* invited talks

Upcoming Seminars and Conferences:

1. QuRIOS Collaboration Meeting* (Los Angelos, California): Infrared Finite Scattering Theory: Paradigms and Puzzles (March 2024)

Colloquia:

1. Quantum Gravity in the Lab*: Gravitationally Mediated Entanglement: Newtonian Field, Gravitons and Black Holes (July 2022)- link to slides

Organized Conferences:

1. Random Physics (Princeton, NJ) - March 2024 (PCTS)

2. Nonlinear Aspects of General Relativity (Princeton, NJ) - October 2023 (Joint w/ PCTS and PGI)

3. Quantum Information, Dynamics and Ergodicity: From Many-Body Systems to Gravity (Princeton, NJ) - February 2023 (PCTS)

Seminars:

1. Caltech High Energy Seminar (Amherst): Local Consequences of Asymptotic Symmetries (January 2025) - link to slides

2. MIT String/Gravity Seminar* (Boston, Mass.): Generalized Black Hole Entropy is von Neumann Entropy (March 2024)

3. Univ. of British Columbia High Energy Seminar* (Vancouver, Canada): Generalized Black Hole Entropy is von Neumann Entropy (February 2024)

4. Radboud Univ. Quantum & Gravity Seminar* (Nijmegen, Netherlands): Generalized Black Hole Entropy is von Neumann Entropy (February 2024)

5. UBC High Energy Seminar* (Vancouver, Canada): Generalized Black Hole Entropy is von Neumann Entropy (February 2024) - link to slides

6. Radboud Univ. Quantum & Gravity Seminar* (Nijmegen, Netherlands): Generalized Black Hole Entropy is von Neumann Entropy (February 2024) - link to slides

7. UCSB High Energy and Gravity Seminar* (Santa Barbara, CA): Generalized Black Hole Entropy is von Neumann Entropy (November 2023) - link to recording

8. UChicago Kadanoff Seminar* (Chicago, Illinois): Generalized Black Hole Entropy is von Neumann Entropy (October 2023)

9. UIUC Theoretical and Mathematical Physics Seminar* (Urbana-Champaign, Ill.): Generalized Black Hole Entropy is von Neumann Entropy (October 2023) - link to slides

10. Quirios Workshop* (Amsterdam, Netherlands): Horizons are Watching You (July 2023) - link to slides

11. ESI Workshop on Spectral Theory and Mathematical Relativity* (Vienna, Austria): Infrared Finite Scattering Theory in QFT and Quantum Gravity (June 2023) - link to slides

12. Joint TU and U Vienna Seminar* (Vienna, Austria): Infrared Aspects QFT and Quantum Gravity: Scattering and Coherence (May 2023) - link to slides

13. UChicago Kadanoff Seminar* (Chicago, Illinois): Horizons are Watching You (May 2023) - link to slides

14. McGill HEP Seminar* (Montreal, Quebec): Horizons are Watching You (March, 2023) - link to slides

15. Stanford It From Quibit Group Meeting* (Palo Alto, California): Infrared Finite Scattering Theory in QFT and Quantum Gravity (February 2023)

16. Stanford HEPL + Gravity Seminar* (Palo Alto, California): Horizons are Watching You (February 2023)

17. Berkeley Center for Theoretical Physics String Seminar* (Berkeley, California): Horizons are Watching You (February 2023) - link to slides

18. Harvard Center for Fundamental Laws and Nature High Energy Theory Group Meeting* (Cambridge, Massachusetts): Horizons are Watching You (February 2023) - link to slides

19. Perimeter Institute Quantum Gravity Seminar* (Waterloo, Ontario): Horizons are Watching You (February 2023) - link to slides

20. University of Chicago High Energy Lunch Seminar* (Chicago, Illinois): Horizons are Watching You (January 2023)

21. Van Swinderen Institute for Particle Physics & Gravity Seminar* (Groningen, Netherlands): Black Holes are Watching You (December 2022) - link to slides

22. DGRAV Seminar* (joint seminar with Bob Wald): Black Holes are Watching You (December 2022) - link to slides

23. Van Swinderen Institute for Particle Physics & Gravity Seminar*(Groningen, Netherlands): Infrared Finite Scattering Theory in QFT and Quantum Gravity (November 2022) - link to slides

24. Princeton Amplitudes Group Meeting* (Princeton, New Jersey): Infrared Finite Scattering Theory in QFT and Quantum Gravity (November 2022) - link to slides

25. VandyGRAF Seminar* (Nashville, Tenessee): Black Holes are Watching You (November 2022) - link to slides

26. Caltech TAPIR Seminar* (Pasadena, California): Gravitationally Mediated Entanglement: Newtonian Field, Gravitons and Black Holes (October 2022) - link to slides

27. UVA Gravity Seminar* (Charlottesville, Virginia): Infrared Finite Scattering Theory in QFT and Quantum Gravity (October 2022) - link to slides

28. Princeton Gravity Initiative Seminar* (Princeton, New Jersey): Black Holes are Watching You (October 2022) - link to slides

29. IQOQI Seminar* (Vienna, Austria): Black Holes Decohere Quantum Superpositions (September 2022) - link to slides

30. Vienna Relativity Seminar* (Vienna, Austria): The Memory Effect and Infrared Finite Scattering Theory in QFT and Quantum Gravity (September 2022) - link to slides

31. UCL Seminar* (London, England): Black Holes Decohere Quantum Superpositions (August 2022) - link to notes

32. UC Davis High Energy Seminar* (Davis, California): Infrared Finite Scattering Theory in QFT and Quantum Gravity (June 2022) - link to slides

