In geometry, the Pappus chain was created by Pappus of Alexandria in the 3rd century AD.
Read more about Pappus Chain: Construction
Other articles related to "chain, pappus chain":
... The centers of the circles of a Steiner chain lie on a conic section ... tangent to the other such systems of circles appear in the Pappus chain, the problem of Apollonius, and the three-dimensional Soddy's hexlet ... Similarly, if some circles of the Steiner chain are externally tangent to both given circles, their centers must lie on a hyperbola, whereas those that are internally tangent ...
... In these properties of having centers on an ellipse and tangencies on a circle, the Pappus chain is analogous to the Steiner chain, in which finitely many circles are tangent to ...
Famous quotes containing the word chain:
“How have I been able to live so long outside Nature without identifying myself with it? Everything lives, moves, everything corresponds; the magnetic rays, emanating either from myself or from others, cross the limitless chain of created things unimpeded; it is a transparent network that covers the world, and its slender threads communicate themselves by degrees to the planets and stars. Captive now upon earth, I commune with the chorus of the stars who share in my joys and sorrows.”
—Gérard De Nerval (18081855)