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math.AG2026
On the -theoretic logarithmic double ramification class
Kamyar Amini, You-Cheng Chou, Leo Herr +3
The logarithmic double ramification cycle is the virtual fundamental class of the locus where a line bundle on a family of curves is fiberwise trivial. We construct a K-theoretic l…
math.AG2026
Logarithmic Hochschild (co)homology of logarithmic orbifolds
Marton Hablicsek, Leo Herr, Francesca Leonardi
Recently, the authors of this paper introduced logarithmic Hochschild (co)homology of logarithmic spaces in a geometric way using formality of derived intersections. In this paper,…