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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,657 papers · 148 categories

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4284125167 · May 202619922001200920172026
48 results for polynomial zeros

In this paper, we study distribution of the zeros of the Alexander polynomials of knots and links in S^3. We call a knot or link "real stable" (resp. "circular stable") if all the zeros of its Alexander polynomial are real (resp. unit complex). We give a general construction of real stable and circular stable knots and…

2013-07-05abs ↗pdf ↗

Alexander polynomial degree correlates with knot defect, proving conjecture for defect zero.

problem Characterizing knot polynomials and their defects.
method Analyzing differential expansions and degree in q±2q^{\pm 2} of Alexander polynomials.
result Proved Alexander polynomial degree correlates with knot defect, especially for defect zero.

Jones polynomials for knots and links with many crossings calculated efficiently.

problem Computing Jones polynomials for knots and links with a large number of crossings.
method Calculating Tutte polynomials for associated graphs and evaluating with specific substitutions.
result Jones polynomials for knots and links with many crossings calculated efficiently.

No regular algebraic hypersurfaces with non-zero constant mean curvature in Euclidean spaces are found.

problem Existence of regular algebraic hypersurfaces with non-zero constant mean curvature in Euclidean spaces.
method Analyzing polynomials defining hypersurfaces of various degrees and shapes.
result Hyperspheres and round cylinders are the only such hypersurfaces defined by polynomials of degree ≤3.

Study of Alexander polynomials of torus knots and links, showing zeros equidistribute on unit circle.

problem Analyzing asymptotic behavior and distribution of zeros of Alexander polynomials of torus knots.
method Equidistribution analysis, moment sequence, Iwasawa theory, logarithmic Mahler measure.
result Zeros of Alexander polynomials of torus knots and links become equidistributed on the unit circle as p, q → ∞.

In this work we describe a new invariant of virtual knots. We show that this transcendental function invariant generalizes several polynomial invariants of virtual knots, such as the writhe polynomial, the affine index polynomial and the zero polynomial.

2015-11-26abs ↗pdf ↗

This article contains general formulas for Tutte and Jones polynomials for families of knots and links given in Conway notation and "portraits of families"-- plots of zeroes of their corresponding Jones polynomials.

2010-04-24abs ↗pdf ↗

Ozsváth-Szabó proved the property that any coefficient of Alexander polynomial of lens space knot is either ±1\pm1 or 00 and the non-zero coefficients are alternating. Combining the formulas of the Alexander polynomial of lens space knots due to Kadokami-Yamada and Ichihara-Saito-Teragaito, we refine Ozsváth-Szabó's p…

2014-09-24abs ↗pdf ↗

We generalize a theorem of Burde and de Rham characterizing the zeros of the Alexander polynomial. Given a representation of a knot group ππ, we define an extension of ππ, the Crowell group. For any GL(n,C) representation of ππ, the zeros of the associated twisted Alexander polynomial correspond to representations o…

2009-08-16abs ↗pdf ↗

Origami structures are enumerated and shown to be quantum modular.

problem Counting and understanding origami structures with real structures.
method Using combinatorics of zonal polynomials and Schur polynomials, and relating to quantum modular forms and double Hurwitz numbers.
result The generating functions of certain origami structures are quantum modular forms.

Paper corrects a proof about biharmonic hypersurfaces with three distinct curvatures.

problem Proving constant mean curvature for biharmonic hypersurfaces with three distinct principal curvatures.
method Analyzing the resultant of polynomials to identify a special case.
result In the special case, the hypersurface still has constant mean curvature.

Study on Jones polynomials and their roots in the unit circle and complex plane.

problem Understanding the roots of Jones polynomials for knots and links.
method Analyzing solutions of the equation JK(t)=1J_K(t)=1 for double-twist knots and links.
result The set of solutions to JKn(t)=1J_{K_n}(t)=1 is dense in the unit circle and complex plane.

