Aug. 12, 2015. Satadal Dutta (HRI, Allahabad), Part 1: Analogue Gravity Phenomena in Bose Einstein Condensates, Part II: Bondi Accretion including fluid mass. .
July. 30, 2015. Md. Arif Saikh (HRI, Allahabad), Part 1: Stability analysis of limit cycles in Hopf bifurcation, Part II : Dynamics and radiative properties of viscous accretion discs..
July. 20, 2015. Soumini Chaudhury (HRI, Allahabad), Stationary integral multi-transonic solutions for various axially symmetric geometric configurations of low angular momentum matter accreting onto astrophysical black holes.
July 15, 2015. Ishika Palit (Bhopal University, Bhopal), Dynamics of viscous fluid .
June 15, 2015. Sanchari Pal (IIT Guwahati, Guwahati), Stability analysis of disc accretion.
June 12, 2015. Ivleena Firdousi (Pune), Ray approximation of e.m wave in case of radiative transfer process..
April 16, 2015. Dr. Safiqul Islam (Jadavpur University, Kolkata), On some wormholes and a model of charged compact star.
Jan. 9, 2015. Sowrav Sudevan (Jain University), Acoustic Metric In Bondi Accretion Onto a Black Hole.
Jan. 2, 2015. Shefali Jaiswal (Indian School of Mines, Dhanbad), Rotation curve of our Galaxy upto ~ 20 Kpc.
Dec. 17, 2014. Dr. Nishikant Khandai (NISER, Bhubaneswar) Structure Formation at High and Low Redshifts.
Feb. 06, 2013. Sushan Konar (NCRA, TIFR, Pune), Neutron Star: A ball of rotating superfluid with a metallic crust!.
Dec. 27, 2012. Siddhartha Sinha (St. Xavier's College, Kolkata), Higher signal harmonics, LISA's angular resolution, and dark energy.
Sep. 10, 2012. Sourav Bhattacharya (HRI, Allahabad), Some studies on de Sitter black hole spacetimes.
May 7, 2012. Dhiraj Hazra (HRI, Allahabad), Primordial Features and Non-Gaussianities.
Apr. 25, 2012. Raghunath Ghara (HRI, Allahabad), Reionization and heating pattern around primordial miniquasars.
Apr. 25, 2012. Dharamdas Jash (HRI, Allahabad), Ionization & temperature-density relation of IGM due to reionization.
Mar. 6, 2012. Dharmdas Jash (HRI, Allahabad), A brief overview of Neutron stars & Pulsars.
Mar. 6, 2012. Raghunath Ghara (HRI, Allahabad), Pulsars.
Feb. 22, 2012. Sourav Mitra (HRI, Allahabad), Reionization constraints using principal component analysis.
Jan. 12, 2012. Tapomoy Guha Sarkar (HRI, Allahabad), The post-reionization neutral hydrogen - a cosmological probe.
Nov. 1, 2011. Paramita Barai (University of Nevada, Las Vegas, USA), Simulating Active Galaxy Outflow Propagation and Metal Enrichment on Cosmological Scales.
Jul. 20, 2011. Akilesh Nautiyal (HRI, Allahabad), Warm natural inflation.
May 5, 2011. Tapas K. Das (HRI, Allahabad), Portrait of a Dark Face.
May 4, 2011. Abhinav Agrawal (BITS, Pilani), Semianalytic Approach towards Understanding of Distribution of Neutral Hydrogen due to Lyman Alpha Absorption.
Mar. 30, 2011. Young Minh (Korea Astronomy and Space Science Institute, Korea), The Circumnuclear Disk (CND) of our Galactic Center.
Mar. 26, 2011. Dhiraj Kumar Hazra (HRI, Allahabad), Primordial features and non-Gaussianities
Mar. 23, 2011. Sourav Mitra (HRI, Allahabad), Reionization constraints using principal component analysis.
Mar. 16, 2011. Taparati Gangopadhyay (Presidency College, Kolkata), Vortex Theory of Pulsar Glitches.
Mar. 9, 2011. Sanjit Mitra (Jet Propulsion Laboratory, California Institute of Technology, USA), Probing a Stochastic Gravitational Wave Background using a Network of Laser Interferometric Detectors.
Feb. 17, 2011. Tapan Naskar (SINP, Kolkata), The influence of black hole spin on analogue surface gravity.
Feb. 2, 2011. Suman Majumdar (CTS, IIT Kharagpur), Matched Filter Detection of Ionized Bubbles During Epoch of Reionization.
