The tautologicality conjecture for effective classes of a logarithmic target
The tautologicality conjecture for effective classes of a logarithmic target
Let be a logarithmic target with Gromov--Witten classes, and let be the associated target whose effective classes are under consideration. A class is tautological in cohomology (resp. Chow) when it lies in the corresponding tautological ring. Tautologicality conjecture. If has tautological Gromov--Witten classes in cohomology (resp. Chow), then effective classes of are tautological in cohomology (resp. Chow). This would give a strong connection between tautological Gromov--Witten classes and effective classes; the supplied text does not indicate whether the assertion has been proved or disproved.
Sources & referencesView supporting material
Primary source
Qile Chen, Felix Janda and Yongbin Ruan, “Punctured logarithmic R-maps”, arXiv:2208.04519 (2023).
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