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A contribution to the theory of tacnodal quartics. (English) Zbl 0587.14014
The paper considers the divisor of order 12 of inflection points of the tacnodal quartic curve showing that it is determined by a cubic curve only under strong conditions.
Reviewer: P.Valabrega

MSC:
14H20 Singularities of curves, local rings
14B05 Singularities in algebraic geometry
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