The bounded negativity conjecture for plane curves with bounded genus

Let KK be a fixed algebraically closed ground field. A multiplicity sequence is a positive integer sequence (d,m1,,mr)(d,m_1,\ldots,m_r) arising from a reduced plane curve, with the mim_i recording singularity multiplicities, and a curve has multiplicity bound mm if mimm_i\leq m for every ii. A genus bound gg means that the normalization of each irreducible component has genus at most gg. Bounded negativity conjecture for bounded genus. For every choice of integers n0n\geq0, m>0m>0 and g0g\geq0, there are only finitely many multiplicity sequences arising for irreducible plane curves over KK with multiplicity bound mm, genus bound gg and having at most nn singular points of multiplicity less than mm.

This is one of the paper's proposed characteristic-free formulations related to bounded negativity. The source gives no resolution, so the conjecture remains open.

Sources & referencesView supporting material

Primary source

Alexandru Dimca, Brian Harbourne and Gabriel Sticlaru, “On the Bounded Negativity Conjecture and singular plane curves”, arXiv:2101.07187 (2021).

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