Dec. 29, 2010. Sourav Bhattacharya (S. N. Bose National Centre for Basic Science, Kolkata), Black holes and the positive cosmological constant.
Dec. 22, 2010. Soumini Chaudhury (Saha Institute of Nuclear Physics, Kolkata), A model for dark matter halo in milky way: Implications for direct detection of WIMPs.
Dec. 8, 2010. Patrick Peter (Institute of Astrophysics, Paris, France), Currents in cosmic strings and associated cosmology.
Dec. 7, 2010. Hung-Yi Pu (National Tsing Hua University, Taiwan), Accretion Disks in Black Hole X-ray Binaries and Jet Formation.
Sep. 29, 2010, Jishnu Dey (Presidency College, Kolkata), Strange Star, Pion Gas and hydrodynamics, nuclear-particle physics and astrophysics.
Sep. 22, 2010, Mira Dey (Presidency College, Kolkata), Strange Quark Matter & Strange Stars.
Sep. 15, 2010, Sushan Konar (HRI, Allahabad), Millisecond Pulsars : A tale of two populations.
Aug. 25, 2010, Gaurav Goswami (IUCAA, Pune), The origin of features in primordial power spectra.
Aug. 18, 2010, Shailesh Kulkarni (HRI, Allahabad), Variants of the Unruh effect with modified dispersion.
Aug. 11, 2010, Sujoy Kumar Modak (SN Bose Centre, Kolkata), Black Hole Thermodynamics: Semi-classical Approaches and Beyond.
Aug. 4, 2010, Sashideep Gutti (HRI, Allahabad), Modified dispersion relation and the response of a rotating Unruh-deWitt detector.
Jul. 14, 2010, Akhilesh Nautiyal (HRI, Allahabad), Inflationary model building and alternatives.
May 7, 2010, Atul Chhotray (BITS, Pilani), Classical and semi-classical aspects of black holes.
Apr. 30, 2010, Pravabati Chingangbam (Korea Institute for Advanced Study, Seoul, Korea), Search for primordial non-Gaussian signals in the CMB.
Apr. 27, 2010, Emmanuel Rollinde (Institut d'Astrophysique de Paris, Paris, FRANCE), Nucleosynthesis constraints on cosmology.
Apr. 7, 2010, Deepak Vaid (Pennsylvania State University, USA), Elementary Particles as Universal Quantum Computational Gates.
Mar. 26, 2010, Tapan Naskar (IACS, Kolkata), Cosmological Inflation and Dark Energy.
Mar. 10, 2010, Rajesh Gopal (Bose Institute, Kolkata), Magnetic fields in Astrophysics and Cosmology.
Feb. 26, 2010, Jerome Martin (Institut d'Astrophysique de Paris, PARIS), Amplication of Small-Scale Density Perturbations during Preheating in Single Field Inflation.
Jan. 6, 2010, Jaswant Yadav (HRI, Allahabad), Scale of Homogeneity.
Dec. 31, 2009, William H. Kinney (The State University oF New York, Buffalo, U.S.A), Where do primordial perturbations come from?
Dec. 23, 2009, Sourav Chatterjee (Northwestern University, USA), Dynamical Evolution of Dense Star Clusters: Challenges and Successes.
Aug 05, 2009, Sashideep Gutti (HRI, Allahabad), Quantum Gravitational Collapse in the Lemaitre-Tolman-Bondi model with a positive cosmological constant.
May 20, 2009, J. S. Bagla (HRI, Allahabad), The hyperfine transition of $^3$He~(II) as a probe of a intergalactic medium.
Apr. 29, 2009, Alok C. Gupta (ARIES, Nainital), Multi-wavelength Studies of Active Galactic Nuclei (AGNs) and Gamma-Ray Bursts (GRBs) .
Apr. 22, 2009, Sourav Sur (University of Lethbridge, Canada), Cosmic (super-)acceleration in the realm of kinetically interacting double quintessence .
Apr. 08, 2009, Sudipta Das (HRI, Allhabad), Non-Minimal Quintessence with Nearly Flat Potential
Mar. 18, 2009, Pravabati Chingangbam (Korea Institute for Advanced Study, Seoul, South Korea), Signatures of primordial non-Gaussianity.
Feb. 18–27, 2009, Ravi K. Sheth (University of Pennsylvania, Philadelphia), Lecture series on the halo model of clustering (4 lectures; slides).
