Mock modularity and a secondary elliptic genus

11 Apr 2019  ·  Gaiotto Davide, Johnson-Freyd Theo ·

The theory of Topological Modular Forms suggests the existence of deformation invariants for two-dimensional supersymmetric field theories that are more refined than the standard elliptic genus. In this note we give a physical definition of some of these invariants... The theory of mock modular forms makes a surprise appearance, shedding light on the integrality properties of some well-known examples. read more

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High Energy Physics - Theory K-Theory and Homology