29 th Meeting of IAGRG

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1 07:30-08:45 Breakfast 09:00-09:15 Inauguration 29 th Meeting of IAGRG The Era of Gravitational Waves May 2017 Department of Physics, IIT Guwahati Day 1 (18 th May, 2017) 09:15-10:15 Tarun Souradeep Space-time murmurs and a nation roused 10:15-10:45 High Tea 10:45-11:30 B Sathyaprakah A new Tool for Oberving the Cosmos 11:30-12:15 Dipankar Bhattacharaya Multi-wavelength Astronomy with AstroSat 12:15-13:00 Suvrat Raju Nonlocality in Quantum Gravity 13:00-14:30 Lunch+Poster Session 14:30-16:45 Parallel Workshops : Day 1 16:45-17:15 Coffee 17:15-18:15 N R Sen award ceremoney: K. G. Arun: Applications of post-newtonian theory in gravitational wave astronomy 18:30-19:30 Evening discussion session 1 19:30 Dinner Day 2 (19 Th May, 2017) 07:30-08:45 Breakfast 08:45-09:30 Peter Saulson Interferometric Gravitional Wave Detectors 09:30-10:15 Romesh Kaul Are First and Second Order Formulation of Gravity Equivalent? 10:15-10:45 Coffee 10:45-11:30 Leo Singer TBA 11:30-12:15 B C Joshi Looking for Gravitional Waves with a Pulsar Observatory 12:15-13:00 Dawood Kothawala Small Scale Structure of spacetime 13:00-14:30 Lunch + Poster session 14:30-16:30 Parallel Workshops: Day 2 16:30 17:00 Coffee 17:00 18:00 Evening Discussion Session 2

2 18:00-19:00 IAGRG General Body Meeting 19:30 Conference dinner Day 3 (20 th May, 2017) 07:30-08:45 Breakfast 08:45-09:30 Shiv Sethi Probing the nature of dark matter through cosmological observables 09:30-10:15 Tirthankar Roychoudhury Nature of Dark Matter using High-redshift Observations 10:15-10:45 Coffee 10:45-11:30 Amitabh Virmani Late-time behaviour of perturbations on extremal black holes 11:30 12:15 Badri Krishnan Gravitational waveform models and simulations for gravitational wave searches 12:15 14:00 Lunch + Poster session 14:00-15:00 Parallel Workshops: Day 3 15:00-15:30 Coffee 15:30-16:30 Vaidya - Raychaudhuri Endowment Lecture : Narayan Banerjee Title: Towards singularities 16:30-18:30 V. V. Narlikar best thesis award 19:30 Dinner

3 Classical Gravity Parallel Workshops: Day 1 (18 th May 2017) Venue: Conference Center : Hall 1 14:30-14:45 Krishnamohan Parattu Boundary terms in general relativity: Non-null and null cases 14:45-15:00 Sumanta Chakraborty Thermodynamics of null surfaces: Recent progress 15:00-15:15 Srijit Bhattacharjee Internal structure of AdS black holes 15:15-15:30 Ayan Chatterjee Quasi-local first law from local Lorentz transformation 15:30-15:45 Sandipan Sengupta New solutions in gravity with degenerate metric: An alternative to black holes? 15:45-16:00 Nayem Sk Why scalar-tensor equivalent theories are not physically equivalent? 15:45-16:00 Hemwati Nandan Geodesic flows in a charged rotating black hole spacetime background with quintessence 16:00-16:36 (3 minutes for each speaker) Advertisement for posters Rashmi Uniyal Heisnam Shanjit Singh Geodesic Structure with spin precession analysis of test gyro around Kerr-Sen Black Hole Black hole in the de and anti de sitter spacetimes Tanay Ghosh Satadal Datta Parthasarathi Majumdar Soumen Mondal Sarbari Guha Debabrata Deb Effect of uniform linear acceleration over the polarisation state of electromagnetic wave Acoustic Geometry Obtained through the perturbation Inertial framedragging in acoustic analogue gravity A generalized study of accretion processes with temperature dependent relativistic equation of state. Warpedproduct space-time with time-dependent warping and a scalar field in the bulk Are strange stars possible candidate for dark energy stars? Ravi Shankar Kuniyal Ngangbam Ishwarchandra Prateek Sharma Sumanta Chakraborty Massless Particles Around a Non-Commutative Black Hole Vaidya-Bonnor black hole in non-stationary de Sitter space with variable $Lambda(u)$ Null Geodesic Congruences Around Charged Black Holes in String Theory Gravitational waves and extra spacetime dimension Classical Gravity Parallel Workshops: Day 2 (19 th May 2017) Venue: Conference Center : Hall 1 14:30-15:00 Saurav Bhattacharya Stationary black hole solutions in alternative gravity theories 15:00-15:15 Soumya Chakrabarti Self-similar scalar field collapse 15:15-15:30 Ranjan Sharma Dissipative gravitational collapse: some theoretical models and observations

