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 to both lie on a ...
... 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 two circles ...
Famous quotes containing the word chain:
“It could not have come down to us so far,
Through the interstices of things ajar
On the long bead chain of repeated birth,
To be a bird while we are men on earth,”
—Robert Frost (18741963)