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The notion of a virtual knot introduced by L. Kauffman induces the notion of a virtual braid. It is closely related with a welded braid of R. Fenn, R. Rimanyi and C. Rourke. Alexander's and Markov's theorems for virtual knots and braids are…

Geometric Topology · Mathematics 2007-05-23 Seiichi Kamada

Construction of (colored) knot polynomials for double-fat graphs is further generalized to the case when "fingers" and "propagators" are substituting R-matrices in arbitrary closed braids with m-strands. Original version of arXiv:1504.00371…

High Energy Physics - Theory · Physics 2015-08-31 A. Mironov , A. Morozov

In this paper we prove a Markov Theorem for virtual braids and for some analogs of this structure. The virtual braid group is the natural companion in the category of virtual knots, just as the Artin braid group is the natural companion to…

Geometric Topology · Mathematics 2007-05-23 Louis H. Kauffman , Sofia Lambropoulou

Let $B_n$ denote the classical braid group on $n$ strands and let the {\em mixed braid group} $B_{m,n}$ be the subgroup of $B_{m+n}$ comprising braids for which the first $m$ strands form the identity braid. Let…

Geometric Topology · Mathematics 2007-05-23 Sofia Lambropoulou , Colin P. Rourke

This paper is a survey on the theory of knotoids and braidoids. Knotoids are open ended knot diagrams in surfaces and braidoids are geometric objects analogous to classical braids, forming a counterpart theory to the theory of knotoids in…

Geometric Topology · Mathematics 2019-03-06 Neslihan Gügümcü , Louis H. Kauffman , Sofia Lambropoulou

Braided deformations of (symmetric) monoidal categories are related to Vassiliev theory by a direct generalization of well-known results relating "quantum" knot invariants to Vassiliev invariants. The deformation theory of braidings is…

q-alg · Mathematics 2007-05-23 David N. Yetter

In the present paper, we introduce $\mathbb{Z}_2$-braids and, more generally, $G$-braids for an arbitrary group $G$. They form a natural group-theoretic counterpart of $G$-knots, see \cite{reidmoves}. The underlying idea, used in the…

Geometric Topology · Mathematics 2015-07-23 Denis Fedoseev , Vassily Manturov , Zhiyun Cheng

In this paper, we introduce twisted virtual doodles, defined as stable equivalence classes of immersed circles on closed surfaces that may be non-orientable. These objects admit planar representative diagrams, considered up to a suitable…

Geometric Topology · Mathematics 2025-11-13 Komal Negi , Mahender Singh

In 1997 M.~Khovanov proved that any doodle can be presented as closure of twin, this result is analogue of classical Alexander's theorem for braids and links. We give a description of twins that have equivalent closures, this theorem is…

Algebraic Topology · Mathematics 2018-07-18 Konstantin Gotin

In this survey paper we present the $L$--moves between braids and how they can adapt and serve for establishing and proving braid equivalence theorems for various diagrammatic settings, such as for classical knots, for knots in knot…

Geometric Topology · Mathematics 2011-03-24 Sofia Lambropoulou

Recent work suggests that topological features of certain quantum gravity theories can be interpreted as particles, matching the known fermions and bosons of the first generation in the Standard Model. This is achieved by identifying…

Algebraic Topology · Mathematics 2010-01-15 Sundance Bilson-Thompson , Jonathan Hackett , Louis H. Kauffman

We investigate the local contribution of the braid monodromy factorization in the context of the links obtained by the closure of these braids. We consider plane curves which are arrangements of lines and conics as well as some algebraic…

Algebraic Geometry · Mathematics 2014-05-13 Meirav Amram , Moshe Cohen , Mina Teicher

In order to obtain a Markov theorem without stabilization, Birman and Menasco introduced the notion of exchange related braids. In this paper I study the way the Fiedler polynomial distinguishes conjugacy classes of some particular braided…

Geometric Topology · Mathematics 2007-09-28 Radu Popescu

We construct new knot polynomials. Let $V$ be the standard solid torus in 3-space and let $pr$ be its standard projection onto an annulus. Let $M$ be the space of all smooth oriented knots in $V$ such that the restriction of $pr$ is an…

Geometric Topology · Mathematics 2007-05-23 Thomas Fiedler

The notion of a braided chord diagram is introduced and studied. An equivalence relation is given which identifies all braidings of a fixed chord diagram. It is shown that finite-type invariants are stratified by braid index for knots which…

Geometric Topology · Mathematics 2007-05-23 Joan S. Birman , Rolland Trapp

Classical knot theory deals with {\em diagrams} and {\em invariants}. By means of horizontal {\em trisecants}, we construct a new theory of classical braids with invariants valued in {\em pictures}. These pictures are closely related to…

Geometric Topology · Mathematics 2015-01-22 Vassily Olegovich Manturov

We develop a topological model of knots and links arising from a single (or multiple processive) round(s) of recombination starting with an unknot, unlink, or (2,m)-torus knot or link substrate. We show that all knotted or linked products…

Geometric Topology · Mathematics 2009-11-13 Dorothy Buck , Erica Flapan

Virtual singular braids are generalizations of singular braids and virtual braids. We define the virtual singular braid monoid via generators and relations, and prove Alexander- and Markov-type theorems for virtual singular links. We also…

Geometric Topology · Mathematics 2021-12-16 Carmen Caprau , Andrew de la Pena , Sarah McGahan

This is an expository article on diagrammatic representations of knots and links in various settings via braids.

Geometric Topology · Mathematics 2018-11-29 Sofia Lambropoulou

In this paper, we generalize the \textit{Clock Theorem} of Formal Knot Theory to knotoids in $S^2$. The clock theorem implies that clock states of a knotoid diagram form a lattice under transpositions. These states form the basis of many…

Geometric Topology · Mathematics 2025-09-29 Neslihan Gügümcü , Louis H. Kauffman