Category:Spiric sections

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A spiric section is a special case of a toric section, in which the intersecting plane is parallel to the rotational symmetry axis of the torus (σπειρα in ancient Greek). They were discovered by the ancient Greek geometer, Perseus in c. 150 BC. Their general mathematical form is quartic

where r, a and c are parameters.

Pages in category "Spiric sections"

There are 6 pages in this section of this category.

C

• Cassini oval

H

• Hippopede

L

• Lemniscate of Bernoulli
• Lemniscate of Booth
• Lemniscate of Gerono

S

• Spiric section

Retrieved from "http://en.wikipedia.org../../../s/p/i/Category%7ESpiric_sections_57e8.html"

Categories: Algebraic curves | Toric sections

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• This page was last modified 15:36, 30 May 2006 by Wikipedia user WillowW.
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