Monday, February 3
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 SUSY Rilles: A Speculation on Superstring Signatures in the Cosmic Microwave Background S. James Gates, Jr., Brown University,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Linde Hall 387 Derived traces for Soergel categories Eugene Gorsky, Department of Mathematics, UC Davis,

Tuesday, February 4
1:00 pm - 2:00 pm	LIGO Seminar West Bridge 351 (LIGO Science Conference Room) Cosmography and Black Hole Spectroscopy with Gravitational Waves Will Farr, Professor, Stoneybrook,

Wednesday, February 5
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 Reliability, Equity, and Reproducibility in Modern Machine Learning Yaniv Romano, Postdoctoral Scholar, Department of Statistics, Stanford University,
12:00 pm - 1:00 pm	Math Graduate Student Seminar Linde Hall 187 Central limit theorem on conjugacy class measure of the symmetric group Yuhui Jin, Department of Mathematics, Caltech,
2:00 pm - 3:00 pm	Logic Seminar Linde Hall 387 Weak containment of subgroups Forte Shinko, Department of Mathematics, Caltech,
3:00 pm - 4:00 pm	IQI Weekly Seminar Annenberg 314 Fault-tolerant quantum error correction in bosonic systems Kyungjoo Noh, Graduate Student, Yale University,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Detecting the Shadow of the Black Hole in M87 Feryal Ozel, Professor of Astronomy, University of Arizona,

Thursday, February 6
4:00 pm - 5:30 pm	Atiyah-Singer Index Theorem Learning Seminar Linde Hall 255 Invariance Theory Bowen Yang, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Physics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) The Christy Lecture: Cosmic alchemy in the era of gravitational wave astronomy Enrico Ramirez-Ruiz, UC Santa Cruz,

Friday, February 7
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 OPE inversion and light cone bootstrap in generic dimensions Carlos Cardona, Bohr Institute,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Conformal field theories are magical Christopher White, Postdoctoral Associate, University of Maryland Condensed Matter Theory Center,
3:00 pm - 4:00 pm	Applied Physics Seminar Watson 104 Transformative Meta-Optical Systems Dragomir N. Neshev, Professor, Physics, Australian National University,
3:00 pm - 5:00 pm	Geometry and Topology Seminar Linde Hall 187 Surface bundles, monodromy, and arithmetic groups Bena Tshishiku, Department of Mathematics, Brown University,
4:00 pm - 4:50 pm	Caltech/UCLA Joint Analysis Seminar Local smoothing for the wave equation in $2+1$ dimensions Ruixiang Zhang, Department of Mathematics, University of Wisconsin-Madison,
5:00 pm - 5:50 pm	Caltech/UCLA Joint Analysis Seminar Counting rational points close to a hypersurface Jing-Jing Huang, Mathematics & Statistics, University of Nevada, Reno,

Monday, February 10
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 The Blessings of Multiple Causes Yixin Wang, Statistics, Columbia University,
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 The Blessings of Multiple Causes Yixin Wang, Statistics, Columbia University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Structured neutron waves Dmitry Pushin, University of Waterloo,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Linde Hall 387 DG center and cocenter of a monoidal category Matt Hogancamp, Mathematics Department, Northeastern University,

Tuesday, February 11
3:00 pm - 4:00 pm	IQI Weekly Seminar Annenberg 107 Classical Coding Approaches to Quantum Applications Narayanan Rengaswamy, Graduate Student, Duke University,
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Ultrafast Dynamics and Interactions of Molecular Vibrational Polaritons Wei Xiong, Assistant Professor of Chemistry and Biochemistry, Department of Chemistry, University of California, San Diego,

