Thursday, February 1
4:00 pm - 6:00 pm	Number Theory Seminar Building 15, Room 104 Weak subconvexity without a Ramanujan hypothesis Jesse Thorner, Department of Mathematics, Stanford University ,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) From Moonshine to Black Holes, Number Theory in Physics Jeffrey Harvey, Professor, Physics Department, Enrico Fermi Institute, University of Chicago,

Friday, February 2
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Hecke operators for characters of Rational Conformal Field Theory Jeffrey Harvey, University of Chicago,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Continuous measurements and quantum trajectories in circuit QED Arian Jadbabaie, Graduate Student, Hutzler Group,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 Exact Bulk Operators and the Fate of Locality Jared Kaplan, Johns Hopkins University,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill, Hameetman Auditorium From Cosmic Dust to Planetesimals: Models vs. Observations Paola Pinilla, NASA Hubble Fellow, Steward Observatory, University of Arizona,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 Existence of closed geodesics through a regular point on translation surfaces Weixu Su, School of Mathematical Science, Fudan University,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Building 15, Room 131 Constancy of generalized Hodge-Tate weights of a p-adic local system Koji Shimizu, Department of Mathematics, Harvard University,

Monday, February 5
4:00 pm - 5:00 pm	Applied Physics Seminar Spalding Laboratory 106 (Hartley Memorial Seminar Room) From Negative Index Metamaterials to Topological Light Sources Boubacar Kante, Assistant Professor, Electrical and Computer Engineering, UC San Diego,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Building 15, Room 104 The small quantum group in type A and the diagonal coinvariants Anna Lachowska, EPFL,
4:00 pm - 5:00 pm	Special Chemistry Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Proteins in nanoporous hydrogels: adsorption, diffusion, and folding Lydia Kisley, Beckman-Brown Interdisciplinary Postdoctoral Fellow, University of Illinois at Urbana-Champaign, The Beckman Institute for Advanced Science and Technology,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Meta Material, First Direct Observation of Reverse Cherenkov Radiation, and Test of Babinet Principle Min Chen, Massachusetts Institute of Technology,

Tuesday, February 6
11:00 am - 12:00 pm	Special Geometry Seminar Building 15, Room 131 Vertex algebras and three dimensional gauge theories Kevin Costello, Theoretical Physics, Perimeter Institute,
3:00 pm - 4:00 pm	IQI Weekly Seminar Annenberg 107 Thoughts on the Potential of Quantum Computing for Nuclear Physics Grand Challenge Problems Martin Savage, University of Washington,
4:00 pm - 5:00 pm	Special Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) The Electronic-Structural Barrier to Higher Photoconversion Efficiency in Semiconductors Scott Cushing, DOE EERE Postdoctoral Fellow , Department of Chemistry, University of California, Berkeley,
4:00 pm - 5:00 pm	CTLO-Physics-Mathematics Colloquium Cahill, Hameetman Auditorium Taking a scientific approach to teaching science and engineering Carl Wieman, Department of Physics, Stanford University,

Wednesday, February 7
3:00 pm - 4:00 pm	Logic Seminar Building 15, Room 105 Measure reducibility of countable Borel equivalence relations (after Conley and Miller), III Forte Shinko, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Circumgalactic Matter Matters for Galaxy Evolution Jessica Werk, Univ of Washington,

Thursday, February 8
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) The life of vortex knots and links and the conservation of helicity William Irvine, Associate Professor, James Franck Institute, University of Chicago,
4:00 pm - 6:00 pm	Number Theory Seminar Building 15, Room 104 Analytic Number Theory in Function Fields and Twin Primes in the Large Finite-Field Limit Ofir Gorodetsky, School of Mathematical Sciences, Tel Aviv University,