Feb. 09–19, 2009, Antonella Maselli (MPA, Garching), Lecture series on radiative transfer (5 lectures; slides).
Dec. 16, 2008, Kanan K. Datta (IIT, Kahragpur), Probing Cosmological Reionization through Radio-Interferometric Observations of Neutral Hydrogen.
Dec. 10, 2008, Raghavan Rangarajan (Physical Research Laboratory, Ahmedabad), Gravitino Production in an Inflationary Universe and Implications for Leptogenesis.
Nov. 20, 2008, Jerome Martin (Institut D' Astrophysique De Paris, Paris), DBI inflation: Theoretical predictions and comparison to CMB data.
Sep. 24, 2008, Shilesh Kulkarni (S. N. Bose National Centre for Basic Sciences, Kolkata), Hawking fluxes and anomalies.
Sep. 18, 2008, Ratna Koley (IACS, Kolkata), Confinement of fermions in warped spacetime and the smallness of cosmological constant.
Sep. 17, 2008, Supratik Pal (ISI, Kolkata), Cosmology on the 3-brane: Prospects and problems.
Sep. 12, 2008, Kandaswamy Subramanian (IUCAA, Pune), Galactic outflows and the IGM.
Sep. 10, 2008, Kandaswamy Subramanian (IUCAA, Pune), Magnetic helicity conservation in galactic dynamos.
Jul. 17, 2008, Soumen Basak (IAP, Paris), Simulating weak lensing on CMB maps.
Jul. 15, 2008, Sudipta Das, Brans-Dicke scalar field as a chameleon.
May 21, 2008, Tirthabir Biswas (Penn State Univ.), Dark Energy vs. Local Void.
Apr. 23, 2008, Archana Pai(MPI for Gravitaional Physics, Potsdam), Optimal source tracking and beaming of LISA.
Apr. 16, 2008, S. Shankaranarayanan(Portsmouth U., ICG), Sub-leading corrections to black-hole entropy.
Mar. 31, 2008, Jayanti Prasad, Aspects of Gravitaional Clustering in an Expanding Universe.
Feb. 13, 2008, Biswajit Pandey (IUCAA, Pune), The luminosity star formation relation and filamentarity of the star forming galaxies in the Sloan Digital sky Survey Release Five.
Jan. 2, 2008, Tulasi Nandan Parashar (University of Delaware), Kinetic Dissipation and anisotropic heating in collisioness plasmas.
Dec.12, 2007, Michal Dovciak (Academy of Science, Czech Republic), Relativistic effects on radiation from accretion discs in strong gravity.
Nov. 29, 2007, Rajarshi Tiwari,Cosmological Parameter Estimation with High Redshift Supernovae.
Nov. 29, 2007, Ipsita Mandal, Cosmological Perturbation Theory.
Nov.7, 2007, Jinn-Ouk Gong, Minimal Extra Dimensional Cosmology from Hidden Sector.
Sep. 26, 2007, Shrirang Deshingkar,Can we see naked singularities?.
Sep. 17, 2007, Jayant K. Pendharkar (IIA, Bangalore), Anticorrelated Hard X-ray time lags in Galactic BH sources: Evidence for truncated accretion disk models.
July 2, 2007, Alok Gupta (Nanjing) Variability of AGNs on Diverse Time Scales.
June 20, 2007, Aseem Paranjape (TIFR) A covariant approach to spatial averaging in Cosmology.
June 6, 2007, Jinn-Ouk Gong Generation of perturbation after multi-field inflation.
June 4, 2007, T. Padmanabhan (IUCAA) Fun with Newtonian Gravity.
April 24, 2007, Jinn-Ouk Gong Multiple scalar particle decay and perturbation generation.
April 17, 2007, A. N. Ramaprakash (IUCAA) IUCAA Girawali Observatory.
April 9, 2007, Rajesh Gopal (IUCAA) Magnetic Fields in Cosmology.
Feb.9, 2007, Gianluca Calcagni (University of Sussex, UK) Ghost conditions for Gauss-Bonnet cosmologies.
Jan.31, 2007, A. Gopakumar (Theoretisch-Physikalisches Institut, Jena), Inspiral dynamics of compact binaries: its applications and implications.
Jan.29, 2007, A. Gopakumar (Theoretisch-Physikalisches Institut, Jena), Gravitational Wave Astronomy.
Jan.9, 2007, S. Shankaranarayanan (Max Planck Institute for Gravitational Physics, Potsdam), Entanglement as the source of black-hole entropy.
