Zeroth HOMFLY polynomial coefficients can't tell mutant knots apart.
problem Mutants in knots cannot be distinguished by the zeroth coefficient of colored HOMFLY polynomials.
method Examined the cables of the HOMFLY polynomial to show invariance of the zeroth coefficient.
result The zeroth coefficient of the colored HOMFLY polynomial is invariant to mutation.
In this paper, we study the properties of the colored HOMFLY polynomials via HOMFLY skein theory. We prove some limit behaviors and symmetries of the colored HOMFLY polynomial predicted in some physicists' recent works.
New HOMFLY-PT homology detects non-braidlike isotopies in link diagrams.
problem Invariance of HOMFLY-PT homology under all Reidemeister moves.
method Virtual crossing filtrations and deformed HOMFLY-PT polynomial.
result HOMFLY-PT homology is not invariant of virtual links.
Computes knot types using HOMFLY-PT polynomial.
problem Determining chiral knot and link types with small crossing numbers.
method Uses the HOMFLY-PT polynomial to compute knot types from 3D coordinates.
result Efficacy of HOMFLY-PT for knot types up to crossing number 16.
We define and calculate the HOMFLY polynomial for a specific type of quiver.
problem Calculating the HOMFLY polynomial for forest quivers.
method Recursive definition and closed-form expression for forest quivers.
result Closed-form expression for the HOMFLY polynomial of a forest quiver.
The paper introduces new structures for colored HOMFLY-PT invariants using skein theory.
problem Proving strong integrality and deriving symmetric properties for HOMFLY-PT invariants.
method Purely using HOMFLY-PT skein theory and applying to LMOV conjecture.
result Strong integrality and symmetric properties for colored HOMFLY-PT invariants.
Formula for HOMFLY polynomial in link diagrams.
problem Calculating HOMFLY polynomial for link diagrams.
method Introduced a class of link diagrams, including closed braids, and proved a generalized full-twist formula.
result Generalized formula for HOMFLY polynomial in new class of link diagrams.
New algorithm for HOMFLY-PT polynomial reduces computation time.
problem Computing HOMFLY-PT polynomial is #P-hard.
method Fixed-parameter tractability in treewidth.
result HOMFLY-PT polynomial can be computed efficiently using sub-exponential time algorithm.
We extend a mod 2 relation between the Kauffman and Homfly polynomials, first observed by Rudolph in 1987, to the general Kauffman and Homfly satellite invariants.
Following the recent work by T.-H. Chan in [HOMFLY polynomial of some generalized Hopf links, J. Knot Theory Ramif. 9 (2000) 865--883] on reverse string parallels of the Hopf link we give an alternative approach to finding the Homfly polynomials of these links, based on the Homfly skein of the annulus. We establish tha…
We derive formulas for HOMFLY polynomials of torus links using braid groups and linear recurrences.
problem Calculating HOMFLY polynomials for torus links.
method Using braid groups and linear recurrences, derived from the skein relation.
result Explicit formulas for HOMFLY polynomials of torus links T(3,n) and T(−3,n) are derived. Proved cyclotomic expansion for double twist knots' HOMFLY-PT invariants.
problem Proving cyclotomic expansion for colored HOMFLY-PT invariants of double twist knots.
method Cyclotomic expansion formula for double twist knots.
result Confirmed cyclotomic expansion conjecture for SU(N)-invariants.
Colored HOMFLY-PT invariant, the generalization of the colored Jones polynomial, is one of the most important quantum invariants of links. This paper is devoted to investigating the basic structures of the colored HOMFLY-PT invariants of links. By using the HOMFLY-PT skein theory, firstly, we show that the (reformulate…
Computations for prime knots up to 11 crossings.
problem Computing HOMFLY homology for prime knots.
method Direct computations for all prime knots up to 11 crossings.
result HOMFLY homology determined for all prime knots up to 11 crossings.
Study on factorizations of knot polynomials for up to 12 crossings.
problem Understanding factorizations of HOMFLY polynomials for knots and links.
method Computer analysis of knots up to 12 crossings; irreducibility criterion for 2-connected plane graphs.
result Found 17 non-trivial factorizations of knots with up to 12 crossings.
New homologies prove colored HOMFLY-PT growth.
problem Understanding colored HOMFLY-PT homologies growth.
method Defining reduced colored sl(N) and HOMFLY-PT homologies, using spectral sequences.
result Prove growth of colored HOMFLY-PT homologies.
