TOPICS
Search

Zeuthen's Rule


On an algebraic curve, the sum of the number of coincidences at a noncuspidal point C is the sum of the orders of the infinitesimal distances from a nearby point P to the corresponding points when the distance PC is taken as the principal infinitesimal.


Explore with Wolfram|Alpha

References

Coolidge, J. L. A Treatise on Algebraic Plane Curves. New York: Dover, p. 131, 1959.

Referenced on Wolfram|Alpha

Zeuthen's Rule

Cite this as:

Weisstein, Eric W. "Zeuthen's Rule." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ZeuthensRule.html

Subject classifications