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Sep 15, 2010

Thermal Behaviour of Euclidean Stars

A recent study of dissipative collapse considered a contracting sphere in which the areal and proper radii are equal throughout its evolution. The in…
Aug 13, 2017

Lovelock black holes surrounded by quintessence

Lovelock gravity consisting of the dimensionally continued Euler densities is a natural generalization of general relativity to higher dimensions suc…
Oct 28, 2017

Role of pressure anisotropy on relativistic compact stars

We investigate a compact spherically symmetric relativistic body with anisotropic particle pressure profiles. The distribution possesses characterist…
Sep 13, 2017

Inverse square law isothermal property in relativistic charged static…

We analyse the impact of the inverse square law fall-off of the energy density in a charged isotropic spherically symmetric fluid. Initially we impos…
Jul 01, 2018

Equilibrium stellar configurations in Rastall theory and linear equat…

Amongst a number of modified theories of gravity, the Rastall theory has been propounded to address some shortcomings of the standard theory of gener…
Sep 17, 2017

The Atacama Cosmology Telescope: The Two-Season ACTPol Sunyaev-Zel'…

We present a catalog of 182 galaxy clusters detected through the Sunyaev-Zel'dovich effect by the Atacama Cosmology Telescope in a contiguous 987.5 d…
Dec 20, 2016
Computation and Language

Grammar rules for the isiZulu complex verb

The isiZulu verb is known for its morphological complexity, which is a subject for on-going linguistics research, as well as for prospects of computa…
Dec 02, 2014

Cosmology Constraints from the Weak Lensing Peak Counts and the Power…

Lensing peaks have been proposed as a useful statistic, containing cosmological information from non-Gaussianities that is inaccessible from traditio…
Sep 09, 2014

Lovelock black holes in a string cloud background

We present an exact static, spherically symmetric black hole solution to the third order Lovelock gravity with a string cloud background in seven dim…
Apr 29, 2018

Impact of the Rastall parameter on perfect fluid spheres

We examine the effects of the Rastall parameter on the behaviour of spherically symmetric static distributions of perfect fluid matter. It was claime…
Aug 07, 2018

Projection operator based expansion of the evolution operator

The not necessarily unitary evolution operator of a finite dimensional quantum system is studied with the help of a projection operators technique. A…
Jun 29, 2015

We are grateful to Barun Pal for useful discussions. AR acknowledges the Council of Scientific and Industrial Research (CSIR), India for financial support (Grant award no. 20-6/2008(II)E.U.-IV).

Weak lensing in non-statistically isotropic universes

The Bipolar Spherical Harmonics (BipoSH) form a natural basis to study the CMB two point correlation function in a non-statistically isotropic (non-S…
Jan 01, 2017

Constraints on Primordial non-Gaussianity from Future HI Intensity …

The primordial non-Gaussianity induces scale-dependent bias of the \hi with respect to the underlying dark matter, which exhibits features on the ver…
Nov 08, 2012

Implementing Quantum Walks Using Orbital Angular Momentum of Classica…

We present an implementation scheme for a quantum walk in the orbital angular momentum space of a laser beam. The scheme makes use of a ring interfer…
Oct 06, 2015

Optimisation of the Population Monte Carlo algorithm: Application to …

We optimise the parameters of the Population Monte Carlo algorithm using numerical simulations. The optimisation is based on an efficiency statistic …
Nov 27, 2013

Structure and substructure analysis of DAFT/FADA galaxy clusters in t…

We analyse the structures of all the clusters in the DAFT/FADA survey for which XMM-Newton and/or a sufficient number of galaxy redshifts in the clus…
Jun 07, 2014
Computation and Language

Toward verbalizing ontologies in isiZulu

IsiZulu is one of the eleven official languages of South Africa and roughly half the population can speak it. It is the first (home) language for ove…
Nov 09, 2017

Non-Markovian evolution: a quantum walk perspective

Quantum non-Markovianity of a quantum noisy channel manifests typically as information backflow, characterized by the departure of the intermediate m…
Apr 04, 2018

Constraining Redshifts of Unlocalised Fast Radio Bursts

The population of fast radio bursts (FRBs) will continue to diverge into two groups depending on their method of discovery: those which can be locali…
Mar 12, 2010
Statistical Finance
Data Analysis
Statistics and Probability

Characterizing Multi-Scale Self-Similar Behavior and Non-Statistical …

We make use of wavelet transform to study the multi-scale, self similar behavior and deviations thereof, in the stock prices of large companies, belo…
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