Conjectures closed-form expressions and cyclotomic expansions for knot invariants.
problem Calculating HOMFLY-PT invariants of knots colored by rectangular diagrams.
method Interpolation Macdonald polynomials and cyclotomic expansions.
result Conjectured closed-form expressions and cyclotomic expansions for knot invariants.
Mutant knots, in the sense of Conway, are known to share the same Homfly polynomial. Their 2-string satellites also share the same Homfly polynomial, but in general their m-string satellites can have different Homfly polynomials for m>2. We show that, under conditions of extra symmetry on the constituent 2-tangles, the…
Let β be a braid on n strands, with exponent sum w. Let Δ be the Garside half-twist braid. We prove that the coefficient of vw−n+1 in the Homfly polynomial of the closure of β agrees with (−1)n−1 times the coefficient of vw+n2−1 in the Homfly polynomial of the closure of βΔ2. This coinciden…
Spectral sequence links knot Floer homology to HOMFLY-PT polynomial.
problem Connecting knot Floer homology to HOMFLY-PT polynomial.
method Constructing a spectral sequence from cube of resolutions.
result Spectral sequence converges to knot Floer homology and ranks HOMFLY-PT homology.
We collect some examples showing that some Vassiliev invariants are not obtainable from the HOMFLY and Kauffman polynomials in the real sense, namely, that they distinguish knots not distinguishable by the HOMFLY and/or Kauffman polynomial.
This paper studies HOMFLY polynomials of specific and infinite classes of knots.
problem Computing HOMFLY polynomials in general is difficult; this paper examines specific cases.
method Examined two specific knots and a general infinite class of knots.
result Observed apparent patterns in the polynomials of specific knots and conjectured properties of the general class.
Proved colored HOMFLY-PT polynomials for specific knots.
problem Calculating colored HOMFLY-PT polynomials for specific knots.
method Rigorous mathematical proof for trefoil, figure-eight, and twist knots.
result Colored HOMFLY-PT polynomials expressed as sums for different knots.
Extends interior polynomial to signed bipartite graphs and connects to HOMFLY polynomial.
problem Invariants of signed bipartite graphs and their relation to HOMFLY polynomial.
method Extending interior polynomial to signed bipartite graphs and showing equality to HOMFLY polynomial part.
result Interior polynomial of signed bipartite graphs equals part of HOMFLY polynomial for planar case.
New method for calculating HOMFLY polynomials in symmetric representations.
problem Calculating HOMFLY polynomials for symmetric representations.
method Planar decomposition and projection to symmetric representations.
result Restoration of planarity and new insights into HOMFLY polynomials.
We illustrate from the viewpoint of braiding operations on WZNW conformal blocks how colored HOMFLY polynomials with multiplicity structure can detect mutations. As an example, we explicitly evaluate the (2,1)-colored HOMFLY polynomials that distinguish a famous mutant pair, Kinoshita-Terasaka and Conway knot.
New bounds on HOMFLY polynomial for homogeneous links.
problem Bounding the minimum v-degree of HOMFLY polynomial for homogeneous links. method Proved a slice version of Cromwell's inequality and a related conjecture.
result New bounds on the minimum v-degree of HOMFLY polynomial for homogeneous links. Turning the skein relation for HOMFLY into a Fibonacci recurrence, we prove that there are only three rational specializations of HOMFLY polynomial: Alexander-Conway, Jones, and a new one. Using the recurrence relation, we find general and relative expansion formulae and rational generating functions for Alexander-Conw…
Study HOMFLY-PT homology structure for knots up to 11 crossings.
problem Understanding the structure of HOMFLY-PT homology for knots.
method Using Nakagane and Sano's knot data and the sl(2) action, compute HOMFLY-PT S-invariant and compare to sl(N) invariants. result Computed HOMFLY-PT S-invariant for all knots in the dataset. Topological model created for HOMFLY-PT polynomial from link diagrams.
problem Constructing categorifications for HOMFLY-PT polynomial.
method Explicit Lagrangian submanifolds on Heegaard surfaces.
result Invariants derived from link diagrams are given by intersections of submanifolds.
Proves strong integrality for colored HOMFLYPT invariants.
problem Proving strong integrality for colored HOMFLYPT invariants.
method Using HOMFLY skein theory.
result Strong integrality theorem for reduced colored HOMFLYPT invariants.
Study on knot polynomial's asymptotic behavior for figure eight.
problem Investigating the asymptotic behavior of colored HOMFLY polynomial for figure eight knot.
method Establishing an asymptotic expansion for the colored HOMFLY polynomial.
result Showed that Chern-Simons invariants and twisted Reidemeister torsion can be derived from the polynomial.
