Tuesday, February 1
2:30 pm - 3:30 pm	Caltech/UCLA/USC Joint Analysis Seminar Online Event Tidal energy in Newtonian two-body motion Sohrab Shahshahani, Department of Mathematics and Statistics, University of Massachusetts Amherst,
3:30 pm - 4:30 pm	Caltech/UCLA/USC Joint Analysis Seminar Online and In-Person Event Iterated Cauchy--Schwarz arguments and true complexity Frederick Manners, Department of Mathematics, UC San Diego,
4:00 pm - 5:00 pm	PCP Theorem Learning Seminar Linde Hall 387
4:00 pm - 5:00 pm	Chemical Physics Seminar Online and In-Person Event Probing Dynamics at Individual Defects with Ultrafast Electron Microscopy David Flannigan, Associate Professor and L.E. Scriven Chair, DIRECTOR OF UNDERGRADUATE STUDIES FOR MATERIALS SCIENCE AND ENGINEERING, Department of Chemical Engineering and Materials Science, University of Minnesota,

Wednesday, February 2
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event A circuit-level protocol and analysis for twist-based lattice surgery Christopher Chamberland, AWS Center for Quantum Computing,
12:00 pm - 1:00 pm	Logic Seminar Online Event Uniform amenability and uniform hyperfiniteness Gábor Elek, Mathematics and Statistics, Lancaster University,
4:00 pm - 5:00 pm	Astronomy Colloquium Online Event Approaching the solar dynamo from unusual angles: M-dwarf stars, polar views, and different dynamo mechanisms Benjamin Brown, Assistant Professor, Astrophysical and Planetary Sciences, University of Colorado, Boulder,

Thursday, February 3
1:00 pm - 2:00 pm	LIGO Seminar Search for continuous gravitational waves from 20 accreting millisecond X-ray pulsars in O3 LIGO data
2:00 pm - 3:30 pm	Quantum Optimal Transport Learning Seminar Linde Hall 255 Quantum Optimal Transport Learning Seminar Juan Pablo Vigneaux, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Unveiling the Higgs's secrets to unlock new physics Caterina Vernieri, SLAC,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 The Ratios Conjecture over function fields Alexandra Florea, Department of Mathematics, UC Irvine,

Friday, February 4
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event The O(n) and S_Q Conformal Field Theories in 2 dimensions Hubert Saleur, University of Southern California,
2:00 pm - 3:00 pm	TAPIR Seminar Online Event Models and Observations of High-Redshift Gravitationally Lensed Quasars Minghao Yue, Graduate Student, Steward Observatory, University of Arizona,
7:00 pm - 9:00 pm	Stargazing Lecture Online Event Mapping the Universe with Atoms and Molecules that Shine Guochao Sun, PhD Candidate, Department of Astronomy, Caltech,

Monday, February 7
12:30 pm - 1:30 pm	Berkeley-Caltech-Stanford Joint Number Theory Seminar Online Event Eichler-Shimura relations Si Ying Lee, Department of Mathematics, Harvard University,
3:00 pm - 4:00 pm	Special Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Machine learning at the atomic scale: from structural representations to chemical insight Michele Ceriotti, Associate Professor, Institute of Materials, Swiss Federal Institute of Technology in Lausanne,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Online Event Abelian Varieties not Isogenous to Jacobians over global fields Ananth Shankar, Department of Mathematics, University of Wisconsin, Madison,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 A Post-pandemic Tool for Quantum Materials Ken Burch, Professor, Boston College,
4:00 pm - 5:00 pm	Astronomy Tea Talk Online Event Evaporative Transmission Spectroscopy at Close-in Exoplanet and Exomoon Systems Apurva Oza, Jet Propulsion Laboratory/Caltech,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online Event Unlocking the CMS Experiment to Catch Long-lived Particles Cristian Peña, Fermilab,

Tuesday, February 8
2:00 pm - 3:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online Event The time-like minimal surface equation in Minkowski space: low regularity solutions Mihaela Ifrim, Department of Mathematics, University of Wisconsin, Madison,
3:00 pm - 4:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online and In-Person Event On projections and circles Malabika Pramanik, Department of Mathematics, University of British Columbia,
4:00 pm - 5:00 pm	PCP Theorem Learning Seminar Linde Hall 387

