Sphere conjecture for coregularity-zero Fano type varieties
Let be an -dimensional Fano type variety of coregularity zero. A -complement is a complement with log canonical and . Let be the log pull-back of to a finite cover . Sphere conjecture for coregularity-zero Fano type varieties. There exists a -complement and a finite cover such that is a log Calabi–Yau pair and
This predicts that coregularity-zero Fano type varieties admit complements whose dual complexes become spheres after finite covers, extending the toric picture. The source presents this as an open conjecture.
References
Primary source
Joaquín Moraga, “Coregularity of Fano varieties”, arXiv:2206.10834 (2022).
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