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Related papers: Weyl Invariant Dynamics in 3 Dimensions

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We consider three generalizations of the isoperimetric problem to higher codimension and provide results on equilibrium, stability, and minimization.

Differential Geometry · Mathematics 2012-11-15 Frank Morgan , Isabel M. C. Salavessa

Polynomial invariants are fundamental objects in analysis on Lie groups and symmetric spaces. Invariant differential operators on symmetric spaces are described by Weyl group invariant polynomial. In this article we give a simple criterion…

Representation Theory · Mathematics 2010-12-06 Gestur Olafsson , Joseph A. Wolf

Local Weyl modules over two-dimensional currents with values in $gl_r$ are deformed into spaces with bases related to parking functions. Using this construction we 1) propose a simple proof that dimension of the space of diagonal…

Quantum Algebra · Mathematics 2010-12-15 B. Feigin , S. Loktev

We investigate several integer invariants of curves in 3-space. We demonstrate relationships of these invariants to crossing number and to total curvature.

Geometric Topology · Mathematics 2007-05-23 Joel Hass , J. Hyam Rubinstein , Abigail Thompson

Variational-hemivariational inequalities are an area full of interesting and challenging mathematical problems. The area can be viewed as a natural extension of that of variational inequalities. Variational-hemivariational inequalities are…

Numerical Analysis · Mathematics 2025-12-12 Weimin Han

Some aspects of the connection between differential geometry and multidimensional soliton equations are discussed.

Differential Geometry · Mathematics 2007-05-23 R. Myrzakulov

We describe differential invariants of infinite-dimensional algebras being equivalence algebras of some classes of PDE and study structure of these algebras.

Mathematical Physics · Physics 2009-10-13 Irina Yehorchenko

Quantum simulation of 1D relativistic quantum mechanics has been achieved in well-controlled systems like trapped ions, but properties like spin dynamics and response to external magnetic fields that appear only in higher dimensions remain…

Quantum Physics · Physics 2022-05-30 Y. Jiang , M. -L. Cai , Y. -K. Wu , Q. -X. Mei , W. -D. Zhao , X. -Y. Chang , L. Yao , L. He , Z. -C. Zhou , L. -M. Duan

We survey a number of Weyl type laws that have recently been established in low-dimensional symplectic geometry. These have had a number of applications, which we also introduce. We sketch a number of proofs so that the reader can get a…

Symplectic Geometry · Mathematics 2025-12-08 Dan Cristofaro-Gardiner

We derive a Weyl invariant equation for Gravity by gauging the global Weyl invariance of vacuum Einstein equations. The equation is linear in the curvature and a natural generalization of Einstein equations to Weyl geometry. The system has…

General Relativity and Quantum Cosmology · Physics 2024-12-03 Máximo Bañados

In this paper, we consider the recovery of third-order differential operators from two spectra, as well as fourth-order or fifth-order differential operators from three spectra, where these differential operators are endowed with…

Spectral Theory · Mathematics 2024-02-29 Ai-Wei Guan , Chuan-Fu Yang , Natalia P. Bondarenko

Weyl semimetals are a new class of Dirac material that posses bulk energy nodes in three dimensions. In this paper, we study a Weyl semimetal subject to an applied magnetic field. We derive expressions for the density of states, electronic…

Strongly Correlated Electrons · Physics 2014-04-30 Phillip E. C. Ashby , J. P. Carbotte

Conventional quantization of two-dimensional diffeomorphism and Weyl invariant theories sacrifices the latter symmetry to anomalies, while maintaining the former. When alternatively Weyl invariance is preserved by abandoning diffeomorphism…

High Energy Physics - Theory · Physics 2016-09-06 R. Jackiw

We use the integrable deformations method for a three-dimensional system of differential equations to obtain deformations of the T system. We analyze a deformation given by particular deformation functions. We point out that the obtained…

Dynamical Systems · Mathematics 2019-06-10 Cristian Lazureanu , Cristiana Caplescu

We consider the transmission problem for the Laplace equation on an infinite three-dimensional wedge, determining the complex parameters for which the problem is well-posed, and characterizing the infinite multiplicity nature of the…

Analysis of PDEs · Mathematics 2018-10-17 Karl-Mikael Perfekt

On a (pseudo-) Riemannian manifold of dimension n > 2, the space of tensors which transform covariantly under Weyl rescalings of the metric is built. This construction is related to a Weyl-covariant operator D whose commutator [D,D] gives…

High Energy Physics - Theory · Physics 2009-11-10 Nicolas Boulanger

An extension to higher dimensions of the Bel-Debever characterization of the Weyl tensor is considered. This provides algebraic conditions that uniquely determine the multiplicity of a Weyl aligned null direction (WAND), and thus the…

General Relativity and Quantum Cosmology · Physics 2009-10-02 Marcello Ortaggio

We outline an abstract approach to the pseudo-differential Weyl calculus for operators in function spaces in infinitely many variables. Our earlier approach to the Weyl calculus for Lie group representations is extended to the case of…

Functional Analysis · Mathematics 2015-05-19 Ingrid Beltita , Daniel Beltita

Recent results on purely electric (PE) or magnetic (PM) spacetimes in n dimensions are summarized. These include: Weyl types; diagonalizability; conditions under which direct (or warped) products are PE/PM.

General Relativity and Quantum Cosmology · Physics 2014-11-14 Sigbjørn Hervik , Marcello Ortaggio , Lode Wylleman

We describe the multiplicative invariant algebras of the root lattices of all irreducible root systems under the action of the Weyl group. In each case, a finite system of fundamental invariants is determined and the class group of the…

Commutative Algebra · Mathematics 2014-09-02 Jessica Hamm