3 papers
math.AG2025
Gromov-Witten theory, degenerations, and the tautological ring
Davesh Maulik, Dhruv Ranganathan
Gromov-Witten (GW) theory produces Chow and cohomology classes on the moduli of curves, and there are several conjectures/speculations about their relation to the tautological ring…
math.AG2025
Logarithmic Quot spaces, boundedness, and K-tropicalizations
Patrick Kennedy-Hunt, Dhruv Ranganathan
Logarithmic Hilbert and Quot spaces are generalizations of their traditional versions adapted to study pairs and degenerations. The logarithmic Quot spaces of parameterize…
math.AG2024
The many faces of a logarithmic scheme
Thibault Poiret, Dhruv Ranganathan
A standard assumption in the study of logarithmic structures is "fineness", but this assumption is not preserved by intersections, fiber products, and more general limits. We expla…