Results 31 to 40 of about 86,105 (286)

A bijection between Littlewood-Richardson tableaux and rigged configurations [PDF]

open access: yes, 1999
A bijection is defined from Littlewood-Richardson tableaux to rigged configurations. It is shown that this map preserves the appropriate statistics, thereby proving a quasi-particle expression for the generalized Kostka polynomials, which are q-analogues
Kirillov, Anatol N.   +2 more
core   +2 more sources

Parasitic High Q-Factor Open-Box Modes With 3-D Printed Dielectric-Filled Metal Waveguides

open access: yesIEEE Access, 2021
High Q-factor open-box mode resonances have been found in the microwave measurements of several 3-D printed dielectric-filled metal-pipe rectangular waveguides (MPRWGs).
Attique Dawood, Stepan Lucyszyn
doaj   +1 more source

The Metric of Yang-Mills Orbit Space on the Lattice

open access: yes, 2014
We find coordinates, the metric tensor, the inverse metric tensor and the Laplace-Beltrami operator for the orbit space of Hamiltonian SU(2) gauge theory on a finite, rectangular lattice. This is done using a complete axial gauge fixing.
A. Lichnérowicz   +4 more
core   +1 more source

Spectral methods in gravity inversion: the geopotential field and its derivatives

open access: yesAnnals of Geophysics, 1997
The 3D spectral analysis of the gravitational potential field for a given mass distribution is studied. The derived quantities, the gravitational force field and the gravity gradient tensor are computed in frequency space.
C. Braitenberg, M. Zadro
doaj   +1 more source

Simplicial cohomology of band semigroup algebras [PDF]

open access: yes, 2011
We establish simplicial triviality of the convolution algebra $\ell^1(S)$, where $S$ is a band semigroup. This generalizes results of the first author [Glasgow Math. J. 2005, Houston J. Math. 2010].
Choi, Yemon   +2 more
core   +2 more sources

Local zeta regularization and the scalar Casimir effect IV. The case of a rectangular box

open access: yes, 2015
Applying the general framework for local zeta regularization proposed in Part I of this series of papers, we compute the renormalized vacuum expectation value of several observables (in particular, of the stress-energy tensor and of the total energy) for
Fermi, Davide, Pizzocchero, Livio
core   +1 more source

Rectangular array of electromagnetic vector sensors: tensor modelling/decomposition and DOA‐polarisation estimation [PDF]

open access: yesIET Signal Processing, 2019
In this study, the authors propose a fast quadrilinear decomposition algorithm for estimation of the directions‐of‐arrival and polarisations of the incident sources via a uniform rectangular array of electromagnetic vector sensors (EMVSs). Conventional quadrilinear alternating least squares (QALS), involves computationally intensive Khatri‐Rao products
Tanveer Ahmed   +3 more
openaire   +1 more source

Estimation of permeability tensor and dielectric permittivity of ferrites using a wave guide method under a dc magnetic field

open access: yesEPJ Web of Conferences, 2014
Using a vector network analyzer equipped with a calibrated rectangular wave guide the electric permittivity and the element of the magnetic permeability tensor for Y3Fe5O12, ZnFe2O4 and NiFe2O4 are measured.
Tsiachristos I.   +8 more
doaj   +1 more source

A novel recursive sub-tensor hyperspectral compressive sensing of plant leaves based on multiple arbitrary-shape regions of interest [PDF]

open access: yesPeerJ Computer Science
Plant hyperspectral images (HSIs) contain valuable information for agricultural disaster prediction, biomass estimation, and other applications. However, they also include a lot of irrelevant background information, which wastes storage resources.
Zhuo Li   +5 more
doaj   +2 more sources

Improved Rectangular Matrix Multiplication using Powers of the Coppersmith-Winograd Tensor [PDF]

open access: yes, 2018
In the past few years, successive improvements of the asymptotic complexity of square matrix multiplication have been obtained by developing novel methods to analyze the powers of the Coppersmith-Winograd tensor, a basic construction introduced thirty years ago. In this paper we show how to generalize this approach to make progress on the complexity of
Gall, François Le, Urrutia, Florent
openaire   +2 more sources

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