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A characterization of quasi-homogeneous singularities of free and nearly free plane curves (2407.05819v2)
Published 8 Jul 2024 in math.AG
Abstract: The goal of this paper is to establish a new characterization of quasi-homogeneous isolated singularities of free curves and nearly free curves $C$ in $\mathbb{P}_\mathbb{C}2$. The criterion will be in terms of a first syzygy matrix associated with the Jacobian ideal $J_f$ of $f$, where $f=0$ is the equation of the plane curve $C$.
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