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We embed the Penrose limit into the Weyl classical double copy. Thereby, we provide a lift of the double copy properties of plane wave spacetimes into black hole geometries and we open a novel avenue towards taking the classical double copy…

High Energy Physics - Theory · Physics 2024-07-12 Samarth Chawla , Kwinten Fransen , Cynthia Keeler

We give a complete picture of when the tensor product of an induced module and a Weyl module is a tilting module for the algebraic group $SL_2$ over an algebraically closed field of characteristic $p$. Whilst the result is recursive by…

Representation Theory · Mathematics 2017-09-20 Samuel Martin

Let $g$ be a fixed holomorphic cusp form of arbitrary level and nebentypus. Let $\chi$ be a primitive character of prime-power modulus $q = p^{\gamma}$. In this paper, we prove the following hybrid Weyl-type subconvexity bound…

Number Theory · Mathematics 2024-04-24 Zhengxiao Gao , Shu Luo , Zhi Qi

The method of intertwining with n-dimensional (nD) linear intertwining operator L is used to construct nD isospectral, stationary potentials. It has been proven that differential part of L is a series in Euclidean algebra generators.…

Quantum Physics · Physics 2009-11-07 S. Kuru , A. Tegmen , A. Vercin

We generalize the concept of three-dimensional topological Weyl semimetal to a class of five dimensional (5D) gapless solids, where Weyl points are generalized to Weyl surfaces which are two-dimensional closed manifolds in the momentum…

Mesoscale and Nanoscale Physics · Physics 2016-07-06 Biao Lian , Shou-Cheng Zhang

We derive a tensorial formula for a fourth-order conformally invariant differential operator on conformal 4-manifolds. This operator is applied to algebraic Weyl tensor densities of a certain conformal weight, and takes its values in…

High Energy Physics - Theory · Physics 2009-11-07 Thomas Branson , A. Rod Gover

Though the Weyl tensor is a linear combination of the curvature tensor, Ricci tensor and Ricci scalar, it does not have all and only the Lie symmetries of these tensors since it is possible, in principle, that "asymmetries cancel". Here we…

General Relativity and Quantum Cosmology · Physics 2009-01-09 Ibrar Hussain , Asghar Qadir , K. Saifullah

An introductory review of algebraic classification of the Weyl tensor and algebraically special solutions in higher dimensions.

General Relativity and Quantum Cosmology · Physics 2012-03-13 Harvey S. Reall

The double-layer potential plays an important role in solving boundary value problems for elliptic equations. All the fundamental solutions of the generalized bi-axially symmetric Helmholtz equation were known, and only for the first one…

Analysis of PDEs · Mathematics 2018-07-11 Abdumauvlen Berdyshev , Anvar Hasanov , Tuhtasin Ergashev

The algebraic study of the Bel-Robinson tensor proposed and initiated in a previous work (Gen. Relativ. Gravit. {\bf 41}, see ref [11]) is achieved. The canonical form of the different algebraic types is obtained in terms of Bel-Robinson…

General Relativity and Quantum Cosmology · Physics 2011-01-13 Joan J. Ferrando , Juan A. Sáez

This article is concerned with estimations from below for the remainder term in Weyl's law for the spectral counting function of certain rational (2l+1)-dimensional Heisenberg manifolds. Concentrating on the case of odd l, it continues the…

Number Theory · Mathematics 2008-10-14 W. G. Nowak

We obtain a local two weight $Tb$ theorem with an energy side condition for higher dimensional fractional Calder\'{o}n-Zygmund operators. The proof follows the general outline of the proof for the corresponding one-dimensional $Tb$ theorem…

Classical Analysis and ODEs · Mathematics 2020-11-12 Christos Grigoriadis , Michail Paparizos , Eric T. Sawyer , Chun-Yen Shen , Ignacio Uriarte-Tuero

A pair of Weyl points (WPs) with opposite Chern numbers ${\cal{C}}$ can exhibit an additional higher-order $Z_2$ topological charge, giving rise to the formation of a $Z_2$ Weyl dipole. Owing to the nontrivial topological charge, $Z_2$ Weyl…

Materials Science · Physics 2025-02-25 Jianhua Wang , Yang Wang , Feng Zhou , Wenhong Wang , Zhenxiang Cheng , Shifeng Qian , Xiaotian Wang , Zhi-Ming Yu

We have proceeded analogy of Einstein tensor and alternative form of Einstein field equations for generic coeffcients of eight terms in third order of Lovelock Lagrangian. We have found constraint between the coeffcients into two forms, an…

General Relativity and Quantum Cosmology · Physics 2013-10-04 Mehrdad Farhoudi

Chiral/self-dual restrictions of various super Yang-Mills and supergravity theories in (2,2) dimensions are described. These include the N=1 supergravity with a cosmological term and the N=1 new minimal supergravity theory. In the latter…

High Energy Physics - Theory · Physics 2007-05-23 E. Sezgin

A characteristic value formulation of the Weyl double copy leads to an asymptotic formulation. We find that the Weyl double copy holds asymptotically in cases where the full solution is algebraically general, using rotating STU supergravity…

High Energy Physics - Theory · Physics 2021-12-08 Hadi Godazgar , Mahdi Godazgar , Ricardo Monteiro , David Peinador Veiga , C. N. Pope

We show any Weyl curvature model can be geometrically realized by a Weyl manifold

Differential Geometry · Mathematics 2010-11-23 Peter Gilkey , Stana Nikcevic , Udo Simon

Within the framework of the gauge O(1,3)\times O(1,3)-theory, an extension of the Belavin-Polyakov-Schwarz-Tyupkin ansatz is proposed by incorporation there the Levi-Civita tensor. The duality properties of the theory, admitting…

High Energy Physics - Theory · Physics 2007-05-23 A. L. Koshkarov

This paper addresses the study and applications of polyhedral duality of locally convex topological vector (LCTV) spaces. We first revisit the classical Rockafellar's proper separation theorem for two convex sets one which is polyhedral and…

Optimization and Control · Mathematics 2021-09-21 Dang Van Cuong , Boris Mordukhovich , Nguyen Mau Nam , Sandine Gary

In this paper we study the spectrum of all conformal, ${\cal N}$-extended supergravities (${\cal N}=1,2,3,4$) in four space-time dimensions. When these theories are obtained as massless limit of Einstein plus Weyl$^2$supergravity, the…

High Energy Physics - Theory · Physics 2018-09-26 Sergio Ferrara , Alex Kehagias , Dieter Lust