Friday, February 9
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Higher Spin de Sitter Hilbert Space Frederik Denef, Columbia University,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Quantization of the low temperature action in the SYK model Josephine Suh, Postdoctoral Scholar in Theoretical Physics, Kitaev Group,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill, Hameetman Auditorium Theory of EM counterparts of neutron star mergers Kenta Hotokezaka, Lyman Spitzer, Jr. Postdoctoral Fellow, Department of Astrophysical Sciences, Princeton University,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 Strongly automorphic mappings Alastair Fletcher, Department of Mathematical Sciences, Northern Illinois University,
4:30 pm - 5:30 pm	Caltech/UCLA Joint Analysis Seminar Downs 103 Factorising X^n Jonathan Hickman, Department of Mathematics, University of Chicago,
5:30 pm - 6:30 pm	Caltech/UCLA Joint Analysis Seminar Downs 103 A Epiperimetric approach to singular points in the Alt-Caffarelli functional Max Engelstein, Department of Mathematics, MIT,

Monday, February 12
8:30 am - 12:30 pm	Short Course: Mars Subsurface Exploration - Life and Resources in the Martian Subsurface South Mudd 365
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 131 Measure reducibility of countable Borel equivalence relations (after Conley and Miller), IV Forte Shinko, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Building 15, Room 104 Hypertoric varieties and perverse sheaves Carl Mautner, Department of Mathematics, UC, Riverside,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Leptophilic forces now and then: reconciling (g-2)_\mu and H_0 with gauged L_\mu - L_\tau Gordon Krnjaic, Fermilab,

Tuesday, February 13
2:30 pm - 4:00 pm	Physics and Geometry Seminar Lauritsen 469 The Seiberg-Witten equations with multiple spinors in dimension three Andriy Haydys, Freiburg University,
4:00 pm - 5:00 pm	CMI Seminar Annenberg 314 Spherical t-designs as a general purpose tool for partial de-randomization (1st of 2 parts) Richard Kueng, CMI Postdoctoral Scholar, CMS, Caltech,

Wednesday, February 14
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Early Galaxies and Cosmic Reionization: Progress & Challenges Richard Ellis, University College London,
8:00 pm - 9:30 pm	Michael H. Dickinson - "Using the Brain of a Modern Fly to Reconstruct the Behaviors of an Ancient World" Beckman Auditorium

Thursday, February 15
2:00 pm - 3:00 pm	Special TAPIR Seminar East Bridge 201 (Richard P. Feynman Lecture Hall) Vorticies from low-mass planet formation James Owen, NASA Hubble Fellow, Institute for Advanced Study,
4:00 pm - 6:00 pm	Number Theory Seminar Building 15, Room 104 Special values of L-functions Ameya Pitale, Department of Mathematics, University of Oklahoma,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Neutrinos - small particles, big science Anne Schukraft, Fermilab,

Friday, February 16
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 On singularities of super-conformal field theories Mario Martone, University of Texas - Austin,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar Annenberg 105 A quantum gas of polar KRb molecules in an optical lattice Jacob Covey, Richard Chace Tolman Postdoctoral Scholar, Endres Group,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 Seiberg-Witten differential via primitive forms Dan Xie, Harvard University,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 CANCELLED DUE TO FLU -- TO BE RESCHEDULED Camille Avestruz, KICP and Fermi Postdoctoral Fellow, Kavli Institute for Cosmological Physics, University of Chicago,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 On Renormalized Volume Franco Vargas Pallete, Department of Mathematics, UC Berkeley,

Tuesday, February 20
3:00 pm - 4:00 pm	IQI Weekly Seminar Moore B270 Quantum supremacy: checking a quantum computer with a classical supercomputer John Martinis, Google,
4:00 pm - 5:00 pm	CMI Seminar Annenberg 314 Spherical t-designs as a general purpose tool for partial de-randomization (2nd of 2 parts) Richard Kueng, CMI Postdoctoral Scholar, CMS, Caltech,
4:00 pm - 5:00 pm	Number Theory Seminar Building 15, Room 122 Special cycles on simple Shimura varieties Wei Zhang, Department of Mathematics, MIT,

