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We define homotopy-theoretic invariants of knots in prime 3-manifolds. Fix a knot J in a prime 3-manifold M. Call a knot K in M concordant to J if it cobounds a properly embedded annulus with J in MxI, and call K J-characteristic if there…

Geometric Topology · Mathematics 2011-11-01 Prudence Heck

Polynomial systems occur in many areas of science and engineering. Unlike general nonlinear systems, the algebraic structure enables to compute all solutions of a polynomial system. We describe our massive parallel predictor-corrector…

Mathematical Software · Computer Science 2015-05-05 Jan Verschelde , Xiangcheng Yu

Extreme deformations of the DNA double helix attracted a lot of attention during the past decades. Particularly, the determination of the persistence length of DNA with extreme local disruptions, or kinks, has become a crucial problem in…

Biological Physics · Physics 2018-10-30 Kyryło A. Simonov

The Kauffman-Harary conjecture states that for any reduced alternating diagram K of a knot with a prime determinant p, every non-trivial Fox p-coloring of K assigns different colors to its arcs. We generalize the conjecture by stating it in…

Geometric Topology · Mathematics 2015-05-27 Marta M. Asaeda , Jozef H. Przytycki , Adam S. Sikora

We prove the invariance of plurigenera under smooth projective deformations in full generality. The proof is done by several estimates of singular hermitian metrics in terms of $L^{2}$-extension theorem of holomorphic sections.

Algebraic Geometry · Mathematics 2007-05-23 Hajime Tsuji

In arXiv:1106.4305 extended superpolynomials were introduced for the torus links T[m,mk+r], which are functions on the entire space of time variables and, at expense of reducing the topological invariance, possess additional algebraic…

High Energy Physics - Theory · Physics 2015-06-03 A. Mironov , A. Morozov , Sh. Shakirov , A. Sleptsov

The interior polynomial is an invariant of (signed) bipartite graphs, and the interior polynomial of a plane bipartite graph is equal to a part of the HOMFLY polynomial of a naturally associated link. The HOMFLY polynomial $P_L(v,z)$ is a…

Combinatorics · Mathematics 2018-04-30 Keiju Kato

We prove a conjecture relating augmentation varieties to the large $N$ limit of Chern-Simons theory. Although this does not directly establish that the augmentation polynomial of a knot is the classical limit of a deformed…

Geometric Topology · Mathematics 2026-02-16 Ben Webster , Meri Zaimi

Ozsvath and Szabo defined an analog of the Froyshov invariant in the form of a correction term for the grading in Heegaard Floer homology. Applying this to the double cover of the 3-sphere branched over a knot K, we obtain an invariant…

Geometric Topology · Mathematics 2016-09-07 Ciprian Manolescu , Brendan Owens

Considering commutator monomials of the non-commutative associative variables $X_1,\ldots,X_n$; we determine the maximal possible number of alternating associative monomials in their noncommutative polynomial expansions. This is achieved by…

Combinatorics · Mathematics 2024-02-14 Gyula Lakos

An invariant of knots is constructed from an integral for geometric braids due to Kohno and Kontsevich. It takes values in a quotient by a certain ideal of the algebra generated by chord diagrams over the circle.

q-alg · Mathematics 2008-02-03 Roger Picken

Conformally invariant functionals on the space of knots are introduced via extrinsic conformal geometry of the knot and integral geometry on the space of spheres. Our functionals are expressed in terms of a complex-valued 2-form which can…

Geometric Topology · Mathematics 2016-03-21 R. Langevin , J. O'Hara

In this survey we summarize results regarding the Kauffman bracket, HOMFLYPT, Kauffman 2-variable and Dubrovnik skein modules, and the Alexander polynomial of links in lens spaces, which we represent as mixed link diagrams. These invariants…

Geometric Topology · Mathematics 2018-08-17 Boštjan Gabrovšek , Eva Horvat

We present a notion of mutation of hyperbolic polyhedra, analogous to mutation in knot theory, and then present a general question about commensurability of mutant pairs of polyhedra. We motivate that question with several concrete examples…

Geometric Topology · Mathematics 2019-06-21 Croix Gyurek , Roland Roeder

We give a complete classification of homomorphisms from the braid group on $n$ strands to the braid group on $2n$ strands when $n$ is at least 5. We also classify endomorphisms of the braid group on 4 strands, as well as homomorphisms from…

Geometric Topology · Mathematics 2023-05-16 Lei Chen , Kevin Kordek , Dan Margalit

Hilbert scheme topological invariants of plane curve singularities are identified to framed threefold stable pair invariants. As a result, the conjecture of Oblomkov and Shende on HOMFLY polynomials of links of plane curve singularities is…

Algebraic Geometry · Mathematics 2012-11-13 D. -E. Diaconescu , Z. Hua , Y. Soibelman

The evolution kernels that govern the scale dependence of the generalized parton distributions are invariant under transformations of the $\mathrm{SL}(2,\mathrm R)$ collinear subgroup of the conformal group. Beyond one loop the symmetry…

High Energy Physics - Phenomenology · Physics 2024-04-01 Yao Ji , Alexander Manashov , Sven-Olaf Moch

Homomorphisms on quandle cohomology groups that raise the dimensions by one are studied in relation to the cocycle state-sum invariants of knots and knotted surfaces. Skein relations are also studied.

Geometric Topology · Mathematics 2007-05-23 J. Scott Carter , Daniel Jelsovsky , Seiichi Kamada , Masahico Saito

We refine Khovanov homology in the presence of an involution on the link. This refinement takes the form of a triply-graded theory, arising from a pair of filtrations. We focus primarily on strongly invertible knots and show, for instance,…

Geometric Topology · Mathematics 2021-07-21 Andrew Lobb , Liam Watson

We prove that the HOMFLYPT polynomial of a link, colored by partitions with a fixed number of rows is a $q$-holonomic function. Specializing to the case of knots colored by a partition with a single row, it proves the existence of an…

Geometric Topology · Mathematics 2018-05-31 Stavros Garoufalidis , Aaron D. Lauda , Thang T. Q. Lê