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We develop a denotational semantics for general reference types in an impredicative version of guarded homotopy type theory, an adaptation of synthetic guarded domain theory to Voevodsky's univalent foundations. We observe for the first…

Logic in Computer Science · Computer Science 2023-11-22 Jonathan Sterling , Daniel Gratzer , Lars Birkedal

We use K-area homology to summarize some results about the Novikov conjecture and the Hirzebruch L-class. In fact, we provide necessary and sufficient conditions for closed manifolds to have a homotopy invariant L-class. In order to obtain…

Differential Geometry · Mathematics 2013-10-16 Mario Listing

We explore the complex associated to a link in the geometric formalism of Khovanov's (n=2) link homology theory, determine its exact underlying algebraic structure and find its precise universality properties for link homology functors. We…

Geometric Topology · Mathematics 2007-06-26 Gad Naot

We construct a combinatorial invariant of 3-orbifolds with singular set a link that generalizes the Turaev torsion invariant of 3-manifolds. We give several gluing formulas from which we derive two consequences. The first is an…

Geometric Topology · Mathematics 2016-02-03 Biji Wong

We propose a framework for unifying the sl(N) Khovanov-Rozansky homology (for all N) with the knot Floer homology. We argue that this unification should be accomplished by a triply graded homology theory which categorifies the HOMFLY…

Geometric Topology · Mathematics 2007-11-06 Nathan M. Dunfield , Sergei Gukov , Jacob Rasmussen

The structure of the Khovanov homology of $(n,m)$ torus links has been extensively studied. In particular, Marko Stosic proved that the homology groups stabilize as $m\rightarrow\infty$. We show that the Khovanov homotopy types of $(n,m)$…

Geometric Topology · Mathematics 2015-11-10 Michael Willis

We show that reduced Khovanov homology over any field is invariant under component-preserving Conway mutation. Our proof relies on strong geography restrictions for a certain Khovanov multicurve invariant associated with Conway tangles that…

Geometric Topology · Mathematics 2026-03-02 Artem Kotelskiy , Liam Watson , Claudius Zibrowius

In the previous paper we constructed the local system of Khovanov complexes on the Vassiliev space of knots and extended it to the singular locus. In this paper we introduce the definition of the homology theory (local system) of finite…

Geometric Topology · Mathematics 2008-03-11 Nadya Shirokova

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

We construct knot invariants categorifying the quantum knot variants for all representations of quantum groups. We show that these invariants coincide with previous invariants defined by Khovanov for sl(2) and sl(3) and by…

Geometric Topology · Mathematics 2013-05-06 Ben Webster

The WRT invariant of a link L in S2xS1 at sufficiently high values of the level r can be expresses as an evaluation of a special polynomial invariant of L at 2r-th root of unity. We categorify this polynomial invariant by associating to L a…

Geometric Topology · Mathematics 2010-11-10 Lev Rozansky

We define a link homology theory that is readily seen to be both isomorphic to reduced odd Khovanov homology and fully determined by data impervious to Conway mutation. This gives an elementary proof that odd Khovanov homology is mutation…

Geometric Topology · Mathematics 2009-03-27 Jonathan Bloom

We extend the covering of even and odd Khovanov link homology to tangles, using arc algebras. For this, we develop the theory of quasi-associative algebras and bimodules graded over a category with a 3-cocycle. Furthermore, we show that a…

Quantum Algebra · Mathematics 2021-03-09 Grégoire Naisse , Krzysztof Putyra

Khovanov-Floer theories are a class of homological link invariants which admit spectral sequences from Khovanov homology. They include Khovanov homology, Szab{\'o}'s geometric link homology, singular instanton homology, and various Floer…

Geometric Topology · Mathematics 2018-06-15 Adam Saltz

When restricted to alternating links, both Heegaard Floer and Khovanov homology concentrate along a single diagonal $\delta$-grading. This leads to the broader class of thin links that one would like to characterize without reference to the…

Geometric Topology · Mathematics 2024-05-22 Artem Kotelskiy , Liam Watson , Claudius Zibrowius

Asaeda-Przytycki-Sikora, Manturov, and Gabrov\v{s}ek extended Khovanov homology to links in $\mathbb{RP}^3$. We construct a Lee-type deformation of their theory, and use it to define an analogue of Rasmussen's s-invariant in this setting.…

Geometric Topology · Mathematics 2024-11-20 Ciprian Manolescu , Michael Willis

We put a new spin on Khovanov--Rozansky homology. That is, we equip $\Lambda^n$-colored $\mathfrak{sl}_{2n}$ Khovanov--Rozansky homology with an involution whose $\pm 1$-eigenspaces are link invariants. When $n=1,2,3$ (and assuming…

Quantum Algebra · Mathematics 2024-07-02 Elijah Bodish , Ben Elias , David E. V. Rose

We outline briefly results and examples related with the bijectivity of the norm residue homomorphism. We define norm varieties and describe some constructions. We discuss degree formulas which form a major tool to handle norm varieties.…

K-Theory and Homology · Mathematics 2007-05-23 Markus Rost

Early in the history of higher homotopy algebra, it was realized that Massey products are homotopy invariants in a special sense, but it was the work of Tornike Kadeisvili that showed they were but a shadow of an A-infinity-structure on the…

Algebraic Topology · Mathematics 2009-02-26 Jim Stasheff

Semitopological isomorphisms of topological groups were introduced by Arnautov, who posed several questions related to compositions of semitopological isomorphisms and the groups G (we call them Arnautov groups) such that for every group…

Group Theory · Mathematics 2011-05-19 Dikran Dikranjan , Anna Giordano Bruno
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