On positive bivariate quartic forms
classification
🧮 math.AG
keywords
bivariateformcriterionquarticdegreeformsfourhomogeneous
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A bivariate quartic form is a homogeneous bivariate polynomial of degree four. A criterion of positivity for such a form is known. In the present paper this criterion is reformulated in terms of pseudotensorial invariants of the form.
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