= The Hesse pencil of plane cubic curves by Michela Artebani and Igor Dolgachev
{c}
{tag=Work by Michela Artebani}
{tag=Work by Igor Dolgachev}
{title2=2009}
Primary author-hosted manuscript: https://sites.lsa.umich.edu/idolga-new/wp-content/uploads/sites/1467/2024/08/hesse09.pdf
Publisher: https://ems.press/journals/lem/articles/12146
Preprint: https://arxiv.org/abs/math/0611590
Section 2, manuscript pp.3–5: Hesse equations, common flex/base points, normal form and Hessians. Published in L’Enseignement Mathématique 55 (2009), pp.235–273. The wiki calculations explicitly use complex coefficients to avoid small-characteristic Hessian degeneracies.
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