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- University of OxfordGB52 papers
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21 papers · 1 filter
Stability of the flat FLRW metric in gravity
Gabriel Farrugia, Jackson Levi Said
In this paper, we investigate the stability of the flat FLRW metric in gravity. This is achieved by analysing the small perturbations, about the Hubble parameter and the…
Growth factor in gravity
Gabriel Farrugia, Jackson Levi Said
We investigate the growth factor for sub-horizon modes during late times in gravity, where is the torsion scalar and is the trace of the stress…
Thermodynamic Geodesics of a Reissner Nordström Black Hole
Christine R. Farrugia, Joseph Sultana
Starting from a Geometrothermodynamics metric for the space of thermodynamic equilibrium states in the mass representation, we use numerical techniques to analyse the thermodynamic…
Gravitomagnetic effects in quadratic gravity with a scalar field
Andrew Finch, Jackson Levi Said
The two gravitomagnetic effects which influence bodies orbiting around a gravitational source are the geodetic effect and the Lense-Thirring effect. The former describes the preces…
KiDS-450: Testing extensions to the standard cosmological model
Shahab Joudaki, Alexander Mead, Chris Blake +16
We test extensions to the standard cosmological model with weak gravitational lensing tomography using 450 deg of imaging data from the Kilo Degree Survey (KiDS). In these exte…
Neural Machine Translation with Supervised Attention
Lemao Liu, Masao Utiyama, Andrew Finch +1
The attention mechanisim is appealing for neural machine translation, since it is able to dynam- ically encode a source sentence by generating a alignment between a target word and…