van Garens–Ranganathan log-local conjecture for normal crossing divisors
van Garens–Ranganathan log-local conjecture for normal crossing divisors
Let be a smooth projective variety and let be an effective reduced normal crossing divisor whose components are smooth, irreducible, and nef. For a curve class of , let
and let be the morphism from the moduli space of genus-zero basic stable log maps to with one maximal-contact relative marking for each to the moduli space of stable maps to the total space of . van Garens–Ranganathan log-local conjecture.
This identifies genus-zero local invariants with maximal-tangency logarithmic invariants after the displayed normalization. It has been proved in some cases, but remains open in general.
Sources & referencesView supporting material
Primary source
Hsian-Hua Tseng and Fenglong You, “A mirror theorem for multi-root stacks and applications”, arXiv:2006.08991 (2022).
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