Geometry and group structures of some cubics - Fred Lang

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    Geometry and group structures of some cubics - Fred Lang​

    We review the group structure of a cubic in the projective complex plane and give group theoretic formulations of some geometric properties of a cubic. Then, we apply them to pivotal isocubics, in particular to the cubics of Thomson, Darboux and Lucas. We use the group structure to identify different transformations of cubics. We also characterize equivalence of cubics in terms of the Salmon cross ratio.

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    LTTK CTV, 4/10/19
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