Given a planar curve singularity, we prove a conjecture of Oblomkov-Shende, relating the geometry of its Hilbert scheme of points to the HOMFLY polynomial of the associated algebraic link. More generally, we prove an extension of this conjecture, due to Diaconescu-Hua-Soibelman, relating stable pair invariants on the c…
Proves a conjecture linking knot Floer homology and HOMFLY-PT homology for singular knots.
problem Proving a conjecture about the relationship between knot Floer homology and HOMFLY-PT homology for singular knots.
method Using a basepoint filtration, a recursion formula, and additional sln-like differentials, the authors prove the conjecture. result The conjecture linking knot Floer homology and HOMFLY-PT homology for singular knots is proven.
In this paper, I give a method to calculate the HOMFLY polynomials of knots by using a representation of the braid group B4 into a group of 3 ? 3 matrices. Also, I will give examples of a 2-bridge knot and a 3-bridge knot that have the same Jone polynomial, but different HOMFLY polynomials.
Formula for Dehn twists on HOMFLY-PT skein modules with applications.
problem Understanding the action of Dehn twists on HOMFLY-PT skein modules.
method Introduced a formula for the action of Dehn twists on the HOMFLY-PT type skein module of a surface.
result Constructed an invariant \( z(M) \) for integral homology 3-spheres, finite type invariant of order \( n \).
In \cite{GZ}, Gilmer and Zhong established the existence of an invariant for links in S1×S2 which is a rational function in variables a and s and satisfies the HOMFLY-PT skein relations. We give formulas for evaluating this invariant in terms of a standard, geometrically simple basis for the HOMFLY-PT ske…
We show that for a special alternating link diagram, the following three polynomials are essentially the same: a) the part of the HOMFLY polynomial that corresponds to the leading term in the Alexander polynomial; b) the h-vector for a triangulation of the root polytope of the Seifert graph and c) the enumerator of p…
Constructs y-ifications of Khovanov homology and proves compatibility with HOMFLY--PT.
problem Distinguishing knots with identical Khovanov and HOMFLY--PT homologies.
method Elementary construction within Bar-Natan's framework for tangles, defining e-action on y-ifications. result New structures distinguish knots with identical homologies, e.g., Conway and Kinoshita-Terasaka knots.
The colored HOMFLY polynomial is the quantum invariant of oriented links in S3 associated with irreducible representations of the quantum group Uq(slN). In this paper, using an approach to calculate quantum invariants of links via cabling-projection rule, we derive a formula for the colored HOMFLY polyn…
A new method calculates HOMFLY-PT polynomials for bipartite links.
problem Computing HOMFLY-PT polynomials for bipartite links efficiently.
method Generalizes Goeritz matrix method for bipartite links.
result Reduces HOMFLY-PT polynomial calculation to matrix algebra.
Study improves HOMFLY polynomial coefficients for positive braid links.
problem Determining HOMFLY polynomial coefficients for positive braid links.
method Using geometric invariants like maximum Euler characteristics, number of split and prime factors.
result Improvements in known results for Conway and Jones polynomials of positive braid links.
Using the correspondence between Chern-Simons theories and Wess-Zumino-Witten models we present the necessary tools to calculate colored HOMFLY polynomials for hyperbolic knots. For two-bridge hyperbolic knots we derive the colored HOMFLY invariants in terms of crossing matrices of the underlying Wess-Zumino-Witten mod…
We compute q-holonomic formulas for the HOMFLY polynomials of 2-bridge links colored with one-column (or one-row) Young diagrams.
Researchers conjecture HOMFLY polynomial for figure eight knot.
problem Finding HOMFLY polynomial for figure eight knot.
method Differential expansion for Wilson loop averages, focusing on rectangular representations.
result Conjecture for rectangularly colored HOMFLY polynomial of figure eight knot.
Novel symmetry found in colored HOMFLY polynomials from superalgebras.
problem Understanding symmetries in colored HOMFLY polynomials.
method Exploring the sl(N∣M) superalgebra to find a symmetry. result A symmetry relating polynomials colored by different representations.
New categorification method for infinite braids.
problem Categorifying highest-weight projectors for infinite braids.
method Limiting colored Khovanov-Rozansky homology of infinite braids.
result Partial isomorphism between HOMFLY-PT homology of braids and infinite torus knots.
Knot diagrams can have isomorphic homologies, challenging HOMFLY-PT theory.
problem Non-determinacy of HOMFLY-PT homology for knot diagrams.
method Expands on Abel's method [Abe17].
result Isomorphic homologies for non-deterministic knot diagrams.