Christoph Keller

  1. Title:
    Symmetric Orbifolds, Siegel Modular Forms, and their Spectrum

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  2. Title:
    Conformal field theory and modular differential operators for weak Jacobi forms

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  3. Title:
    Mathieu Moonshine and Symmetry Surfing

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  4. Title:
    Constraints on 2d CFT partition functions

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