Ramphoid Cusp
RamphoidCusp
A type of cusp as illustrated above for the curve x^4+x^2y^2-2x^2y-xy^2+y^2=0.
See also
Cusp, Keratoid CuspExplore with Wolfram|Alpha
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References
Walker, R. J. Algebraic Curves. New York: Springer-Verlag, pp. 57-58, 1978.Referenced on Wolfram|Alpha
Ramphoid CuspCite this as:
Weisstein, Eric W. "Ramphoid Cusp." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/RamphoidCusp.html