Chasles's Contact Theorem

If a one-parameter family of curves has index and class , the number tangent to a curve of order and class in general position is

References

Coolidge, J. L. A Treatise on Algebraic Plane Curves. New York: Dover, p. 436, 1959.

• Poincaré Metric
• Poincaré Separation Theorem
• Poincaré's Holomorphic Lemma
• Poincaré's Lemma
• Poinsot Solid
• Poinsot's Spirals
• Point
• Point at Infinity
• Point Estimator
• Point Groups
• Point-Line Distance--2-D
• Point-Line Distance--3-D
• Point Picking
• Point-Plane Distance
• Point-Point Distance--1-D
• Point-Point Distance--2-D
• Point-Point Distance--3-D
• Point Probability
• Point-Quadratic Distance
• Point-Set Topology
• Points Problem
• Pointwise Dimension
• Poisson Bracket
• Poisson-Charlier Function
• Poisson-Charlier Polynomial