180 citations · 884 across the 51 of their papers we have counts for
53 papers
Generalized Weighted Composition Operators on Vector-Valued Weighted Bergman Space
Anuradha Gupta, Geeta Yadav
In this research article the necessary and sufficient conditions for the norm of composition operator on to be one are obtained. Moreover, is unita…
Numerical Relativity Estimates of the Remnant Recoil Velocity in Binary Neutron Star Mergers
Sumeet Kulkarni, Surendra Padamata, Anuradha Gupta +2
We present, for the first time, recoil velocity estimates for binary neutron star mergers using data from numerical relativity simulations. We find that binary neutron star merger…
Ascent and Descent of Composition Operators on Orlicz-lorentz space
Neha Bhatia, Anuradha Gupta
The aim of this paper is to discuss the characterizations of the composition operators on Orlicz-Lorentz space to have finite ascent (or descent).
Effect of Ignoring Eccentricity in Testing General Relativity with Gravitational Waves
Purnima Narayan, Nathan K. Johnson-McDaniel, Anuradha Gupta
Detections of gravitational waves emitted from binary black hole coalescences allow us to probe the strong-field dynamics of general relativity (GR). One can compare the observed g…
Cosmography with bright and Love sirens
Arnab Dhani, Ssohrab Borhanian, Anuradha Gupta +1
Precision cosmology is crucial to understand the different energy components in the Universe and their evolution through cosmic time. Gravitational wave sources are standard sirens…
Some positive thoughts about Negative Absolute Temperature
Anuradha Gupta, Deepak Jain
It is now widely accepted that the concept of negative absolute temperature is real one and not just theoretical curiosity. In this brief report, by combining the formalism used in…
Constraining properties of asymmetric dark matter candidates from gravitational-wave observations
Divya Singh, Anuradha Gupta, Emanuele Berti +2
The accumulation of certain types of dark matter particles in neutron star cores due to accretion over long timescales can lead to the formation of a mini black hole. In this scena…
Recoil Velocity of Binary Neutron Star Merger Remnants
Sumeet Kulkarni, Surendra Padamata, Anuradha Gupta
The LIGO-Virgo gravitational wave detectors have confidently observed 4 events involving neutron stars: two binary neutron star (BNS) mergers (GW170817 and GW190425), and two neutr…
Predictions of a simple parametric model of hierarchical black hole mergers
Parthapratim Mahapatra, Debatri Chattopadhyay, Anuradha Gupta +3
Hierarchical mergers of black holes are proposed as a mechanism to explain the observations of binary black holes with component masses between $\sim 50M_{\odot}\hbox{--}130M_{\odo…
Self-adjoint and co-isometry composition and weighted composition operators on Fock-type spaces
Anuradha Gupta, Geeta Yadav
In this paper we obtain characterizations for adjoint of a composition and weighted composition operator to be composition and weighted composition operator on respectivel…
Constraining runaway dilaton models using joint gravitational-wave and electromagnetic observations
Arnab Dhani, Anuradha Gupta, B. S. Sathyaprakash
With the advent of gravitational-wave astronomy it has now been possible to constrain modified theories of gravity that were invoked to explain the dark energy. In a class of dilat…
Population inference of spin-induced quadrupole moments as a probe for non-black hole compact binaries
Muhammed Saleem, N. V. Krishnendu, Abhirup Ghosh +4
Gravitational-wave (GW) measurements of physical effects such as spin-induced quadrupole moments can distinguish binaries consisting of black holes from non-black hole binaries. Wh…
Self-adjoint and co-isometry composition and weighted composition operator on general weighted Hardy space
Anuradha Gupta, Geeta Yadav
In this paper we study the self-adjoint and co-isometry composition and weighted composition operator on We also discuss the conditions under which adjoint operator of a…
A Horizon Study for Cosmic Explorer: Science, Observatories, and Community
Matthew Evans, Rana X Adhikari, Chaitanya Afle +29
This Horizon Study describes a next-generation ground-based gravitational-wave observatory: Cosmic Explorer. With ten times the sensitivity of Advanced LIGO, Cosmic Explorer will p…
Isometries of the product of composition operators on weighted Bergman space
Anuradha Gupta, Geeta Yadav
In this paper the necessary and sufficient conditions for the product of composition operators to be isometry are obtained on weighted Bergman space. With the help of a counter exa…
Inferring spin tilts at formation from gravitational wave observations of binary black holes: Interfacing precession-averaged and orbit-averaged spin evolution
Nathan K. Johnson-McDaniel, Sumeet Kulkarni, Anuradha Gupta
Two important parameters inferred from the gravitational wave signals of binaries of precessing black holes are the spin tilt angles, i.e., the angles at which the black holes' spi…
Product isometry of generalized weighted composition operator on general weighted Hardy space
Anuradha Gupta, Geeta Yadav
We obtain necessary and sufficient conditions for the composition and weighted composition operator and product of composition operators to be isometry and unitary on W…
Remnant Black Hole Kicks and Implications for Hierarchical Mergers
Parthapratim Mahapatra, Anuradha Gupta, Marc Favata +2
When binary black holes merge in dense star clusters, their remnants can pair up with other black holes in the cluster, forming heavier and heavier black holes in a process called…
Towards inference of overlapping gravitational wave signals
Elia Pizzati, Surabhi Sachdev, Anuradha Gupta +1
Merger rates of binary black holes, binary neutron stars, and neutron star-black hole binaries in the local Universe (i.e., redshift ), inferred from the Laser Interferometer…
Generalized Drazin-Meromorphic Invertible Operators and Browder's Type Theorems
Anuradha Gupta, Ankit Kumar
In this paper we give necessary and sufficient conditions for a bounded linear operator to be generalized Drazin-Riesz invertible or generalized Drazin-meromorphic invertible.…
Tests of general relativity using multiband observations of intermediate mass binary black hole mergers
Sayantani Datta, Anuradha Gupta, Shilpa Kastha +2
Observation of gravitational waves (GWs) in two different frequency bands is referred to as multiband GW astronomy. With the planned Laser Interferometric Space Antenna (LISA) oper…
Multiparameter tests of general relativity using multiband gravitational-wave observations
Anuradha Gupta, Sayantani Datta, Shilpa Kastha +3
In this Letter we show that multiband observations of stellar-mass binary black holes by the next generation of ground-based observatories (3G) and the space-based Laser Interferom…
Inexact infinite products of weak quasi-contraction mappings in -metric spaces
Anuradha Gupta, Manu Rohilla
The influence of errors on the convergence of infinite products of weak quasi-contraction mappings in -metric spaces is explored. An example demonstrating the necessity of conve…
Complex Symmetry and Normality of Toeplitz Composition Operators on the Hardy space
Anuradha Gupta, Aastha Malhotra
In this paper, we investigate the conditions under which the Toeplitz Composition operator on the Hardy space becomes complex symmetric with respect to a certain co…