Conjecture on degeneration of singular AC metrics to smooth AC metrics
Let be a rank- vector bundle, let be its projectivization, and let be the line bundle such that the total space is a crepant resolution of the cone over . The -th root of carries singular asymptotically conical (AC) metrics, while carries smooth AC metrics.
Metric contraction conjecture. The singular AC metrics on the -th root of contract along one-parameter families to the smooth AC metrics on by shrinking the fibers of in the zero section.
This predicts a geometric transition from the branched-cover metrics on the singular space to the smooth metrics on its small crepant resolution. The source gives no resolution of this claim.
References
Primary source
Ronan J. Conlon and Hans-Joachim Hein, “Asymptotically conical Calabi-Yau manifolds, I”, arXiv:1205.6347 (2014).
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