A point where a curve intersects itself along three arcs. The above plot shows the triple point at the origin of the trifolium .
Triple Point
See also
Double Point, Quadruple PointExplore with Wolfram|Alpha
References
Walker, R. J. Algebraic Curves. New York: Springer-Verlag, pp. 57-58, 1978.Referenced on Wolfram|Alpha
Triple PointCite this as:
Weisstein, Eric W. "Triple Point." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TriplePoint.html