We express the coefficients of the Hirzebruch L-polynomials in terms of certain alternating multiple zeta values. In particular, we show that every monomial in the Pontryagin classes appears with a non-zero coefficient, with the expected sign. Similar results hold for the polynomials associated to the A-hat genus.

2017-08-18abs ↗pdf ↗

This paper gives a polynomial invariant for flat virtual links. In the case of one component, the polynomial specializes to Turaev's virtual string polynomial. We show that Turaev's polynomial has the property that it is non-zero precisely when there is no filamentation of the knot, as described by Hrencecin and Kauffm…

2005-12-04abs ↗pdf ↗

Paper discusses groups where twisted Alexander polynomials vanish.

problem Understanding groups with vanishing twisted Alexander polynomials.
method Introduced and studied twisted Alexander vanishing groups, constructed knots, and analyzed representations.
result Every faithful irreducible representation of a TAV group causes the twisted Alexander polynomial to be zero.

We present formulae for computing the Yamada polynomial of spatial graphs obtained by replacing edges of plane graphs, such as cycle-graphs, theta-graphs, and bouquet-graphs, by spatial parts. As a corollary, it is shown that zeros of Yamada polynomials of some series of spatial graphs are dense in a certain region in …

2018-01-27abs ↗pdf ↗

We provide necessary conditions for the Alexander polynomials of algebraically split component-preservingly amphicheiral links. We raise a conjecture that the Alexander polynomial of an algebraically split component-preservingly amphicheiral link with even components is zero. Our necessary conditions and some examples …

2011-07-02abs ↗pdf ↗

The vanishing ideal is a set of polynomials that takes zero value on the given data points. Originally proposed in computer algebra, the vanishing ideal has been recently exploited for extracting the nonlinear structures of data in many applications. To avoid overfitting to noisy data, the polynomials are often designe…

2018-01-29abs ↗pdf ↗

We prove an explicit cabling formula for the colored Jones polynomial. As an application we prove the volume conjecture for all zero volume knots and links, i.e. all knots and links that are obtained from the unknot by repeated cabling and connected sum.

2008-07-17abs ↗pdf ↗

Associated with each oriented link is the two variable Homflypt polynomial. The Morton-Franks-Williams (MFW) inequality gives rise to an expression for the Homflypt polynomial with MFW coefficient polynomials. These MFW coefficient polynomials are labelled in a braid-dependent manner and may be zero, but display a numb…

2010-09-26abs ↗pdf ↗

Let MnM_n be a homology 3-sphere obtained by 1n\frac1n-Dehn surgery along a (p,q)(p,q)-torus knot. We consider a polynomial σ(p,q,n)(t)σ_{(p,q,n)}(t) whose zeros are the inverses of the Reideimeister torsion of MnM_n for SL(2;C)\mathit{SL}(2;\mathbb{C})-irreducible representations. We give an explicit formula of this polynomial by usin…

2016-01-04abs ↗pdf ↗

Study on spatial graphs and their constituent knots, linking polynomial invariants.

problem Understanding the polynomial invariants of spatial graphs and their constituent knots.
method Analyzing spatial K4K_4 graphs, constructing band surfaces, and relating polynomials.
result Relations between Yamada/Jaeger polynomials and Jones polynomials of constituent knots and associated links.

We will prove that \emph{there are no stable complete hypersurfaces of R4\mathbb{R}^4 with zero scalar curvature, polynomial volume growth and such that (K)H3c>0\dfrac{(-K)}{H^3}\geq c>0 everywhere, for some constant c>0c>0}, where KK denotes the Gauss-Kronecker curvature and HH denotes the mean curvature of the immersion. …

2013-05-24abs ↗pdf ↗

We present a new family of zero-field Ising models over NN binary variables/spins obtained by consecutive "gluing" of planar and O(1)O(1)-sized components and subsets of at most three vertices into a tree. The polynomial-time algorithm of the dynamic programming type for solving exact inference (computing partition func…

2019-10-22abs ↗pdf ↗

The paper equidistributes zeros of random polynomials and sections on manifolds.

problem Equidistribution of zeros of random polynomials and sections on manifolds.
method Weighted pluripotential theory, asymptotic Bernstein-Markov measures, variance estimation.
result Equidistribution holds for non-i.i.d. random coefficients and non-homogeneous manifolds.

