Talks

• Lectures on a tentative theory of large distance physics (Cargèse, July 2–9, 2002)
• A tentative theory of large distance physics (Wigner Symposium, New York, May 28, 2003)
• Entropy flow in near-critical quantum circuits (UBC Vancouver, May 11–16, 2005)
• Talks on RG flows, the Ricci flow, and the Yang-Mills flow:
  • Introduction to the renormalization group flow (Banff, April 15, 2008)
  • A conjecture on the Ricci flow (Banff, April 16, 2008)
  • Supersymmetric 1+1d boundary field theory (Conference in Memory of Alexei Zamolodchikov, Moscow, June 22, 2008)
  • Properties of the boundary renormalization group flow (Strasbourg, September 12, 2008)
  • Quantum field theory and the Ricci flow (Reykjavik, October 20, 2008)
  • Gradient property of the boundary rg flow for supersymmetric 1+1d quantum field theories (Munich, November 24, 2008)
  • Introduction to the 2d nonlinear model and the renormalization group flow (Stony Brook, January 22, 2009)
  • Gradient property of the boundary rg flow for supersymmetric 1+1d quantum field theories (Edinburgh, January 28, 2009)
  • Preliminary evidence for a stable 2-sphere in the Yang-Mills flow for SU(3) gauge fields on S⁴ (Pisa, June 24, 2009; addendum July 6)
  • A loop of SU(2) gauge fields on S⁴ stable under the Yang-Mills flow (MIT, November 3, 2009)
• Onsager Prize talk (APS March Meeting, Portland, March 16, 2010)
• Where does quantum field theory come from? (DOE Site Visit, Rutgers, October 24, 2011)
• Geometry of the 2D renormalization group (Brandeis, March 12, 2013)
• Where does quantum field theory come from? (Vadim Knizhnik Memorial Conference, IHES, October 31, 2013)
• Quasi Riemann surfaces (Reykjavik, August 2016: part 1, part 2)
• Two talks on quantum field theories of extended objects (Newe-Shalom and Hebrew University, February 7–8, 2017)
• A new kind of quantum field theory of (n−1)-dimensional defects in 2n dimensions (Chicheley Hall, UK, September 8, 2017)
• A new kind of quantum field theory of (n−1)-dimensional objects in 2n dimensions (University of Amsterdam, January 16, 2018)
• The shape of a more fundamental theory? (Perimeter Institute, May 31, 2018)
• Two talks at the Max Planck Institute for Physics, Munich (February 5–6, 2019):
  • Colloquium, mostly on the philosophy
  • Seminar with more technical detail
• Cosmology from the 2d renormalization group acting as the Ricci flow (Rutgers, October 1, 2019)
• First principles cosmology of the Standard Model epoch (2022, slides only, never presented)
• The CGF cosmology (2022, slides only, never presented)
• Global structure of euclidean quantum gravity (2023, slides only, never presented)
• Steampunk cosmology (Rutgers Seminar in Physics, December 3, 2024)

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