Results 31 to 40 of about 2,919,673 (305)

Conformal Mappings in Relativistic Astrophysics [PDF]

open access: yesJournal of Applied Mathematics, 2013
We describe the use of conformal mappings as a mathematical mechanism to obtain exact solutions of the Einstein field equations in general relativity. The behaviour of the spacetime geometry quantities is given under a conformal transformation, and the Einstein field equations are exhibited for a perfect fluid distribution matter configuration.
S. Hansraj   +2 more
openaire   +4 more sources

From symmetric to asymmetric bowtie nanoantennas: electrostatic conformal mapping perspective

open access: yesNanophotonics, 2020
Plasmonic nanoantennas have revolutionized the way we study and modulate light–matter interaction. Due to nanofabrication limitations, dimer-type nanoantennas always exhibit some degree of asymmetry, which is desirable in some cases.
Pacheco-Peña Victor   +2 more
doaj   +1 more source

On conformally reducible pseudo-Riemannian spaces

open access: yesPracì Mìžnarodnogo Geometričnogo Centru, 2021
The present paper studies the main type of conformal reducible conformally flat spaces. We prove that these spaces are subprojective spaces of Kagan, while Riemann tensor is defined by a vector defining the conformal mapping.
Тетяна Iванiвна Шевченко   +2 more
doaj   +1 more source

On conformal Gauss maps [PDF]

open access: yesBulletin of the London Mathematical Society, 2019
5 pages.
openaire   +3 more sources

Modeling the Deflection of Circular Membrane Effected by a Cargo Positioned Asymmetrically Relative to the Center

open access: yesСовременные информационные технологии и IT-образование, 2021
The paper considers the problem of deflection of a circular membrane under the action of a load located at some distance from its center. The task consists in obtaining experimental data on the membrane deflection and constructing semi-empirical ...
Maria Bortkovskaya   +6 more
doaj   +1 more source

Approximately Conformal, Equivalent and Equidistant Map Projections [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2022
If geodetic coordinates from an ellipsoid are included in the equations of a projection for mapping a sphere instead of geographical coordinates, the result will be a projection of the ellipsoid into a plane.
Miljenko LAPAINE,Nedjeljko FRANČULA
doaj   +1 more source

Geodesic Warps by Conformal Mappings [PDF]

open access: yesInternational Journal of Computer Vision, 2012
In recent years there has been considerable interest in methods for diffeomorphic warping of images, with applications e.g.\ in medical imaging and evolutionary biology. The original work generally cited is that of the evolutionary biologist D'Arcy Wentworth Thompson, who demonstrated warps to deform images of one species into another.
Stephen R. Marsland   +3 more
openaire   +3 more sources

Mapping chromatin conformation [PDF]

open access: yesF1000 Biology Reports, 2010
Chromatin conformation capture (3C) and related techniques have become well-established methods to examine which distal DNA sequences are spatially located close to a locus of interest. Hi-C is a new addition to the growing set of 3C-based techniques that has extended the approach to a genome-wide analysis of nuclear chromatin using high-throughput DNA
openaire   +2 more sources

Virtual Mass of Any Shape of Body by using General Mapping Function

open access: yesMATEC Web of Conferences, 2017
When an object is moving in acceleration with fluid interaction from surrounding, it possesses virtual mass (added mass) in which the total mass of object is higher than the original mass.
Arai Norio
doaj   +1 more source

Identifying Large Charge operators

open access: yesJournal of High Energy Physics, 2023
The Large Charge sector of Conformal Field Theory (CFT) can generically be described through a semiclassical expansion around a superfluid background. In this work, focussing on U(1) invariant Wilson-Fisher fixed points, we study the spectrum of spinning
Gil Badel   +2 more
doaj   +1 more source

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