4 15:30-15:45 Patrick Das Gupta Creation of supermassive Kerr black holes from gravitational collapse of rotating Bose-Einstein condensates of ultra-light scalars 15:45-16:00 Rajibul Shaikh Gravitational lensing by zero Ricci scalar wormholes and the energy conditions 16:00-16:15 Indranil Chattopadhyay How black hole spin affects jet states Soham Bhattacharyya QNMs as a tool to probe deviations from general relativity Classical Gravity Parallel Workshops: Day 3 (20 th May 2017) Venue: Conference Center : Hall 1 14:00-14:15 Abdul Aziz A generalized model for compact stars 14:15-14:30 Muhammed Amir Shapes of rotating non-singular black hole shadows 14:30-14:45 Sajal Mukherjee Collisional Penrose process in Kerr naked singularity 14:45-15:00 Ng. Ibohal Charged black hole in dark energy background with equation of state omega = - 1/2

5 Cosmology Parallel Workshops: Day 1 (18 th May, 2017) Venue: Conference Center : Hall 2 14:30-15:00 Koushik Dutta Inflation Model Building in Supergravity 15:00-15:15 Arindam Mazumdar Curvature perturbations from variations in inflaton s decay 15:15-15:30 Sukannya Bhattacharya Attractor Models in Scalar-Tensor Theories of Inflation 15:30-15:45 Rathul Nath Raveendra Viable tensor-to-scalar ratio in a symmetric matter bounce 15:45-16:00 Abdulla Al Memon Constraints on reconstructed dark energy model from SN Ia and BAO/CMB observations 16:00-16:15 Sudipta Das Study of parametrized dark energy models for a non-canonical scalar field Manvendra Pratap Rajvanshi Nonlinear Spherical Perturbations in Quintessence Cosmology Cosmology Parallel Workshops: Day 2 (19 th May, 2017) Venue: Conference Center : Hall 2 14:30-15:00 Rishi Khatri The information hidden in the shape of the CMB spectrum 15:00-15:15 Vipin Sudevan A Measurement of CMB Angular Power Spectrum from PLANCK and WMAP Observations 15:15-15:30 Joby P. K. Analytic formulae for tensor Minkowski Functionals for Gaussian random fields 15:30-15:45 Suman Chatterjee Simulating the z = 3.35 HI 21-cm visibility signal and foreground predictions for the Ooty Wide Field Array(OWFA) 15:45-16:00 Azam Hussain Prospects of probing quintessence with HI 21-cm intensity mapping survey 16:00-16:15 Dipanjan Dey Small scale structure formation of Dark-matter Akanksha Kapahtia Constraining models of the epoch of reionization using tensorial Minkowski Functionals Cosmology Parallel Workshops: Day 3 (20 th May, 2017) Venue: Conference Center : Hall 2 14:00-14:15 Akshay Rana Null test of cosmic curvature by using gravitational lenses 14:15-14:30 Soumya Jana A cosmological solution in Born-Infeld gravity with scalar Born-Infeld matter 14:30-14:45 Satadru Bag Phantom brane: Cosmological perturbations and Constraining parameters using distance measurements 14:45-15:00 Bikash Ranjan Dinda Imprint of thawing scalar field on large scale galaxy over-density

