Last Updated
：2025/12/05
bifolium
Sense（1）
（ plural ）
Quizzes for review
(geometry) A quartic plane curve whose equation in Cartesian coordinates is (x²+y²)²=ax²ʸ.
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bifolium
In my algebraic curves class, the professor used the bifolium to illustrate how singularities can form on quartic curves.
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In my algebraic curves class, the professor used the bifolium to illustrate how singularities can form on quartic curves.
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