Deformation Classification of Typical Configurations of 7 Points in the Real Projective Plane
classification
🧮 math.AG
keywords
pointsclassificationconfigurationsdeformationrealtypicalaronholdcalled
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A configuration of 7 points in RP2 is called typical if it has no collinear triples and no coconic sextuples of points. We show that there exist 14 deformation classes of such configurations. This yields classification of real Aronhold sets.
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