Supergroups, q-Series and 3-Manifolds

Sep 29, 2020
57 pages
Published in:
  • Annales Henri Poincare 25 (2024) 5, 2781-2837
  • Published: Feb 5, 2024
e-Print:

Citations per year

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Abstract: (Springer)
We introduce supergroup analogs of 3-manifold invariants Zundefined{\widehat{Z}}, also known as homological blocks, which were previously considered for ordinary compact semisimple Lie groups. We focus on superunitary groups and work out the case of SU(2|1) in details. Physically these invariants are realized as the index of BPS states of a system of intersecting fivebranes wrapping a 3-manifold in M-theory. As in the original case, the homological blocks are q-series with integer coefficients. We provide an explicit algorithm to calculate these q-series for a class of plumbed 3-manifolds and study quantum modularity and resurgence properties for some particular 3-manifolds. Finally, we conjecture a formula relating the Zundefined{\widehat{Z}} invariants and the quantum invariants constructed from a non-semisimple category of representation of the unrolled version of a quantum supergroup.
Note:
  • 56 pages, 7 figures. v2: minor corrections in the text and formulas, references added
  • M-theory
  • Chern-Simons theory
  • supergroup
  • 3-manifolds
  • BPS states
  • category: representation
  • group: Lie
  • M-theory
  • SU(2|1)
  • BPS