Boundedness conjecture for minimal dlt centers
Boundedness conjecture for minimal dlt centers
Let and be positive integers. A minimal dlt center of a log Calabi–Yau pair is a minimal log canonical center on a dlt modification of that pair. Boundedness conjecture for minimal dlt centers. There exists a birationally bounded family of algebraic varieties such that, whenever is a Fano type variety of coregularity and is an -complement of computing the coregularity, the minimal dlt centers of belong to .
This conjecture would bound the birational types of the minimal centers that are invisible in the dual complex alone. Their birational class is well-defined because any two minimal dlt centers of the same dimension are -linked; the proposed boundedness remains open.
Sources & referencesView supporting material
Primary source
Joaquín Moraga, “Coregularity of Fano varieties”, arXiv:2206.10834 (2022).
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