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Related papers: Note on symmetric BCJ numerator

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In a recent article, Apagodu and Zeilberger (http://arxiv.org/abs/1606.03351)discuss some applications of an algorithm for finding and proving congruence identities (modulo primes) of indefinite sums of many combinatorial sequence. At the…

Number Theory · Mathematics 2016-07-11 Tewodros Amdeberhan , Roberto Tauraso

We propose a computationally feasible estimator for the needlet trispectrum, which develops earlier work on the bispectrum by Donzelli et al. (2012). Our proposal seems to enjoy a number of useful properties, in particular a) the…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-03 Antonino Troja , Simona Donzelli , Davide Maino , Domenico Marinucci

We formulate a method to solve the coordinate space Faddeev equations for positive energies. The method employs hyperspherical coordinates and analytical expressions for the effective potentials at large distances. Realistic computations of…

Nuclear Theory · Physics 2009-10-30 A. Cobis , D. V. Fedorov , A. S. Jensen

We prove the existence of quadratic polynomials having a Julia set with positive Lebesgue measure in three cases: the presence of a Cremer fixed point, the presence of a Siegel disk, the presence of infinitely many (satellite)…

Dynamical Systems · Mathematics 2008-02-05 Xavier Buff , Arnaud Cheritat

We prove several evaluations of determinants of matrices, the entries of which are given by the recurrence $a_{i,j}=a_{i-1,j}+a_{i,j-1}$, or variations thereof. These evaluations were either conjectured or extend conjectures by Roland…

Combinatorics · Mathematics 2007-05-23 Christian Krattenthaler

Heckman and Opdam introduced a non-symmetric analogue of Jack polynomials using Cherednik operators. In this paper, we derive a simple recursion formula for these polynomials and formulas relating the symmetric Jack polynomials with the…

q-alg · Mathematics 2008-02-03 Friedrich Knop , Siddhartha Sahi

We introduce the notion of metric Lie algebras of Killing type, which are characterized by the fact that all conformal Killing symmetric tensors are sums of Killing tensors and multiples of the metric tensor. We show that if a Lie algebra…

Differential Geometry · Mathematics 2023-05-02 Viviana del Barco , Andrei Moroianu

We propose to parametrize the configuration space of one-dimensional quantum systems of N identical particles by the elementary symmetric polynomials of bosonic and fermionic coordinates. It is shown that in this parametrization the…

High Energy Physics - Theory · Physics 2009-10-30 Lars Brink , Alexander Turbiner , Niclas Wyllard

We propose a quantum algorithm for approximately counting the number of solutions to planar 2-satisfiability (2SAT) formulas natively on neutral atom quantum computers. Our algorithm maps Boolean variables to atomic registers arranged in…

Quantum Physics · Physics 2025-06-25 Joseph Gibson , Victor Drouin-Touchette , Stefanos Kourtis

A. Mukhopadhyay, M. R. Murty and K. Srinivas (http://arxiv.org/abs/0808.0418) have recently studied various arithmetic properties of the discriminant $\Delta_n(a,b)$ of the trinomial $f_{n,a,b}(t) = t^n + at + b$, where $n \ge 5$ is a fixed…

Number Theory · Mathematics 2008-11-11 I. E. Shparlinski

We consider a model of strongly correlated electrons in 1D called the t-J model, which was solved by graded algebraic Bethe ansatz. We use it to design graded tensor networks which can be contracted approximately to obtain a Matrix Product…

Strongly Correlated Electrons · Physics 2015-05-27 You Quan Chong , Valentin Murg , Vladimir Korepin , Frank Verstraete

The Boolean product $R = P \cdot Q$ of two $\{ 0, 1\} \; m \times m \; $ matrices is $$R(j,k) = 1 \; \mathrm{\ IF\ for\ some\ } \; t \; \,P(j, t) = Q(t, k) = 1\; \; \mathrm{ELSE\ } \, R(j, k) = 0. $$ The near-optimal design reduces the…

Combinatorics · Mathematics 2018-08-27 Eli Shamir

General approach to the multiplication or adjoint operation of $2\times 2$ block operator matrices with unbounded entries are founded. Furthermore, criteria for self-adjointness of block operator matrices based on their entry operators are…

Functional Analysis · Mathematics 2014-04-01 Guohai Jin , Alatancang Chen

We study and compute supersymmetric observables for line defects in 3d $\mathcal{N}\ge4$ theories. Our setup is a novel supersymmetric configuration involving line operators and local operators living on a linked circle. The algebra of the…

High Energy Physics - Theory · Physics 2023-10-19 Luigi Guerrini

We give a construction for three parameter family of Jack polynolials for the root system $BC_n$ through the generalized spherical functions on the symmetric space $GL(m+n)/GL(m)\times GL(n)$.

Representation Theory · Mathematics 2007-05-23 Alexei Oblomkov

A classical 6j-symbol is a real number which can be associated to a labelling of the six edges of a tetrahedron by irreducible representations of SU(2). This abstract association is traditionally used simply to express the symmetry of the…

Mathematical Physics · Physics 2014-11-11 Justin Roberts

Let C be a proper, integral, locally planar curve, and consider its Hilbert schemes of points C^[n]. We define 4 creation/annihilation operators acting on the rational homology groups of these Hilbert schemes and show that the operators…

Algebraic Geometry · Mathematics 2015-08-06 Jørgen Vold Rennemo

A method is developed to compute analytically fully symmetric cubature rules on the triangle by using symmetric polynomials to express the two kinds of invariance inherent in these rules. Rules of degree up to 15, some of them new and of…

Numerical Analysis · Mathematics 2011-11-17 Stefanos-Aldo Papanicolopulos

In this paper, we prove that any collocation matrix of Bessel polynomials at positive points is strictly totally positive, that is, all its minors are positive. Moreover, an accurate method to construct the bidiagonal factorization of these…

Numerical Analysis · Mathematics 2025-01-20 Jorge Delgado , Héctor Orera , Juan Manuel Peña

We detail a numerical algorithm and related code to construct rational quadratic differentials on the Riemann sphere that satisfy the Boutroux condition. These differentials, in special cases, provide solutions of (generalized) Chebotarov…

Numerical Analysis · Mathematics 2024-11-20 Marco Bertola