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arXiv research

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.

168,695 papers · 148 categories

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135269404538 · Jun 202019922001200920172026
48 results for polynomial spaces

Sharp upper bound for quasi polynomial degree of manifold configuration spaces.

problem Determining the exact degree of quasi-polynomial homology groups of configuration spaces.
method Analyzing extremal homology groups of unordered configuration spaces of manifolds.
result The upper bound for the degree of quasi-polynomials is sharp for every manifold.

The study classifies polynomial relation tubular surfaces in 3-spaces.

problem Classifying tubular surfaces with polynomial curvature relations.
method Analyzing polynomial relations between Gaussian and mean curvatures in Euclidean, hyperbolic, and Lorentzian 3-spaces.
result Determination of sets of polynomial relations for tubular surfaces.

Computed formulas for curvature operators and Poincaré polynomials of symmetric spaces.

problem Calculating curvature operators and Poincaré polynomials for symmetric spaces.
method Explicit formulas derived using quantum numbers and eigenvalue analysis.
result Maximum eigenvalue of curvature operators bounded by Einstein constant, with equality for Hermitian spaces.

Study on periodic knots, proving limitations on their Alexander polynomials.

problem Understanding Alexander polynomials of periodic knots.
method Polynomial factorization, number theory interpretation, computational methods.
result Alexander polynomials of freely periodic knots are restricted to products of cyclotomic polynomials.

We show how the Alexander polynomial of links in lens spaces is related to the classical Alexander polynomial of a link in the 3-sphere, obtained by cutting out the exceptional lens space fibre. It follows from these relationship that a certain normalization of the Alexander polynomial satisfies a skein relation in len…

2016-06-10abs ↗pdf ↗

The paper calculates the Hilbert polynomials for configuration spaces over graphs with a short circumference.

problem Calculating the Betti numbers of configuration spaces over graphs with a short circumference.
method Using a combinatorial approach based on the canonical 1-bridge decomposition of the graph.
result An expression for the Hilbert polynomial of a graph in terms of its canonical 1-bridge decomposition.

Homology groups of spaces of nonsingular polynomial embeddings R1Rn{\bf R}^1 \to {\bf R}^n of degrees 4\le 4 are calculated. A general algebraic technique of such calculations for spaces of polynomial knots of arbitrary degrees is described.

1995-05-05abs ↗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 ↗

Globalizes Jones and Alexander polynomials using topological intersections.

problem Link invariants from graded intersections of Lagrangians.
method Topological model proving the Jones polynomial's well-definedness and constructing globalizations.
result Proves the Jones polynomial and constructs globalizations of Jones and Alexander polynomials.

We consider the polynomial representation S(V*) of the rational Cherednik algebra H_c(W) associated to a finite Coxeter group W at constant parameter c. We show that for any degree d of W and nonnegative integer m the space S(V*) contains a single copy of the reflection representation V of W spanned by the homogeneous …

2011-10-10abs ↗pdf ↗

Ancient caloric functions on manifolds with polynomial growth are studied under volume doubling barrier.

problem Analyzing ancient caloric functions on manifolds beyond volume doubling.
method Time polynomial structure result on ancient caloric functions with polynomial growth.
result Finiteness result for ancient caloric functions is essentially sharp, except for multi-end cases.

The space C of conservative vertex colorings (over a field F) of a countable, locally finite graph G is introduced. The subspace of based colorings is shown to be isomorphic to the bicycle space of the graph. For graphs G with a free Z^d-action by automorphisms, C is a finitely generated module over the polynomial ring…

2014-08-27abs ↗pdf ↗

The paper shows neural networks can approximate functions over non-compact domains with non-polynomial activation.

problem Approximating functions over non-compact domains using neural networks.
method Using single-hidden-layer feedforward neural networks with non-polynomial activation functions over non-compact subsets of Euclidean spaces.
result Neural networks can approximate functions in weighted CkC^k-spaces and weighted Sobolev spaces over unbounded domains.