6 Quantum Gravity Parallel Workshops: Day 1 (18 th May 2017) Venue: Conference Center : Hall 3 14:30-15:00 Kinjalk Lochan Black holes: The story of information loss and regain 15:00-15:15 Syed Nomaan Ahmed Building propagators on discrete spacetime 15:15-15:30 Sumanta Chakraborty Zero point length of spacetime: What can we learn from it? 15:30-15:45 Kinjalk Lochan Exploring Quantum Correlations in Curved Spacetime 15:45-16:00 Anuj Kumar Dubey The variation of photon speed with photon frequency in quantum gravity 16:00-16:15 Fairoos C Self interaction correction to black hole radiation in Einstein Gauss Bonnet gravity T. Ibungochouba Singh Minimal length effect on tunneling from Schwartzschild-de Sitter black hole Krishnakanta Bhattacharya Gravitational Phase Transition Quantum Gravity Parallel Workshops: Day 2 (19 th May 2017) Venue: Conference Center : Hall 3 14:30-15:00 Nirmalya Kajuri Polymer quantization and Unruh effect 15:00-15:15 Bethan Cropp Hints of Quantum Gravity from the Horizon Fluid? 15:15-15:30 Swastik Bhattacharya Can Fluctuation Theory account for Negative Transport Coefficients for Black Hole Membranes? 15:30-15:45 Sachin Pandey Jordan and Einstein frames: Are they really different at quantum level? 15:45-16:00 Biswajit Paul Removing ghosts from higher derivative gravity 16:00-16:15 Parthasarathi Majumdar A black hole entropy perspective on neutron star mass 16:15-16:30 C. P. Singh Holographic dark energy models with future event horizon Brans- Dicke theory Quantum Gravity Parallel Workshops: Day 3 (20 th May 2017) Venue: Conference Center : Hall 3 14:00-14:15 Deepak Vaid Gravity as a Condensate of Gauge Fields: Superconducting and Anti-ferromagnetic Phases of Spacetime 14:15-14:30 Tanmoy Paul Radion stabilization in higher curvature warped spacetime

7 Relativistic Astrophysics and Gravtational waves Parallel Workshops: Day 1 (18 th May) Venue: Conference Center : Hall 4 14:30-14:42 Shantanu Desai Galactic Shapiro delay of gravitational waves 14:42-14:54 Abhirup Ghosh Testing general relativity using gravitational wave signals from the inspiral, merger and ringdown of binary black holes 14:54-15:06 Anuradha Samajdar Constraining Lorentz invariance violation using gravitational wave observations. 15:06-15:18 Nikhil Mukund Gravity gradient noise cancellation for Advanced LIGO 15:18-15:30 Soumen Roy A new hybrid template placement strategy for gravitational wave searches from aligned-spin NSBH systems 15:30-15:42 Kumar Atmjeet Probing a precessing NSBH system through harmonics of a single-spin precessing waveform 15:42-15:54 Gayathri V Wavegraph: A new wavelet based cluster algorithm for compact binaries search in GW window 15:54-16:06 Sk. Javed Rana An enhanced method for scheduling observations of large sky error regions for finding electromagnetic counterparts of gravitational wave sources 16:06-16:18 Sk. Jahanur Hoque Cosmological horizon and the quadrupole formula in de Sitter background 16:18-16:45 Poster Lightning Session (1 minutes for each speaker) Relativistic Astrophysics and Gravitational waves Parallel Workshops: Day 2 (19 th May) Venue: Conference Center: Hall 4 14:30-15:00 Manjari Bagchi Use of binary radio pulsars with ultra-compact companions to understand basic physics 15:00-15:12 Sushan Konar Gravitational waves from surface inhomogeneities of neutron stars 15:12-15:24 Prashanta Char Tidal deformability of compact stars with quark hadron phase transition 15:24-15:36 Ramiz Aktar Accretion-ejection mechanism around rotating black holes 15:36-15:48 Indu Kalpa Dihingia Two temperature accretion flow around black holes 15:48-16:00 Biplob Sarkar Properties of magnetically supported dissipative accretion flow around stationary black holes with cooling effects 16:00-16:12 Fatemeh Nouri Accretion of the magnetized neutrino-cooled torus on a rotating black hole Relativistic Astrophysics and Gravitational waves Parallel Workshops: Day 3 (20 th May) Venue: Conference Center: Hall 4 14:00-14:12 Sumit Kumar Distinguishing population synthesis models for the evolution of binary black holes using gravitational wave observations 14:12-14:24 Khun S. Phukon Effect of spin precession on the spins and the gravitational recoils of the final black holes formed through merger of spinning binaries 14:24-14:36 Nathan J. McDaniel Constraining properties of black hole mimickers with gravitational wave observations of binary black holes 14:36-15:48 M. K. Haris Identifying strongly lensed binary black hole mergers detected by advanced gravitational wave detectors

Workshop on Field Theoretic Aspects of Gravity (FTAG) XI-2016

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