Wednesday, February 9
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Our experience with tensor network methods in magnetic resonance Ilya Kuprov, University of Southampton,
12:00 pm - 1:00 pm	Logic Seminar Online Event Measurable combinatorics in hyperfinite graphs Matthew Bowen, McGill University,
4:00 pm - 5:00 pm	Astronomy Colloquium Online Event Galaxy Evolution with Space-Based Spectroscopy: From Hubble to JWST and Beyond Casey Papovich, Professor of Physics and Astronomy, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics & Astronomy, Texas A&M University,
5:00 pm - 6:00 pm	CANCELED: Watson Lecture - Artificial Intelligence: the Good, the Bad, and the Ugly Online Event Yaser Abu-Mostafa (PhD '83), Professor of Electrical Engineering and Computer Science, Division of Engineering and Applied Science, Caltech,

Thursday, February 10
1:00 pm - 2:00 pm	LIGO Seminar Modeling the engines of multi-messenger gravitational wave events
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Neutrino and Dark Radiation Properties from Cosmic Datasets Marilena Loverde, University of Washington,
4:00 pm - 5:00 pm	LA Probability Forum Linde Hall 310 Characterising the Gaussian free field Ellen Powell, Durham University,
5:00 pm - 6:00 pm	LA Probability Forum Linde Hall 310 Combinatorial atlas for log-concave inequalities Swee Hong Chan, Department of Mathematics, UCLA,
6:00 pm - 7:00 pm	LA Probability Forum Linde Hall 310 Entropic Repulsion of 3D Ising Interfaces Reza Gheissari, Department of Statistics, UC Berkeley,

Friday, February 11
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Josephine Suh, KITP, UC Santa Barbara,
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Quantum Approximate Optimization Algorithm: MaxCut, Spin Glass, and Beyond Leo Zhou, Dubridge Postdoctoral Scholar, Preskill Group,
2:00 pm - 3:00 pm	TAPIR Seminar Online Event Binary Evolution: a Multi-messenger, Multi-band Puzzle Katelyn Breivik, Flatiron Research Fellow, Gravitational Wave Astronomy, CCA, Flatiron Institute,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Linde Hall 187 Waists, widths and symplectic embeddings Jonathan Zhu, Mathematics Department, Princeton University,

Monday, February 14
12:30 pm - 1:30 pm	Berkeley-Caltech-Stanford Joint Number Theory Seminar Online Event Crystalline local systems Yong Suk Moon, Department of Mathematics, University of Arizona,
12:30 pm - 1:30 pm	INQNET Seminar Online Event Efficient, problem-tailored variational quantum algorithms Sophia Economou, Professor, Department of Physics, Virginia Tech,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Online Event Varieties of general type with doubly exponential asymptotics Chengxi Wang, Mathematics Department, UCLA,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Quasi-Periodic Topological Bulk-Bulk Correspondence and the Dry Ten Martini Problem Dan Borgnia, Physics: Quantum Condensed Matter, Harvard University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Conformal Colliders Meet the LHC Ian Moult, Conformal Colliders Meet the LHC, Yale University,

Tuesday, February 15
3:00 pm - 4:00 pm	Discrete Analysis Seminar Linde Hall 187 Structural Szemerédi-Trotter Results Olivine Silier, Caltech,
4:00 pm - 5:00 pm	PCP Theorem Learning Seminar Linde Hall 387
4:00 pm - 5:00 pm	Chemical Physics Seminar Online and In-Person Event Precision Synthesis of Quantum Material Building Blocks Thomas J. Kempa, Assistant Professor of Chemistry and Materials Science and Engineering, Chemistry and Materials Science and Engineering, Johns Hopkins University,

Wednesday, February 16
12:00 pm - 1:00 pm	Logic Seminar Online Event Orbit equivalences of multidimensional Borel flows Konstantin Slutsky, Department of Mathematics, Iowa State University,
4:00 pm - 5:00 pm	Astronomy Colloquium Online Event Stress-Testing the Cold Dark Matter Paradigm Priyamvada (Priya) Natarajan, Professor of Astronomy, Department of Astronomy and Physics, Yale University,

Thursday, February 17
12:54 pm - 2:00 pm	LIGO Seminar Keeping Up With Experimentalists: Accurate predictions for multimessenger gravitational wave astrophysics
2:00 pm - 3:30 pm	Quantum Optimal Transport Learning Seminar Linde Hall 255 ,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event 14 Billion years on, what can we learn about Original Imperfection? Eric Cornell, JILA, University of Colorado,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 $L^p$-norm bounds for automorphic forms via spectral reciprocity Peter Humphries, Department of Mathematics, University of Virginia,

