Tacnode

English

The tacnode (at the origin) of the curve $(x^2+y^2-3x{)}^2-4x^2(2-x)=0$

Etymology

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Pronunciation

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Noun

1. Template:Lb A point of a curve where two or more osculating circles to the curve at that point are tangent, so that two branches of the curve have ordinary tangency at the double point.
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Related terms

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