Study polynomial growth harmonic functions on infinite penny graphs.

problem Finite-dimensional property of polynomial growth harmonic functions on infinite penny graphs.
method Asymptotically sharp dimensional estimate for ancient solutions of the heat equation.
result Proved the asymptotically sharp dimensional estimate.

Unified quantum invariants via intersections of embedded Lagrangians.

problem Unified quantum invariants for Uq(sl(2))U_q(sl(2)).
method State sum of Lagrangian intersections in configuration spaces.
result Recovery of coloured Jones and Alexander polynomials.

Study on moduli spaces of Higgs bundles over Abelian varieties, focusing on their topology and polynomials.

problem Determine the topology and polynomials of moduli spaces of Higgs bundles over Abelian varieties.
method Analyzing the Poincaré polynomials and mixed Hodge polynomials of moduli spaces MAH(G)\mathcal{M}_{A}^{H}(G) for various groups G and dimensions d.
result Explicit formulas for Poincaré polynomials and mixed Hodge polynomials in specific cases, including rank 2 and 3 Higgs bundles.

New invariant from Viro's gl(1|1) polynomial distinguishes lens spaces.

problem Constructing a 3-manifold invariant from Viro's gl(1|1) polynomial.
method Following Costantino, Geer, and Patureau-Mirand's method in relative G-modular categories.
result The invariant can distinguish homotopy equivalent lens spaces.

Geodesics in jet space are constructed from polynomials, with some yielding globally minimizing paths.

problem Characterize geodesics in jet space and identify those that are globally minimizing.
method Sub-Riemannian geometry, Hamilton-Jacobi equations, and analysis of period degenerations.
result Some polynomials yield globally minimizing geodesics, with conjectures on the independence of cut time.

Study on polynomial growth functions and forms on gradient Ricci solitons.

problem Estimating dimensions of polynomial growth holomorphic functions and forms.
method Relating to spectral data of the ff-Laplacian, proving estimates under curvature assumptions.
result Sharp dimension estimates and almost sharp frequency estimates for polynomial growth holomorphic functions.

Study slice-regular polynomial functions via twistor space group actions.

problem Characterize slice-regular functions and their polynomial subclasses.
method Employ the twistor construction and group actions of PGL(2,H)\mathrm{PGL}(2,\mathbb{H}).
result Characterize slice-regular functions with planar twistor lifts and normal classes of polynomials.

We construct a 2-variable link polynomial, called WLW_L, for classical links by considering simultaneously the Kauffman state models for the Alexander and for the Jones polynomials. We conjecture that this polynomial is the product of two 1-variable polynomials, one of which is the Alexander polynomial. We refine WLW_L

2007-04-23abs ↗pdf ↗

The paper studies the n-loop Kontsevich invariant of knots with same Alexander polynomial.

problem Understanding the n-loop Kontsevich invariant for knots with identical Alexander polynomials.
method Analyzes the subspace generated by the n-loop Kontsevich invariant of knots with genus ≤ g and same Alexander polynomial.
result For n ≥ 2, the subspace is finite-dimensional.

We introduce polynomial processes taking values in an arbitrary Banach space BB via their infinitesimal generator LL and the associated martingale problem. We obtain two representations of the (conditional) moments in terms of solutions of a system of ODEs on the truncated tensor algebra of dual respectively bidual s…

2019-11-06abs ↗pdf ↗

Let LL be a oriented link such that Σn(L)Σ_n(L), the nn-fold cyclic cover of S3S^3 branched over LL, is an L-space for some n2n \geq 2. We show that if either LL is a strongly quasipositive link other than one with Alexander polynomial a multiple of (t1)2g(L)+(L1)(t-1)^{2g(L) + (|L|-1)}, or LL is a quasipositive link other than …

2017-10-20abs ↗pdf ↗

Study local moduli of Sasaki-Einstein metrics on specific polynomial links.

problem Understanding the local moduli of Sasaki-Einstein metrics on links of invertible polynomials.
method Analyzing Sasaki-Einstein metrics on links of invertible polynomials of cycle type and Thom-Sebastiani sums.
result For polynomials of cycle type, local moduli spaces are zero-dimensional. For Thom-Sebastiani sums, dimensions are positive.