à la parabole, et à l'hyperbole les noms que nous leur connaissons. Les hypothèses des orbites excentriques, pour expliquer le mouvement apparent des planètes et la variation de vitesse de la Lune, lui sont aussi attribuées.
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Apollonios von Perge
Apollonios von Perge (auch: Apollonius Pergaeus, * 262 v. Chr. in Perge; † 190 v. Chr. in Alexandria) war ein griechischer Mathematiker.In seinem bedeutendsten Werk Konika ("Über Kegelschnitte") widmete er sich eingehenden Untersuchungen über die Problematik der KegelschnitteGrenzwertbestimmungen und Minimum-Maximum-Problemen. Er wies nach, dass die drei verschiedenen Kegelschnitte (EllipseParabel und Hyperbel), deren Namen und Definitionen er einführte, vom selben allgemeinen Kegeltypus stammen. Nach Apollonios von Perge sind auch der Kreis des Apollonios und das Apollonische Problem benannt.
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Apoloniusz z Pergi
Apoloniusz z Pergi (gr. Apollonios ho Pergaios) – żyjący w III wieku p.n.e. (ok. 260 p.n.e. - ok. 190 p.n.e.) matematyk i astronom grecki.Apoloniusz interesował się głównie geometrią a zwłaszcza krzywymi stożkowymi. Napisał traktat (Konika - "Stożkowe"), w którym opisuje i nadaje nazwy takim krzywym jak elipsaparabola i hiperbola. Zajmował się również badaniem ruchu Księżyca. Działał na terenie Pergamonu i Aleksandrii. Już w starożytności nazywano go "Wielkim Geometrą".
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Apollonio di Perga
Fu Apollonio che diede alla ellisse, alla parabola e alla iperbole i nomi con i quali da allora queste curve sono identificate. A lui sono attribuiti anche le ipotesi delle orbite eccentriche, o in altri termini, le ipotesi di deferenti ed epicicli, con le quali spiegare il moto apparente dei pianeti e la velocità variabile della Luna.
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