| October 2025 |
| Monday | Tuesday | Wednesday | Thursday | Friday |
| 29 Grant Remmen, Strings from almost nothing (12:30 PM - 1:30 PM) | 30 Isabel Sands, Astro-particle Phenomena from Dark Matter and Cosmic Rays in MHD Galaxy Formation Simulations (2:00 PM - 3:15 PM) + Abstract | 1 Fabrizio Rompineve, Gravitational waves from the early Universe and cosmic Domain Walls (2:00 PM - 3:15 PM) + Abstract Mathew Calkins (4:00 PM - 5:30 PM) | 2 Astro Journal Club, Ian Williams & Arjun Suresh (11:00 AM - 12:00 PM) Daniel Harlow, Quantum black holes and the emergence of space and time (4:00 PM - 5:30 PM) + Abstract | 3 Andrea Cappelli, Hydrodynamics with anomalies and effective field theory (1:30 PM - 2:30 PM) + Abstract |
| 6 Gus Beane, How To Simulate a Galaxy (12:30 PM - 1:30 PM) | 7 Gabriele Franciolini, Searching for subsolar mass primordial black holes with gravitational waves (2:00 PM - 3:15 PM) + Abstract | 8 Oliver Janssen, A prior on initial conditions in inflation from the gravitational path integral? (2:00 PM - 3:00 PM) + Abstract Mathew Calkins (4:00 PM - 5:30 PM) | 9 Astro Journal Club, Ian Williams & Arjun Suresh (11:00 AM - 12:00 PM) Marcelo Rozenberg, Simple Memristive Circuits for Brain-Inspired Computing (4:00 PM - 5:30 PM) + Abstract | 10 Lukas Lindwasser, Where is the KdV equation? Mapping the space of integrable equations (12:00 PM - 1:00 PM) + Abstract |
| 13 | 14 Eliot Quataert, The Fates of Stars Orbiting too Close to Massive Black Holes (2:00 PM - 3:15 PM) + Abstract | 15 Maryum Sayeed, Looking for Companionship: Testing Binarity of Lithium-Rich Red Giants (11:00 AM - 11:30 AM) + Abstract Maria Nocchi, A double-copy picture of strings in AdS (2:00 PM - 3:00 PM) -- Abstract: The Kawai–Lewellen–Tye (KLT) relations are a striking example of how string theory can reveal hidden structures and connect a web of, in principle, very different theories. Originally, they state that (tree-level) closed-string amplitudes can be expressed as quadratic combinations of open-string amplitudes. In the field theory limit, this gives rise to the celebrated double-copy between gluons and gravitons. In this talk, I will discuss how much of this elegant structure persists when we move from flat space to AdS. As a first step, I will propose the fundamental building blocks of tree-level open- and closed-string amplitudes in AdS and show how they are related via an AdS version of the KLT relations. This structure not only significantly simplifies explicit calculations but also points to deeper algebraic and geometric structures that remain to be uncovered. Mathew Calkins (4:00 PM - 5:30 PM) | 16 Astro Journal Club, Ian Williams & Arjun Suresh (11:00 AM - 12:00 PM) Simon Sponberg, Supra-resonant Dynamics and Self-excited Oscillations in Insect Flight (4:00 PM - 5:30 PM) + Abstract | 17 Eliezer Rabinovici, On Persistent Symmetry Breaking (2:00 PM - 3:00 PM) + Abstract |
| 20 Itai Linial, Dynamics and Formation of Energetic Transients near Massive Black Holes (12:30 PM - 1:30 PM) | 21 Colin Hill, Uncovering Physics Beyond the Standard Model in the Cosmic Microwave Background (2:00 PM - 3:15 PM) + Abstract | 22 Badal Bhalla, Three-body Encounters with Primordial Black Holes (11:00 AM - 12:00 PM) + Abstract Elizabeth Himwich, w(1+infinity) Symmetry in 4D Gravitational Scattering and Celestial Holography (2:00 PM - 3:15 PM) + Abstract Mathew Calkins (4:00 PM - 5:30 PM) | 23 Astro Journal Club, Ian Williams & Arjun Suresh (11:00 AM - 12:00 PM) Priyamvada Natarajan, New Insights Into the Formation of the First Black Holes (4:00 PM) + Abstract | 24 |
| 27 Hector Afonso Cruz, The First Billion Years in Seconds: A Fast Analytical Model for the 21-cm Cosmology with Population III Stars (12:30 PM - 1:30 PM) Marc Henneaux, The Wheeler-DeWitt equation and the BMS symmetry (2:00 PM - 2:50 PM) + Abstract | 28 Alvise Raccanelli, Learning clustering in Plato’s cave (11:00 AM - 12:00 PM) + Abstract Neelima Sehgal, Discoveries from CMB-HD (2:00 PM - 3:15 PM) + Abstract Javad Shabani, Chalk Talk: 2025 Nobel Prize Winners Research (3:30 PM - 4:45 PM) + Abstract | 29 Saniya Heeba, Dark Matter @ Finite Temperature (2:00 PM - 3:15 PM) + Abstract Mathew Calkins (4:00 PM - 5:30 PM) | 30 Astro Journal Club, Ian Williams & Arjun Suresh (11:00 AM - 12:00 PM) Thibault Damour, High-Precision Gravitational Scattering (2:00 PM - 3:00 PM) Stefano Martiniani, Though This Be Disorder, Yet There Is Order in’t (4:00 PM - 5:30 PM) + Abstract | 31 Sebastian-Philip Harris, Holographic Interfaces in Symmetric Product Orbifolds (11:00 AM - 12:15 PM) + Abstract Chrysoula Markou, Building string spectra (12:30 PM - 1:30 PM) + Abstract |