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math.AG2023
The structure of the moduli of gauged maps from a smooth curve
Daniel Halpern-Leistner, Andres Fernandez Herrero
For a reductive group , Harder-Narasimhan theory gives a structure theorem for principal bundles on a smooth projective curve . A bundle is either semistable, or it admit…
math.AG2023
The noncommutative minimal model program
Daniel Halpern-Leistner
This note aims to clarify the deep relationship between birational modifications of a variety and semiorthogonal decompositions of its derived category of coherent sheaves. The res…