33. Carleton University High Energy Seminar* (Ottowa, Canada): Gravitationally Mediated Entanglement: Newtonian Field vs. Gravitons (May 2022) - link to slides

34. UPenn High Energy Seminar* (Philadelphia, PA): Infrared Finite Scattering in QFT and Quantum Gravity (January 2022) — link to slides

35. Gravity Amazonia Meeting* (Belém, Brazil): Infrared Finite Scattering Theory in QED and Quantum Gravity (August 2021) — link to slides

36. University of New Brunswick Gravity Meeting* (New Brunswick, CA) Asymptotic States in Quantum Gravity (December 2020) — link to slides

37. KITP High Energy and Gravity Seminar* (Santa Barabara, California): Memory, Infrared Divergences and Asymptotic States in Quantum Gravity (November 2020) — link to slides

38. University of Chicago Kadanoff Center Meeting* (Chicago, Ill.) Memory and IR Divergences in Quantum Gravity (May 2020)

39. Stanford Institute for Theoretical Physics Colloquium* (Pasadena, CA) The Memory Effect, Asymptotic Symmetry and Infrared Divergences in Classical and Quantum Gravity (September 2019) — link to slides

40. University of Chicago Kadanoff Seminar* (Chicago, Ill.) The Memory Effect, Asymptotic Symmetries and Infrared Divergences in Classical and Quantum Gravity (May 2019) — link to slides

41. Amherst Center for Fundamental Interactions Seminar* (Amherst, Mass.) The Memory Effect, Asymptotic Symmetry and Infrared Divergences in Classical and Quantum Gravity (March 2019)

42. Amherst Center for Fundamental Interactions Seminar* (Amherst, Mass.) The Gravitational Wave Memory Effect in all Spacetime Dimensions (November 2017)

Conferences and Workshops:

1. Northeast Gravity Workshop (Amherst): Local Consequences of Asymptotic Symmetries (January 2025)

2. Hamburg Prize in Theoretical Physics Symposium* (Hamburg, Germany): (awarded to E. Witten) Generalized Black Hole Entropy is Von Neumann Entropy (November 2023) - link to slides

3. ExU-YITP Workshop on Holography, Gravity and Quantum Information (Kyoto, Japan): Horizons are Watching You (September 2023) - link to slides

4. Quantum Effects in Gravitational Fields (Leipzig, Germany): Horizons are Watching You (September 2023) - link to slides

5. It From Qubit 2023* (Waterloo, Ontario): Horizons are Watching You (July 2023) - link to talk

6. Strings 2023* (Waterloo, Ontario): Infrared Aspects QFT and Quantum Gravity: Scattering and Coherence (July 2023) - link to talk 

7. Peyresq Workshop* (Peyresq, France): Horizons are Watching You (June 2023) - link to slides

8. ICASU Modified Gravity Workshop* (Urbana-Champaign, Illinois): Horizons are Watching You (May 2023) - link to slides

9. APS April Meeting (Minneapolis, Minnesota): Horizons are Watching You (April 2023) - link to slides

10. Celestial Amplitudes and Flat Space Holography Workshop* (Corfu, Greece): Infrared Finite Scattering Theory in QFT and Quantum Gravity (September 2022) - link to slides

11. Fundamental Aspects of Gravity Workshop* (London, England): Infrared Finite Scattering Theory in QFT and Quantum Gravity (August 2022) - link to slides

12. 23rd International Conference on General Relativity and Gravitation (Beijing, China): Gravitationally Mediated Entanglement: Newtonian Field vs. Gravitons (July 2022) - link to slides , link to video

13. QISS 2022 - Quantum Information and Quantum Gravity Conference* (London, Ontario): Black Holes Decohere Quantum Superpositions (June 2022) - link to poster

14. 11th Central European Relativity Seminar* (Vienna, Austria): Asymptotic States in Quantum Gravity (February 2021)

15. 22nd Internation Conference on General Relativity and Gravitation (Valencia, Spain): Asymptotic Behavior of Massless Fields and the Memory Effect (July 2019)

16. Gordon Research Conference on String Theory and Cosmology* (Barcelona, Spain): Radiation and Asymptotic Symmetries with Compact Extra Dimensions (June 2019)

17. Midwest Relativity Meeting:

    • Infrared Finite Scattering Theory in QED and Quantum Gravity - (Urbana-Champaign, Illinois - October 2021) - link to slides

    • Memory, Infrared Divergences and Dressing in Quantum Gravity - (Notre Dame, Indiana - October 2020) - link to slides

    • Memory and Infrared Divergences in Quantum Gravity (Grand Rapids, Michigan – October 2019) - link to slides

    • Asymptotic Behavior of Massless Fields and the Memory Effect (Milwaukee, Wisconsin - October 2018)

    • The Memory Effect for Particle Scattering in Odd Spacetime Dimensions (Ann Arbor, Michigan - October 2017) - link to slides

18. American Physical Society April Meeting:

    • Infrared Finite Scattering Theory in QFT and Quantum Gravity (April 2022) — link to slides

    • The S-matrix and Infrared Divergences in Quantum Gravity (virtual - April 2021)

    • Memory and Infrared Divergences in Quantum Gravity (virtual - April 2020)

    • Asymptotic Behavior of Massless Fields and the Memory Effect (Denver, Colorado – April 2019)

    • The Memory Effect for Particle Scattering in Odd Spacetime Dimensions (Columbus, Ohio – April 2018)