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math.AG2022
Relations among -Twists
Andreas Hochenegger, Andreas Krug
Given two -objects in some algebraic triangulated category, we investigate the possible relations among the associated -twists. The main result is that, und…
math.AG2022
Compactified Jacobians of Extended ADE Curves and Lagrangian Fibrations
Adam Czapliński, Andreas Krug, Manfred Lehn +1
We observe that general reducible curves in sufficiently positive linear systems on K3 surfaces are of a form that generalises Kodaira's classification of singular elliptic fibres…