“Klein's Equation”的概念、定义、习题解题方法及翻译-数学辞典

单词

Klein's Equation

释义

Klein's Equation

If a Real curve has no singularities except nodes and Cusps, Bitangents, and Inflection Points, then

where

is the order,

is the number of conjugate tangents,

is the number of Realinflections,

is the class,

is the number of Real conjugate points, and

is thenumber of Real Cusps. This is also called Klein's Theorem.

See also Plücker's Equation

References

Coolidge, J. L. A Treatise on Algebraic Plane Curves. New York: Dover, p. 114, 1959.

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