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We prove that the Witten-Reshetikhin-Turaev (WRT) SO(3) invariant of an arbitrary 3-manifold M is always an algebraic integer. Moreover, we give a rational surgery formula for the unified invariant dominating WRT SO(3) invariants of…

Geometric Topology · Mathematics 2014-04-14 Anna Beliakova , Thang T. Q. Le

We study a notion of strict pseudoconvexity in the context of topologically (often unsmoothably) embedded 3-manifolds in complex surfaces. Topologically pseudoconvex (TPC) 3-manifolds behave similarly to their smooth analogues, cutting out…

Geometric Topology · Mathematics 2023-04-18 Robert E. Gompf

To each local field, Garoufalidis and Kashaev recently associate a quantum dilogarithm that satisfies a pentagon identity and some symmetries. By employing an angled version of these quantum dilogarithms, they developed three generalized…

Quantum Algebra · Mathematics 2024-03-05 Honghuai Fang

Recently Arnold's $\St$ and $J^{\pm}$ invariants of generic planar curves have been generalized to the case of generic planar wave fronts. We generalize these invariants to the case of wave fronts on an arbitrary surface $F$. All invariants…

Geometric Topology · Mathematics 2009-09-25 Vladimir V. Tchernov

We prove a conjecture of Hutchings and Lee relating the Seiberg-Witten invariants of a closed 3-manifold X with b_1 > 0 to an invariant that `counts' gradient flow lines--including closed orbits--of a circle-valued Morse function on the…

Differential Geometry · Mathematics 2014-11-11 Thomas Mark

In this paper, we begin constructing a new finite-dimensional topological quantum field theory (TQFT) for three-manifolds, based on group PSL(2,C) and its action on a complex variable by fractional-linear transformations, by providing its…

Geometric Topology · Mathematics 2008-09-25 Rinat Kashaev , Igor Korepanov , Evgeniy Martyushev

We extend Turaev's theory of Euler structures and torsion invariants on 3-manifolds to the case of vector fields having generic behavior on the boundary. This allows to easily define gluings of Euler structures and to develop a completely…

Geometric Topology · Mathematics 2018-05-08 Stefano Borghini

For 3-manifolds with torus boundary, the bordered Heegaard Floer invariants of Lipshitz--Ozsv\'ath--Thurston have a geometric interpretation as immersed multi-curves with local systems in the punctured torus according to the work of…

Geometric Topology · Mathematics 2025-01-13 Jesse Cohen , Gary Guth

We consider certain invariants of links in 3-manifolds, obtained by a specialization of the Turaev-Viro invariants of 3-manifolds, that we call colored Turaev-Viro invariants. Their construction is based on a presentation of a pair (M,L),…

Geometric Topology · Mathematics 2008-01-11 Ekaterina Pervova , Carlo Petronio

The object of this paper is to define a subcategory of the category of 3-cobordisms to which invariants of rational homology 3-spheres should generalize. We specify the notion of Topological Quantum Field Theory (in the sense of Atiyah) to…

Geometric Topology · Mathematics 2007-05-23 Dorin Cheptea , Thang T Q Le

In this paper, we establish a rigorous correspondence between the two tube algebras, that one comes from the Turaev-Viro-Ocneanu TQFT introduced by Ocneanu and another comes from the sector theory introduced by Izumi, and construct a…

Operator Algebras · Mathematics 2007-05-23 Nobuya Sato , Michihisa Wakui

We develop a current-based construction of generalized symmetries in $(3+1)$D twisted $BF$ topological quantum field theories (TQFTs), focusing on intrinsically non-invertible higher-form symmetries and their mixed anomalies. Starting from…

Strongly Correlated Electrons · Physics 2026-02-06 Zhi-Feng Zhang , Yizhou Huang , Qing-Rui Wang , Peng Ye

We calculate the RT-invariants of all oriented Seifert manifolds directly from surgery presentations. We work in the general framework of an arbitrary modular category as in [V. G. Turaev, Quantum invariants of knots and 3--manifolds, de…

Geometric Topology · Mathematics 2014-10-01 Soren Kold Hansen

We define an invariant, which we call surface-complexity, of compact 3-manifolds by means of Dehn surfaces. The surface-complexity is a natural number measuring how much the manifold is complicated. We prove that it fulfils interesting…

Geometric Topology · Mathematics 2025-01-03 Gennaro Amendola

We study the invariants of spin networks embedded in a three-dimensional manifold which are based on the path integral for SU(2) BF-Theory. These invariants appear naturally in Loop Quantum Gravity, and have been defined as spin-foam state…

General Relativity and Quantum Cosmology · Physics 2017-05-23 João Faria Martins , Aleksandar Mikovic

In this paper, we present a construction toward a new type of TQFTs at the crossroads of low-dimensional topology, algebraic geometry, physics, and homotopy theory. It assigns TMF-modules to closed 3-manifolds and maps of TMF-modules to…

Algebraic Topology · Mathematics 2025-09-17 Sergei Gukov , Vyacheslav Krushkal , Lennart Meier , Du Pei

In this short mostly expository note, we sketch a program for gauging fully extended topological field theories in 3 dimensions. One begins with the spherical fusion category with which one wants to do Levin-Wen or Turaev-Viro. One then…

Strongly Correlated Electrons · Physics 2016-06-09 Ammar Husain

We construct a functor which maps conjugate pseudo-Anosov automorphisms of a surface to the so-called stably isomorphic stationary AF-algebras; the functor gives new topological invariants of three dimensional manifolds coming from the…

Geometric Topology · Mathematics 2013-08-09 Igor Nikolaev

In this paper we develop the theory of finite-type invariants for homologically nontrivial 3-manifolds. We construct an infinite-dimensional affine space with a hypersurface in it corresponding to manifolds with Morse singularities.…

q-alg · Mathematics 2008-02-03 Nadya Shirokova

This elementary article introduces easy-to-manage invariants of genus one knots in homology 3-spheres. To prove their invariance, we investigate properties of an invariant of 3-dimensional genus two homology handlebodies called the…

Geometric Topology · Mathematics 2025-12-02 Christine Lescop