Recent talks
Old talks and conferences

Seminar, "What can cosmology tell us about Gravity?", University of Sussex, October 31, 2016
Seminar, "What can cosmological tests tell us about Gravity?", APC, University of Paris 7, May 24, 2016
Gravity seminar, "What can cosmological tests tell us about Gravity?", UBC, Mar 9, 2016
Invited talk, workshop on Cosmological Tests, Lorentz Centre, Leiden, Nov 16-19, 2015
Invited talk, Cosmic Polarization Rotation from Galilean Principles to Cosmology, Florence, Sept 7-8, 2015
Colloquium, Yerevan Physics Institute, Sept 25, 2015
Invited talk, Nordita workshop on Origin, Evolution and Signatures of Magnetic Fields, Stockholm, June 15 - July 10, 2015
Theory seminar, Institute of Cosmology and Gravitation, Portsmouth, June 17, 2015
Cosmology seminar, Perimeter Institute, April 30, 2015
Theory seminar, Washington University in St Louis, March 5, 2015
Invited talk, The quest for Dark Energy II, Ringberg Castle, Germany, Dec 14-19, 2014
Invited talk, The 2nd C-SDSS IV Meeting, NAOC, Beijing, Nov 13-14, 2014
Gravity seminar, "Cosmological Tests of GR", WVU, Sept 26, 2014
Colloquium, "Cosmic Microwaves, the B-modes and the Smoking Guns", Dept of Physics and Astronomy, WVU, Sept 25, 2014
Cosmology seminar, "Cosmological Tests of GR", Carnegie Mellon University, Sept 24, 2014
Invited talk, Workshop on Non-linear Structure in the Modified Universe, Lorentz Institute, Leiden, July 14-18, 2014
Contributed talk, "Primordial Magnetism in CMB", Zeldovich-100, Moscow, June 16-20, 2014
Invited talk, "B-modes from Cosmic Strings", Cosmological Frontiers in Fundamental Physics, APC, Paris, June 10-13, 2014
Cosmology seminar, "CMB B-modes: the quest for other smoking guns", Imperial College London, June 5, 2014
Plenary talk, "Comoslogical Tests of Gravity", CCGRRA, Winnipeg, May 21-23, 2014
Colloquium, "Cosmological Tests of Gravity", Virtual Institute of Astroparticle Physics, May 16, 2014
Invited talk, "Cosmic Strings 2014", Arizona State University, Feb 3-5, 2014
Invited talk, The Modern Physics of Compact Stars and Relativistic Gravity, Yerevan, Sept 18-21, 2013
Theory seminar, Department of Physics, Yerevan State University, May 15, 2013
Colloquium, Yerevan Physics Institute, May 15, 2013
Invited talk, Workshop on Cosmological Tests of Gravity, Oxford, Mar 14, 2013
Invited talk, Workshop on Quantized Flux in Tighly Knotted and Linked Systems, Isaac Newton Institute, Cambridge, Dec 3-7, 2012
Colloquium, Institute for Theoretical Astrophysics, University of Oslo, Nov 9, 2012
Cosmology seminar, Intitute for Theoretical Astrophysics, University of Oslo, Nov 8, 2012
Invited talk, Workshop on Searching Cosmic Strings in New Observational Windows, McGill University, Montreal, Oct 26-28, 2012
Astrophysics sector colloquium, SISSA, Trieste, Oct 2, 2012
Invited talk, CAP congress, Calgary, June 11-15, 2012
Invited talk, Theory 7 Canada, U. of Lethbridge, June 7-9, 2012
Seminar, School of Physics and Astronomy, U. of Manchester, May 4, 2012
Particle and Astro Seminar, Arizona State University, Dec 7, 2011
Invited talk, Workshop on Progress in Theoretical and Observational Cosmology, Beijing, Nov 7-11, 2011
Talk, COSMO11, Porto, Aug 22-26
Invited talk, DEUS workshop, Copenhagen, Aug 8-12, 2011
Talk, PASCOS 2011, Cambridge, July 7, 2011
Invited seminar, APC Paris, June 20, 2011
Theory seminar, TRIUMF, Vancouver, May 25, 2011
Institute Seminar, ICG, U. of Portsmouth, May 5, 2011
Invited talk, Primordial Magnetism 2011, Tempe, AZ, Mar 30-Apr 2, 2011
Particle and Astro Seminar, Arizona State University, Sep 29, 2010
Talk, TPI 50th anniversary, University of Alberta, Sept 18, 2010
Institute Seminar, ICG, U. of Portsmouth, May 5, 2010
Informal talk, HEP group meeting, Caltech, March 31, 2010
THC@NL Seminar, Lorentz Institute, Leiden, March 12, 2010
Particle/Theory/Cosmology seminar, Vanderbilt U., Nov 13, 2009
ISCAP seminar, Columbia U., Nov 12, 2009
Astro/Cosmo Theory Seminar, U. of Pennsylvania, Nov 9, 2009
Invited talk, Challenges in Theoretical Cosmology, Talloire, France, Sept 2-5, 2009
Invited talk, Theory Canada 5, University of New Brunswick, Fredericton, June 3-6, 2009
Astrophysics seminar, Cornell University, June 1, 2009
Talk, CASCA 2009 at U. of Toronto, May 29, 2009
Talk, Tests of Gravity Workshop, Case Western Reserve University, Cleveland, May 19-21, 2009
Talk, APS Northwest Section at UBC, May 15, 2009
Joint Tufts/MIT/CfA Tuesday Cosmology seminar, at Tufts, October 28, 2008
Colloquium, Dept. of Physics and Astronomy, University of Victoria, September 24, 2008
TRIUMF seminar, Vancouver, September 11, 2008
Speaker, 2008 CAP Lecture Tour, University of Winnipeg, March 7, 2008
Speaker, 2008 CAP Lecture Tour, Brandon University, March 6, 2008
Colloquium, 2008 CAP Lecture Tour, University of Manitoba, March 5, 2008
Invited talk, Workshop on Strings and Superstrings in Observational Cosmology, Paris, Dec 10-13, 2007
Seminar, Oxford Astrophysics group, Dec 7, 2007
Seminar, IASF/INAF, Bologna, Dec 5, 2007
Talk, Cosmo07, University of Sussex, Aug 21-25, 2007
Invited talk, Workshop on Cosmology and Strings, ICTP, Trieste, July 9-17, 2007
Invited talk, CAP congress, Saskatoon, June 17-20, 2007
Seminar, TRIUMF, Vancouver, May 29, 2007
Seminar, Herzberg Institute for Astrophysics, Victoria, March 20, 2007
Invited talk, Cosmology on Great Lakes, Perimenter Institute, November 10-12, 2006

Other recent conferences (participated without giving a talk)
Cosmological Frontiers of Fundamental Physics, APC Paris, June 14-18, 2011
Very Early Universe + 25 years, DAMTP, Cambridge, Dec 17-20, 2007
Frontiers of Modern Cosmology, Perimeter Institute, Sept 10-14, 2007

Old talks and conferences