Wednesday, February 21
1:30 pm - 3:00 pm	Physics and Geometry Seminar Lauritsen 469 Geometric Recursion Jorgen Andersen, Aarhus University,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Diversity Revealed: Stellar Rotation and the Time Domain Revolution Marc Pinsonneault, Ohio State,

Thursday, February 22
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) A toy quantum black hole Alexei Kitaev, Ronald and Maxine Linde Professor of Theoretical Physics and Mathematics, Caltech,
4:00 pm - 6:00 pm	Number Theory Seminar Building 15, Room 104 Theta and the big Hecke action Sean Howe, Department of Mathematics, Stanford University,
5:00 pm - 6:00 pm	The Interstellar Age Guggenheim 133 (Lees-Kubota Lecture Hall)

Friday, February 23
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Correlation Functions in CFTs with Weakly Broken Higher Spin Symmetry Sasha Zhiboedov, Harvard University,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Machine Learning and Quantum Physics Evert van Nieuwenburg, Postdoctoral Scholar, Refael Group,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 Topological terms in Yang-Mills theory with time-reversal symmetry Pavel Putrov, Institute for Advanced Study,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill, Hameetman Auditorium Three Dimensional Radiation Hydrodynamic Simulations Reveal the Mysteries of Massive Stars Yan-Fei Jiang, KITP Fellow, Kavli Institute of Theoretical Physics, University of California, Santa Barbara,
3:00 pm - 4:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Levitated Nanomagnets in the Quantum Regime: Theory and Applications Oriol Romero Isart, Institute for Quantum Optics and Quantum Information , Austrian Academy of Sciences,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 A Characterization of Braid Axes Ken Baker, Department of Mathematics, University of Miami ,
4:00 pm - 5:00 pm	Caltech/UCLA Joint Analysis Seminar TBA Casey Jao, Department of Mathematics, UC, Berkeley,
5:00 pm - 6:00 pm	Caltech/UCLA Joint Analysis Seminar The Helicoidal Method Camil Muscalu, Department of Mathematics, Cornell University,
7:00 pm - 9:00 pm	Stargazing Lecture Cahill, Hameetman Auditorium Galaxies Aren't Great at Making Stars Matt Orr, PhD Candidate, Department of Theoretical Astrophysics (TAPIR), Caltech,

Monday, February 26
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Single-molecule catalysis: nanoparticles and polymers Peng Chen, Peter J. W. Debye Professor of Chemistry, Chemistry & Chemical Biology, Cornell University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 A Unified Program of Argon Dark Matter Searches: DarkSide-20k and Beyond Cristiano Galbiati, Princeton University,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Building 15, Room 104 Semisimplificat​ion of tensor categories Pavel Etingof, Department of Mathematics, Massachusetts Institute of Technology ,

Tuesday, February 27
11:00 am - 12:00 pm	Chemical Physics Seminar Crellin 151 Single-molecule chemistry: from transcription regulation to solar energy conversion Peng Chen, Peter J. W. Debye Professor of Chemistry, Department of Chemistry and Chemical Biology, Cornell University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Tests of Fundamental Symmetries with Neutrons Leah Broussard, Oak Ridge Laboratory,
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) The nonequilibrium dynamics of electrons and holes in disordered molecular semiconductors Adam Willard, Assistant Professor, Department of Chemistry, Massachusetts Institute of Technology,

Wednesday, February 28
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 105 Proximal Actions, Strong amenability, and the Infinite Conjugacy Class Property Joshua Frisch, Department of Mathematics, Caltech,
2:30 pm - 3:30 pm	Analysis Seminar Building 15, Room 131 Connectivity of the Julia set for Newton's maps: A unified approach Xavier Jarque, Departament de Matemàtiques i Informàtica, Universitat de Barcelona,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Discovering the Highest Energy Neutrinos Using a Radio Phased Array Abigail Vieregg, U. Chicago,