Friday, February 18
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event de Sitter Microstates from a solvable generalization of the T-Tbar deformation Eva Silverstein, Stanford University,
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Quantum simulation of particle collisions Federica Surace, AWS Quantum Postdoctoral Scholar, CMT and Preskill Group,
2:00 pm - 3:00 pm	TAPIR Seminar Online Event Cosmic rays in the context of star formation: propagation and effects Kedron Silsbee, Postdoctoral Researcher, Max Planck Institute for Extraterrestrial Physics,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Online Event Eigenvalue extremal metrics and n-harmonic maps Antoine Métras, Department of Mathematics and Statistics, Université de Montréal,
7:30 pm - 9:30 pm	杯酒谈天线上直播 (Astronomy on Tap, Chinese) Online Event 杯酒谈天线上直播 (Astronomy on Tap, Chinese) Miao Li, Research Professor, Department of Physics, Zhejiang University, Linhao Ma, PhD Candidate, Department of Physics, Caltech,

Monday, February 21
12:30 pm - 1:30 pm	Berkeley-Caltech-Stanford Joint Number Theory Seminar Online Event Canonical heights and the Andre-Oort conjecture Ananth Shankar, Department of Mathematics, University of Wisconsin – Madison,
2:00 pm - 3:00 pm	Discrete Analysis Seminar Linde Hall 187 A decoupling interpretation of an old argument for Vinogradov's Mean Value Theorem Zane Li, Department of Mathematics, Indiana University Bloomington,

Tuesday, February 22
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Some comments on supersymmetric JT gravity and SYK. Juan Maldacena, Institute for Advanced Study,
2:00 pm - 3:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online and In-Person Event TBA Stan Palasek, Department of Mathematics, UCLA,
3:00 pm - 4:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online and In-Person Event TBA Dallas Albritton, IAS,

Wednesday, February 23
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Compressive gate set tomography Martin Kliesch, University of Düsseldorf,
12:00 pm - 1:00 pm	Logic Seminar Online Event Most(?) theories have Borel complete reducts and expansions Chris Laskowski, Department of Mathematics, University of Maryland,
4:00 pm - 5:00 pm	Astronomy Colloquium Online and In-Person Event GraL: In Search of Quasar Gravitational Lenses from Gaia and Beyond Alberto Krone-Martins, Lecturer, Donald Bren School of Information and Computer Sciences, University of California, Irvine,

Thursday, February 24
1:00 pm - 2:00 pm	High Energy Physics Seminar Online and In-Person Event Searches for New Physics at the Edge of Absolute Zero Jonathan Ouellet, Massachusetts Institute of Technology,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Cold and ultra-cold molecules for quantum science John Doyle, Harvard University,

Friday, February 25
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Singularities From Entropy Raphael Bousso, UC Berkeley,
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event High fidelity quantum science with Rydberg atom arrays Adam Shaw, Graduate Student, Endres Group,
1:00 pm - 2:00 pm	High Energy Theory Seminar Online and In-Person Event What is (the physics of) TMF? Sergei Gukov, Caltech,
2:00 pm - 3:00 pm	TAPIR Seminar Online Event Gas dynamics, inflow and star formation in centre of the Milky Way Mattia Sormani, Postdoctoral Researcher, Institute for Theoretical Astrophysics, Universität Heidelberg,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Online Event TBA Jonathan Zung, Department of Mathematics, Princeton University,

Monday, February 28
12:30 pm - 1:30 pm	Berkeley-Caltech-Stanford Joint Number Theory Seminar Online Event Moduli of Fontaine-Laffaille modules and mod p local-global compatibility Bao Le Hung, Department of Mathematics, Northwestern University,
12:30 pm - 1:30 pm	INQNET Seminar Online Event Measuring the Capabilities of Quantum Computers Timothy Proctor, Sandia National Lab,
4:00 pm - 5:00 pm	Astronomy Tea Talk Online Event Revealing the Star Formation History of our Solar Neighborhood: Supernova-Driven Star Formation on the Surface of the Local Bubble Catherine Zucker, Hubble Fellow, Space Telescope Science Institute,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Coulomb enhancements for fundamental physics Ryan Plestid, University of Kentucky,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Linde Hall 387 Sectorial descent for wrapped Fukaya categories and applications to mirror symmetry Sheel Ganatra, Department of Mathematics, USC,
7:30 pm - 9:30 pm	Astronomy on Tap Online Event "Black Holes" and "Binary Stars" Ron Tso, PhD Candidate, Department of Physics, Caltech, Ylva Götberg, Postdoctoral Fellow, Carnegie Observatories,