Wednesday, April 1
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Relational Perspectives in Quantum Gravity: Quantum Reference Frames and the Observer Dependence of Entropy Anne-Catherine de la Hamette,
12:00 pm - 1:00 pm	Logic Seminar Online Event Gδ​ Circle Squaring Spencer Unger, Assistant Professor, Department of Mathematics, University of Toronto,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) New Views on Extreme Starbursts: Clumps in Local ULIRGs with JWST Laura Lenkic, Caltech/IPAC,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium (Spatially) resolved clues about giant planets with JWST and friends Laurent Pueyo, Associate Astronomer, Space Telescope Science Institute,

Thursday, April 2
2:30 pm - 3:30 pm	Caltech/USC Joint Algebra & Geometry Seminar (1/2) Linde Hall 187 TBD Mee Song Im, Assistant Professor, Department of Mathematics, Johns Hopkins University,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Sums along binary quartic forms Mayank Pandey, PhD Candidate, Department of Mathematics, Princeton University,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Quantum Simulation of the Unknown: Observation of Pseudogap Physics in the Fermi–Hubbard Model at Ultralow Temperatures Markus Greiner, Professor of Physics, Physics, Harvard,
4:00 pm - 5:00 pm	Caltech/USC Joint Algebra & Geometry Seminar (2/2) Linde Hall 187 Gluing in Heegaard-Floer theory Peng Zhou, Postdoc, Department of Mathematics, UC Berkeley,

Friday, April 3
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Navigating Collider Phenomenology with Light-Ray Operators & Chew-Frautschi Plot Hao Chen, Massachusetts Institute of Technology,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 From Fractionalization to Superconductivity in Flat Chern Bands — And What AI Enables Next Ahmed Abouelkomsan, MIT,
2:00 pm - 3:00 pm	Geometry and Topology Seminar (1/2) Linde Hall 310 Flexibility and degeneracy around a theorem of Thurston Alex Nolte, Postdoc, Department of Mathematics, IHES,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Black-hole METRICS, ringdown and fundamental physics Adrian Ka-Wai Chung, Postdoctoral Fellow, DAMTP, University of Cambridge,
3:00 pm - 4:00 pm	Geometry and Topology Seminar 2/2 Linde Hall 310 Classification of ancient cylindrical mean curvature flows and the Mean Convex Neighborhood Conjecture Yi Lai, Assistant Professor, Department of Mathematics, UCI,

Monday, April 6
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Probing Binaries and Black Holes with Microlensing Natasha Abrams, PhD candidate, UC Berkeley,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Flavor, Accidentally Hannah Banks, New York University,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 A quantum many-body index for 2d chiral superconductors Nikita A. Sopenko, Mathematical Physics, Institute for Advanced Study (IAS),

Tuesday, April 7
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Pushing Ab Initio Electron-Phonon Theory Beyond Perturbation: From Polaron Structure to Transport Joonho Lee, Assistant Professor of Chemistry and Chemical Biology, Department of Chemistry and Chemical Biology, Harvard University,

Wednesday, April 8
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Spinspacetime: A New Chapter in Relativity Joonhwi Kim, Caltech,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar Online Event Carbon dioxide and evidence for water in the Hottest exo-Neptune Yoni Brande, University of Maryland,
4:00 pm - 5:00 pm	Special Quantum Matter Seminar East Bridge 114 Quantum thermodynamics on superconducting circuits: bolometry and thermalization Jukka Pekola, Professor, Department of Applied Physics, Aalto University, Helsinki, FI, , ,
4:30 pm - 6:00 pm	Building a Tiny Open-Source Space Program: From ChipSats to Autonomous Swarms Chen 100

Thursday, April 9
2:00 pm - 3:00 pm	Special TAPIR Seminar The emergence of globular clusters and globular-cluster-like dwarfs at the EDGE of galaxy formation Ethan Taylor, Postdoctoral Fellow, School of Mathematics and Physics, University of Surrey, UK, ,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Quantum Intelligence Robert Huang, Assistant Professor of Theoretical Physics, PMA, Caltech,
4:00 pm - 7:00 pm	LA Probability Forum Linde Hall 310 Ron Peled, Professor, Department of Mathematics, University of Maryland, Shalin Parekh, Assistant Professor, Department of Mathematics, University of Maine, Rahul Rajkumar, PhD Candidate, Department of Mathematics, UC Riverside,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Higher theta series for reductive dual pairs and anomaly Avi Zeff, Postdoc, Department of Mathematics, UC Berkeley,

Friday, April 10
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Kelian Häring, University of Amsterdam,
1:00 pm - 2:00 pm	High Energy Physics Seminar Online and In-Person Event A unified approach to the self force problem Ira Rothstein, Carnegie Mellon University,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Trapping in Strong Gravity: From Black Hole Images to Gravitational Turbulence Alejandro Cárdenas-Avendaño, Assistant Professor, Physics Department, Wake Forest University,
2:00 pm - 3:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Processing massive classical data on small quantum computers Haimeng Zhao, Huang and Preskill groups,

Monday, April 13
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event TBA Claudio Manzari, Institute for Advanced Study,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 TBA Shivaji Sondhi, Professor of Physics, Department of Physics, University of Oxford,

Wednesday, April 15
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Maciek Kolanowski, UC Santa Barbara,
3:30 pm - 4:30 pm	High Energy Physics Seminar Online and In-Person Event Axial vector form factors and the scalar charge of nucleons from lattice QCD Rajan Gupta, Los Alamos National Laboratory,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium TBD Michael Blanton, Observatories Director and Crawford M. Greenewalt Chair, Carnegie Science,

Thursday, April 16
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Can Antiferromagnetic Order Survive Lattice Melting? Daniel Podolsky, Condensed Matter & Materials Physics, Technion,

Friday, April 17
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Ji Hoon Lee, ETH-Zurich,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Yuan Su, AWS Center for Quantum Computing,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Crystallization, Convection, and Magnetism in White Dwarf Stars Matias Castro-Tapia, Graduate Student, Department of Physics, McGill University,

Monday, April 20
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event TBA Pablo Quilez, CERN,

Wednesday, April 22
9:30 am - 3:00 pm	Resource-aware Quantum Benchmarking Symposium Gates-Thomas 135
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Mina Himwich, Princeton University,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium TBD Ellen Zweibel, W. L. Kraushaar Professor of Astronomy and Physics, Department of Physics & Astronomy, University of Wisconsin-Madison,

Thursday, April 23
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Quantum Interconnects and Modularity via Waveguide QED William Oliver, Professor of Physics, Department of Physics, MIT,

Friday, April 24
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Shruti Paranjape, Brown University,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 William Oliver, Director of the Center for Quantum Engineering, MIT,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Title to be announced Tal Adi, Postdoctoral Fellow, Department of Physics and Astronomy, USC,

Monday, April 27
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event TBA Seth Koren, University of Notre Dame,

Wednesday, April 29
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Francesco Calisto, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium TBD Ken Shen, Research Specialist, Department of Astronomy, UC Berkeley,
7:30 pm - 8:30 pm	POSTPONED: Watson Lecture - Sarkis Mazmanian Beckman Auditorium Sarkis Mazmanian, Luis B. and Nelly Soux professor of microbiology; Merkin Institute Professor,

Thursday, April 30
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Nelson Darkwah Oppong, Assistant Professor of Physics, PMA, Caltech,