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The quantum BRST charges for the Bershadsky-Knizhnik orthogonal quasi-superconformal algebras are constructed. These two-dimensional superalgebras have the $N$-extended non-linearly realised supersymmetry and the $SO(N)$ internal symmetry.…

High Energy Physics - Theory · Physics 2007-05-23 Sergei V. Ketov

Nonlinearly constrained nonconvex and nonsmooth optimization models play an increasingly important role in machine learning, statistics and data analytics. In this paper, based on the augmented Lagrangian function we introduce a flexible…

Optimization and Control · Mathematics 2020-07-27 Daoli Zhu , Lei Zhao , Shuzhong Zhang

Koksma's equidistribution theorem from 1935 states that for Lebesgue almost every $\alpha>1$, the fractional parts of the geometric progression $(\alpha^{n})_{n\geq1}$ are equidistributed modulo one. In the present paper we sharpen this…

Number Theory · Mathematics 2020-10-21 Christoph Aistleitner , Simon Baker , Niclas Technau , Nadav Yesha

Relative entropy (divergence) of Bregman type recently proposed by T. D. Frank and Jan Naudts is considered and its quantum counterpart is used to calculate purity of the Werner state in nonextensive formalism. It has been observed that two…

Statistical Mechanics · Physics 2009-11-11 Gokhan B. Bagci , Altug Arda , Ramazan Sever

A few families of counterexamples are provided to "A proof that the discrete singular convolution (DSC)/Lagrange-distributed approximation function (LDAF) method is inferior to high order finite differences", Journal of Computational…

Numerical Analysis · Mathematics 2009-11-11 G. W. Wei , Shan Zhao

Certain supersymmetric sigma models in 2+1 dimensions feature multi-soliton solutions, with and without scattering. We subject these systems to a non-anticommutative deformation by replacing the Grassmann algebra of the odd superspace…

High Energy Physics - Theory · Physics 2008-11-26 Sergei V. Ketov , Olaf Lechtenfeld

Let $D\geq 1$ and $q\geq 3$ be two integers. Let $H(D)=H(D,q)$ denote the $D$-dimensional Hamming graph over a $q$-element set. Let ${\mathcal T}(D)$ denote the Terwilliger algebra of $H(D)$. Let $V(D)$ denote the standard ${\mathcal…

Combinatorics · Mathematics 2023-04-05 Hau-Wen Huang

Bondi-like (single-null) characteristic formulations of general relativity are used for numerical work in both asymptotically flat and anti-de Sitter spacetimes. Well-posedness of the resulting systems of partial differential equations,…

General Relativity and Quantum Cosmology · Physics 2020-10-09 Thanasis Giannakopoulos , David Hilditch , Miguel Zilhao

We study conformal transformations in the most general parity-preserving models of the New General Relativity type. Then we apply them to analysis of cosmological perturbations in the (simplest) spatially flat cosmologies. Strong coupling…

General Relativity and Quantum Cosmology · Physics 2024-04-24 Alexey Golovnev , A. N. Semenova , V. P. Vandeev

We study the highest-weight representation of N=2 supersymmetric Schrodinger algebra which appears in non-relativistic superconformal field theories in (1+2) dimension. We define the index for the non-relativistic superconformal field…

High Energy Physics - Theory · Physics 2011-08-04 Yu Nakayama

It is well known that the classic {\L}o\'s-Tarski preservation theorem fails in the finite: there are first-order definable classes of finite structures closed under extensions which are not definable (in the finite) in the existential…

Logic in Computer Science · Computer Science 2020-10-27 Anuj Dawar , Abhisekh Sankaran

Reparameterization invariance, a symmetry of heavy quark effective theory, appears in different forms in the literature. The most commonly cited forms of the reparameterization transformation are shown to induce the same constraints on…

High Energy Physics - Phenomenology · Physics 2009-09-11 Markus Finkemeier , Howard Georgi , Matt McIrvin

The fractional inverse $M^{-\gamma}$ (real $\gamma >0$) of a matrix $M$ is expanded in a series of Gegenbauer polynomials. If the spectrum of $M$ is confined to an ellipse not including the origin, convergence is exponential, with the same…

High Energy Physics - Lattice · Physics 2011-08-04 B. Bunk

We show how to relate Schramm-Loewner Evolutions (SLE) to highest-weight representations of infinite dimensional Lie Algebras using the conformal restriction properties studied by Lawler, Schramm and Werner in the paper…

Mathematical Physics · Physics 2017-07-18 Roland Friedrich , Wendelin Werner

We construct an effective QCD light-front Hamiltonian for both mesons and baryons in the chiral limit based on the generalized supercharges of a superconformal graded algebra. The superconformal construction is shown to be equivalent to a…

High Energy Physics - Theory · Physics 2015-04-16 Hans Gunter Dosch , Guy F. de Teramond , Stanley J. Brodsky

The problem of the restoring of the equivalence between Light-Front (LF) Hamiltonian and conventional Lorentz-covariant formulations of gauge theory is solved for QED(1+1) and (perturbatively to all orders) for QCD(3+1). For QED(1+1) the LF…

High Energy Physics - Theory · Physics 2009-11-07 S. A. Paston , E. V. Prokhvatilov , V. A. Franke

We use variational convergence to derive a hierarchy of one-dimensional rod theories, starting out from three-dimensional models in nonlinear elasticity subject to local volume-preservation. The densities of the resulting $\Gamma$-limits…

Analysis of PDEs · Mathematics 2020-02-25 Dominik Engl , Carolin Kreisbeck

Let $V \subset \mathbb{R}$ be a finite set with $|V| = n $ and suppose we are given each pairwise distance independently with probability $p$. We show that if $p = (1+\epsilon)/n$, for some fixed $\epsilon >0$, then we can reconstruct a…

Combinatorics · Mathematics 2026-02-27 Julien Portier

For $\lambda$ inaccessible, we may consider $(< \lambda)$-support iteration of some specific $(<\lambda)$-complete $\lambda^+$-c.c. forcing notion. But this fails a "preservation by restricting to a sub-sequence of the forcing, we "correct"…

Logic · Mathematics 2022-09-07 Saharon Shelah

The QCD coupling $\alpha_s$ is the most important parameter for achieving precise QCD predictions. By using the well measured effective coupling $\alpha^{g_1}_{s}(Q)$ defined from the Bjorken sum rules as a basis, we suggest a novel and…

High Energy Physics - Phenomenology · Physics 2022-06-22 Qing Yu , Hua Zhou , Xu-Dong Huang , Jian-Ming Shen , Xing-Gang Wu