Talbot's Curve
A curve investigated by Talbot which is the Negative Pedal Curve of an Ellipse with respect to its center.It has four Cusps and two Nodes, provided the Eccentricity ofthe Ellipse is greater than 
. Its Cartesian Equation is
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where
is a constant.
References
Lockwood, E. H. A Book of Curves. Cambridge, England: Cambridge University Press, p. 157, 1967. MacTutor History of Mathematics Archive. ``Talbot's Curve.''http://www-groups.dcs.st-and.ac.uk/~history/Curves/Talbots.html.
- Lemma
- Lemniscate
- Lemniscate Case
- Lemniscate Constant
- Lemniscate Function
- Lemniscate Inverse Curve
- Lemniscate (Mandelbrot Set)
- Lemniscate of Bernoulli
- Lemniscate of Gerono
- Lemoine Axis
- Lemoine Circle
- Lemoine Line
- Lemoine Point
- Lemoine's Problem
- Lemon
- Length (Curve)
- Length Distribution Function
- Length (Number)
- Length (Partial Order)
- Length (Size)
- Lengyel's Constant
- Lens
- Lens Space
- Lenstra Elliptic Curve Method
- Leonardo's Paradox