Invited Talks/Oral Presentations



  • Dark Energy Conference, GGI, Florence, Italy (March 02-04, '09)
    •      "Running After w(z): The Stumbling Blocks"
         [Slides (PDF)] [Slides (Flash)]
  • Cosmology Seminar, Department of Physics, University of Oxford, UK (Jan 29, '09)
    •      "Probing Dark Energy and Non-Gaussianity: How Well Can We Do? "
         [Slides (PDF)] [Slides (Flash)]
  • Astrophysics Talk, Institute of Astronomy, University of Cambridge, UK (Jan 28, '09)
    •      "Measuring Primary CMB Bispectrum: The Role of the Clumpy Universe"
         [Slides (PDF)] [Slides (Flash)]
  • CASS Astrophysics Seminar, University of California, San Diego (Jan 21, '09)
    •      "Probing Dark Energy and Non-Gaussianity: How well can we do?"
         [Slides (PDF)] [Slides (Flash)]
  • Informal Astrophysics Talk, University of Michigan, Ann Arbor (Jan 16, '09)
    •      "From Microwave to Gravity Waves: The Role of Gravitational Lensing"
         [Slides (PDF)] [Slides (Flash)]
  • 213th AAS Meeting, Long Beach, CA (Jan 04-08, '09)
    •      "Probing Dark Energy: Theoretical Uncertainties"
         [Slides (PDF)] [Slides (Flash)]
  • 24th Texas Symposium on Relativistic Astrophysics, Vancouver (Dec 08-12, '08)
    •      "Running After w(z): The Stumbling Blocks"
         [Slides (PDF)] [Slides (Flash)]
  • McWilliams Center, Carnegie Mellon University: Cosmology lunch Seminar (Nov 21, '08)
    •      "A Journey through the Clumpy Universe"
         [Slides (PDF)] [Slides (Flash)]
  • Stanford University: KIPAC Tea Talk (November 18, 2008)
    •      "Probing Dark Energy and Primordial Non-Gaussianity in 15 Minutes"
         [Slides (PDF)] [Slides (Flash)]
  • UC Santa Barbara: Astrophysics Seminar (November 12, 2008)
    •      "Prospects for Probing Dark Energy and Primordial Non-Gaussianity: How well can we do?"
         [Slides (PDF)] [Slides (Flash)]
  • 8th Annual Theoretical Astrophysics in Southern California (TASC) Meeting (2008)
    •      "Weak Lensing of the Primary CMB Bispectrum"  [Won the Prize for the Best Student Talk]
         [Slides (PDF)] [Slides (Flash)]
  • Kansas State University HEP Seminar (October 15, 2008)
    •      "A Journey through the Clumpy Universe"
         [Slides (PDF)] [Slides (Flash)]
  • UC Irvine (October 08, 2008)
    •      "Cosmic Shear from Scalar-Induced Gravitational Waves"
         [Slides (PDF)] [Slides (Flash)]
  • UC Berkeley: Cosmology Group Seminar (September 16, 2008)
    •      "Measuring Dark Energy and Primordial Non-Gaussianity: Things To (Not to?) Worry About"
         [Slides (PDF)] [Slides (Flash)]
  • Cosmology with the CMB and LSS, IUCAA, Pune, India (August 2008)
    •      Title: Probing Dark Energy
         [Slides]  [Video (.wmv)]  [Video (.divx)]  [Video (.avi)]
  • Drexel University, Philadelphia (May 2008)
    •      Title: Shedding Light on the Dark Sector
         [Slides]
  • Mike Turner Symposium, University of California, Irvine (February 2008)
    •      Title: Beyond Two Dark Energy Parameters
         [Slides]
  • TASC Meeting, University of California, Los Angeles (November 2007)
    •      Title: Two Dark Energy Parameters? or More?
  • CAM 2007, McGill University, Montreal, Canada (August 2007)
    •      Title: Constraining Dark Energy with Supernovae Ia: The Role of Gravitational Lensing
         [Slides]   [Video]
  • Extragalactic Astrophysics, University of California, Irvine (February 2007)
    •      Title: Tidal Streams as Galactic Potentiometers
         [Slides]
  • TASC Meeting, University of California, Santa Barbara (October 2006)
    •      Title: Lensing of Supernovae
  • CAM 2005, San Diego (August 2005)
    •      Title: Are Recent Velocity Surveys Consistent?
         [Slides]   [Video]

Poster Presentation


  • APS April Meeting, Tampa, Florida (April 2005)
    •      Title: Are Different Velocity Surveys Consistent with Each Other?
         [Poster Image]

Other Workshops/Symposiums


  • Santa Fe Cosmology Summer Workshop (June 30 - July 18, 2008)
    •      Focus: Theoretical and obsrvational advances in various topics of cosmology 
  • Spring Symposium 2008, STScI, Baltimore, MD (May 5-8, 2008)
    •      A Decade of Dark Energy
  • 4th UC Irvine Center for Cosmology Workshop (April 17-19, 2008)
    •      On Galaxy Formation and Evolution as Revealed by Cosmic Gas
  • 3rd UC Irvine Center for Cosmology Workshop (March 22-24, 2007)
    •      On Astrophysical Probes of the Nature of Dark Matter
  • Santa Fe Cosmology Summer Workshop (July 3-21, 2006)
    •      Focus: Computational and observational advances in various fields of cosmology
  • Santa Fe Cosmology Summer Workshop (July 5-23, 2004)
    •      Focus: Theoretical and obsrvational advances in various topics of cosmology