Lemniscate

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In algebraic geometry, lemniscate refers to any of several figure-eight or ∞ shaped curves, of which the best known is the Lemniscate of Bernoulli. It is also sometimes used to refer to the symbol used in mathematics as a symbol for infinity.

• Lemniscate of Bernoulli
• Lemniscate of Booth
• Lemniscate of Gerono
• Polynomial lemniscate

A simple lemniscate can be described graphically by the following equation: 2(x² + y²)² = 25(x² − y²)

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