Seminars

Talks in schools, workshops and conferences

1. Primordial features with a step and the tensor contribution, talks at :

   • Cosmology Rapid Response Meeting, Tata Institute of Fundamental Research, Mumbai, India, April 6-8, 2010

   • The Eighth Meeting on Field Theoretic Aspects of Gravity, Hemwati Nandan Bahuguna Garhwal University, Srinagar, Uttarakhand, India, April 19-23, 2010

   • Primordial Features and Non-Gaussianities, Harish-Chandra Research Institute, Allahabad, India, December 14-18 , 2010

   • poster presented at Summer School in Cosmology, The Abdus Salam International Center for Theoretical Physics, Trieste, Italy, July 19-30, 2010

2. Oscillations in the inflaton potential: Exact numerical analysis and comparison with the recent and forthcoming CMB datasets,

3. talks at :

   • The Twenty Sixth Meeting of the Indian Association for General Relativity and Gravitation, Harish-Chandra Research Institute, Allahabad, India, January 19-21, 2011

   • Indo-UK Scientific Seminar: Confronting Particle-Cosmology with Planck and LHC, Inter-University Centre for Astronomy and Astrophysics, Pune, India, August 10-12, 2011

   • COSMO 11--International Conference on Particle Physics and Cosmology, The Centro de Astrofísica da Universidade do Porto, Porto, Portugal, August 22-26, 2011

4. On the discriminating power of f_NL, talk at :

   • UK Particle Cosmology Network Meeting, Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, U.K., September 13-14, 2011

   • International Conference on Gravitation and Cosmology [ICGC2011], Goa, India, December 14-19

5. Scalar bi-spectrum during inflation and preheating, talk at :

   • Asia Pacific School/Workshop on Gravitation and Cosmology 2013, Jeju Island, Korea, February 19 -22, 2013

6. Reconstructing the primordial power spectrum, talk at :

   • Theories and Practices in Large Scale Structure Formation, APCTP Seoul Branch Office, Seoul, April 15-16, 2013

7. Cosmological parameter estimation with free-form primordial power spectrum, talk at :

   • Reconstructing the Universe: A Celebration of Alexei Starobinsky @ 65, IEU @ 5, and New Research, Institute for the Early Universe (IEU), Ewha Womans University, Seoul, Korea, June 3-5, 2013

   • 1st APCTP-NBIA joint workshop on Cosmology and Astroparticle Physics, APCTP, Pohang, Korea, October 21-25, 2013

8. Reconstruction of primordial power spectrum from WMAP and Planck, talk at :

   • New Perspectives on Cosmology, APCTP, Pohang, Korea, November 25-29, 2013

   • Cosmology and Fundamental Physics IV, APCTP, Pohang, Korea, December 5-15, 2013

9. Joining bits and pieces of reionization history, talk at:

   • Concordances and challenges in cosmology after Planck, Sexten Centre for Astrophysics, Sesto, Italy, February 18-22, 2019

Recent seminars

Local and non-local features in the primordial power spectrum and associated non-Gaussianities :

• • The Abdus Salam International Center for Theoretical Physics, Trieste, Italy, September 1, 2011

  • Royal Observatory, University of Edinburgh, Edinburgh, U.K., September 6, 2011

  • Department of Applied Mathematics and Theoretical Physics, University of Cambridge, University of Cambridge, U.K., September 16, 2011

  • AstroParticule et Cosmologie, Paris, France, September 19, 2011; Institut d'Astrophysique de Paris, Paris, France, September 22, 2011

  • Cosmo Coffee, CERN, Geneva, Switzerland, September 28, 2011; Department of Theoretical Physics, University of Geneva, Geneva, Switzerland, September 29, 2011.

Reconstructing the primordial power spectrum :

• • Universität Bielefeld, Bielefeld, Germany, July 9, 2013

  • Department of astrophysics, Georg-August-Universität Göttingen, Göttingen, Germany, July 10, 2013

  • Instituut-Lorentz for Theoretical Physics, Universiteit Leiden, Leiden, Netherlands, July 12, 2013

  • Institut d'Astrophysique de Paris, Paris, France, July 17, 2013

  • AstroParticule et Cosmologie, Paris, France, July 18, 2013

Primordial power spectrum from Planck :

• • University College London, London, UK, July 30, 2014

  • Imperial College, London, UK, August 4, 2014

  • Kavli Institute for Cosmology, Cambridge, UK, August 6, 2014

Assumptions, observations and parameter estimations in cosmology

• • Tata Institute of Fundamental Research, Mumbai, India, October 17, 2014

  • Inter-University Centre for Astronomy and Astrophysics, Pune, India, October 16, 2014

Testing the standard model of cosmology and beyond

• • Peyton Hall, Princeton University, New Jersey, USA, April 18, 2016

  • Berkeley Centre for Cosmological Physics, University of California, Berkeley, USA, April 6, 2016

Primordial Universe: the standard model and beyond

ICAP seminar, Institut d’Astrophysique de Paris, Paris, France, April 20, 2017

Fingerprints of the cosmic evolution within the photons of the Universe

Imperial College, London, June 12, 2017

The standard model of cosmology and beyond: constraints and forecasts

Institute of Theoretical Astrophysics, University of Oslo, September 20, 2018

Reconstructing the primordial Universe

Tufts University, MA, USA, September 12, 2019

Reconstructing cosmological events at early and late times

Harvard-Smithsonian Center for Astrophysics, September 20, 2019

Brown University, RI, USA, September 30, 2019