A new functional S vanishes precisely on free line arrangements and enables discovery of verified free examples for every admissible exponent pair with up to 20 lines.
https://arxiv.org/abs/2509.19011
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A semicontinuous relaxation of Saito's criterion and freeness as angular minimization
A new functional S vanishes precisely on free line arrangements and enables discovery of verified free examples for every admissible exponent pair with up to 20 lines.