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Adjoint Curve

A curve which has at least multiplicity $r_i-1$ at each point where a given curve (having only ordinary singular points and cusps) has a multiplicity $r_i$ is called the adjoint to the given curve. When the adjoint curve is of order $n-3$, it is called a special adjoint curve.


References

Coolidge, J. L. A Treatise on Algebraic Plane Curves. New York: Dover, p. 30, 1959.




© 1996-9 Eric W. Weisstein
1999-05-25