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Witt invariants from q-series $\hat{Z}$

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arxiv 2204.02794 v2 pith:2DZGF2OO submitted 2022-04-04 math.GT hep-thmath-phmath.MPmath.QA

classification math.GThep-thmath-phmath.MPmath.QA
keywords invariantswittmanifoldsalternativeanalyzeapproachcomputedefined
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We present a relation between the Witt invariants of 3-manifolds and the $\hat{Z}$-invariants. It provides an alternative approach to compute the Witt invariants of 3-manifolds, which were originally defined geometrically in four dimensions. We analyze various homology spheres including a hyperbolic manifold using this method.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A supergroup series for knot complements

    math.GT 2025-08 unverdicted novelty 7.0 of 10

    Defines the three-variable superalgebra series F_K(y,z,q) for knot complements, derives its surgery relation to hat Z(q), and computes examples for torus knots.

  2. Quantum invariants of 3-manifolds and links: a review

    math-ph 2025-09 unverdicted novelty 1.0 of 10

    This is a survey, not a new result: it reviews the q-series invariants Zhat, F_K, F_L and their supergroup analogues, collecting known conjectures, theorems, and examples.

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