We prove a linear in degω\degω upper bound on the number of real zeros of the Abelian integral I(t)=δ(t)ωI(t)=\int_{δ(t)}ω, where δ(t)R2δ(t)\subset\R^2 is the real oval x2y(1xy)=tx^2y(1-x-y)=t and ωω is a one-form with polynomial coefficients.

2009-03-29abs ↗pdf ↗

In this article, we explore a class of tractable interest rate models that have the property that the price of a zero-coupon bond can be expressed as a polynomial of a state diffusion process. Our results include a classification of all such time-homogeneous single-factor models in the spirit of Filipovic's maximal deg…

2015-04-13abs ↗pdf ↗

In this paper we prove some results concerning stability of hypersurfaces in the four dimensional Euclidean space with zero scalar curvature. First we prove there is no complete stable hypersurface with zero scalar curvature, polynomial growth of integral of the mean curvature, and with the Gauss-Kronecker curvature bo…

2015-10-13abs ↗pdf ↗

We call an Ising model tractable when it is possible to compute its partition function value (statistical inference) in polynomial time. The tractability also implies an ability to sample configurations of this model in polynomial time. The notion of tractability extends the basic case of planar zero-field Ising models…

2018-12-22abs ↗pdf ↗

We consider regular surfaces MM that are given as the zeros of a polynomial function p:R3Rp:R^3\rightarrow R, where the gradient of pp vanishes nowhere. We assume that MM has non-zero mean curvature and prove that there exist only two examples of such surfaces, namely the sphere and the circular cylinder.

2014-03-27abs ↗pdf ↗

We study the uniqueness of a vortex equation involving an entire function on the complex plane. As geometric applications, we show that there is a unique harmonic map u:CH2u:\mathbb{C}\rightarrow \mathbb{H}^2 satisfying u0\partial u\neq 0 with prescribed polynomial Hopf differential; there is a unique affine spherical imm…

2017-10-30abs ↗pdf ↗

Study eight categorifications of colored Jones polynomial, verifying physics conjectures.

problem Categorification of colored Jones polynomial and its applications.
method Comparison of eight finite-dimensional categorifications and verification of conjectures.
result Isomorphic results over a field of characteristic zero and closed formula for Poincaré series.

We establish a quadratic identity for the Yamada polynomial of ribbon cubic graphs in 3-space, extending the Tutte golden identity for planar cubic graphs. An application is given to the structure of the flow polynomial of cubic graphs at zero. The golden identity for the flow polynomial is conjectured to characterize …

2018-01-01abs ↗pdf ↗

We describe an algorithm that for every given braid BB explicitly constructs a function f:C2Cf:\mathbb{C}^{2}\rightarrow\mathbb{C} such that ff is a polynomial in uu, vv and v\overline{v} and the zero level set of ff on the unit three-sphere is the closure of BB. The nature of this construction allows us to prove c…

2016-12-19abs ↗pdf ↗

Polynomial time algorithm learns depth-2 neural networks with ReLU activations.

problem Learning depth-2 neural networks with non-zero bias terms and general ReLU activations.
method Robust tensor decomposition of Hermite expansions.
result Polynomial time and sample efficient learning of depth-2 networks with ReLU activations.

A long-standing open problem is to determine for which values of n the Burau representation Psi_n of the braid group B_n is faithful. Following work of Moody, Long-Paton, and Bigelow, the remaining open case is n = 4. One criterion states that Psi_n is unfaithful if and only if there exists a pair of arcs in the n-punc…

2016-10-14abs ↗pdf ↗