Dec.20, 2006, Paramita Barai (University Leval),Modeling the Power Evolution of Classical Double Radio Galaxies over Cosmological Scales.
Dec.7, 2006, Ashish Mahabal, Science with Synoptic Sky Surveys.
Nov.9, 2006, Subharthi Ray (IUCAA), Effects of the non-circular beams in the CMB power spectrum estimation.
Nov.6, 2006, Swara Ravindranath (IUCAA), Observational Constraints on Galaxy Formation from Deep Surveys.
Oct.27, 2006, Tarun Souradeep (IUCAA), Celebrating the Cosmic Microwave Background.
Sep.25, 2006, Shrirang Deshingkar, Accurate extraction of the News.
Sep.19, 2006, Sudip Bhattacharyya (GSFC), What thermonuclear bursts can tell us about Neutron stars.
June 20, 2006, Indranil Chattopadhyay (Chungnam National University, South Korea), Equation of State in Numerical Hydrodynamics.
June 14, 2006, T. Roy Choudhury (IIT Kharagpur), Studying Cosmic Reionisation with Recent Observations.
May 19, 2006, Girish Kulkarni, Planetary Nebulae as tracers of mass in elliptical galaxies.
April 26, 2006, Rajeev Kumar Jain, Scale free spectra from non-vacuum initial states.
April 24, 2006, Nishikanta Khandai, Neutral Hydrogen at high redshifts as a probe of large scale structure.
April 24, 2006, Jayanti Prasad,Effect of Box size on Physical Quantities in Cosmological N-Body Simulations.
April 21, 2006, Prof. K. Subramanian (IUCAA, Pune), Magneto-Genesis in the Universe.
April 18 and 20, 2006, Prof. K. Subramanian (IUCAA, Pune),Physics of the Cosmic Microwave Background Radiation.
Jan.18, 2006, Arnab Kumar Ray, Critical solutions and large scale properties of an accretion disc.
Oct.26, 2005, C. Muthu (Institute of Astronomy and Astrophysics, Academia Sinica, Taipei), Astrophysical Dust: Importance, Nature and Origin.
Oct.6, 2005, Monika Sinha (Presidency College, Kolkata), Strange Quark Matter and Astrophysical Observations.
Sep.21, 2005, Shrirang S. Deshingkar, Gravitational wave extraction in numerical relativity.
Aug.19, 2005, Prasad Subramanian, "Hybrid" Viscosity in Two-Temperature Accretion Disks around Black Holes.
Aug.17, 2005, Prasad Subramanian,Solar Noise Storm Emission: Power Estimates for Electron Acceleration.
July 27, 2005, B. Aswin Kumar (IIT, Chennai), Evolution of Perturbations in a Spatially Flat Universe
May 6, 2005, Rajeev Kumar Jain, Cosmological H-II regions and Photoionisation of the Inter-Galactic Medium
May 6, 2005, Nishikanta Khandai,A Study of Red-shift Space Distortions
May 5, 2005, Nishikanta Khandai, The Physics of the Cosmic Microwave Background Anisotropies
May 5, 2005, Rajeev Kumar Jain,Generation of Perturbations during Inflation
April 28, 2005, T. Padmanabhan (IUCAA), Subtle is the Malice of the Lord: A new perspective on gravity
Mar.24, 2005, H. K. Jassal, Observational constraints on dark energy evolution.
Mar.17-22, 2005, J. V. Narlikar (IUCAA, Pune), Cosmology from Sidelines.
Mar.9, 2005, L. Sriramkumar, Does the primordial spectrum probe Planck scale physics?
Feb.22, 2005, Prof. A. K. Kembhavi (IUCAA, Pune),Fundamental Correlations in Galaxies.
Feb.21, 2005, Prof. A. K. Kembhavi (IUCAA, Pune). Virtual Observatories.
Feb.8, 2005, Sanjay Jhingan (University of Basque Country), Listening to Black Holes.
Feb.7, 2005, Sanjay Jhingan (University of Basque Country), Renormalisation group approach to cosmology.
Jan.3, 2005, Arnab Kumar Ray (HRI), Time dependent approach to the shallow water hydrolic jump.
Dec.29, 2004, Suryadeep Ray (HRI), Thesis Seminar: Gravitational clustering and large scale structures in the universe.
Dec.22, 2004, S. Deshingkar (HRI), New approach to calculating the News.
Nov.25, 2004, Tom Theuns (Durham, UK), The inter-galactic medium at redshifts 2-4.