Wednesday, February 12
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 Do ImageNet Classifiers Generalize to ImageNet? Ludwig Schmidt, Computer Science, UC Berkeley,
2:00 pm - 3:00 pm	Logic Seminar Linde Hall 387 Non-Archimedean tsi Polish groups, and obstructions to Borel reducibility Shaun Allison, Mathematical Sciences, Carnegie Mellon University,
3:00 pm - 4:00 pm	IQI Weekly Seminar Annenberg 314 Efficient Learning of Quantum Noise Steve Flammia, Professor, University of Sydney,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Spitzer and the High Redshift Universe: Approaching Cosmic Dawn Richard Ellis, Professor of Astrophysics, University College London,
5:00 pm - 6:00 pm	Origami and Spacecraft Structures: Current Work and a Brief History Guggenheim 133 (Lees-Kubota Lecture Hall)

Thursday, February 13
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 Topological Phase Transitions in Random Geometric Complexes Omer Bobrowski, Electrical Engineering, Technion -- Israel Institute of Technology,
4:00 pm - 5:00 pm	Physics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) Super-resolution imaging of transcription in living cells Ibrahim Cissé, MIT,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Convolution morphisms and Kottwitz conjecture Naoki Imai, Graduate School of Mathematical Sciences, University of Tokyo,
4:00 pm - 5:30 pm	Atiyah-Singer Index Theorem Learning Seminar Linde Hall 255 Invariance Theory Bowen Yang, Department of Mathematics, Caltech,
5:15 pm - 6:15 pm	PMA TecherTalk Linde Hall 310

Friday, February 14
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Entanglement islands and the information paradox Raghu Mahajan, IAS,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar Keck 142 Creating Quantum Topological Materials with 3D Microwave Photons Clai Owens, Research Scientist, Painter Group,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 On measuring the delay time distribution of binary neutron stars Mohammad Safarzadeh, Postdoctoral Fellow, Theoretical Astrophysics, UC Santa Cruz,
3:00 pm - 5:00 pm	Geometry and Topology Seminar Linde Hall 187 Decomposing sutured Instanton Floer homology Zhenkun Li, Department of Mathematics, MIT,
3:00 pm - 4:00 pm	Analysis Seminar Linde Hall 255 Asymptotic problems in spectral shape optimization Simon Larson, Department of Mathematics, Caltech,
7:00 pm - 9:00 pm	Film, Panel, & Stargazing Cahill, Hameetman Auditorium Pale Blue Dot: Perspectives on Our Planet ,

Wednesday, February 19
12:00 pm - 1:00 pm	Math Graduate Student Seminar Linde Hall 187 A comparison between model categories for concurrency Josh Lieber, Department of Mathematics, Caltech,
2:00 pm - 3:00 pm	Logic Seminar Linde Hall 387 Passing Hilbert's Final Test Jack H. Lutz, Iowa State University,
4:00 pm - 5:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Quantifying quantum speedups: improved classical simulation from tighter magic monotones Earl Campbell, EPSRC Research Fellow, University of Sheffield,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Super-Eddington Accretion Ramesh Narayan, Thomas Dudley Cabot Professor of Natural Sciences, Center for Astrophysics, Harvard University,

Thursday, February 20
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 On the modularity of elliptic curves over imaginary quadratic fields Patrick Allen, Department of Mathematics, University of Illinois, Urbana-Champaign,
4:00 pm - 5:00 pm	Physics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) The Physical Dynamics of Ice Crystal Growth Ken Libbrecht, Caltech,
4:00 pm - 5:30 pm	Atiyah-Singer Index Theorem Learning Seminar Linde Hall 255 Clifford Modules Angus Gruen, Department of Mathematics, Caltech,

Friday, February 21
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Submillimeter galaxies as tracers of protoclusters and constraints on galaxy formation models Chris Hayward, Associate Research Scientist, CCA, Flatiron Institute,
3:00 pm - 5:00 pm	Geometry and Topology Seminar Linde Hall 187 TBA Michael Willis, Department of Mathematics, UCLA,
4:30 pm - 5:20 pm	Caltech/UCLA Joint Analysis Seminar Linde Hall 310 Discrete Maximal functions over curved subvarieties Theresa Anderson, Department of Mathematics, Purdue University,
5:30 pm - 6:20 pm	Caltech/UCLA Joint Analysis Seminar Linde Hall 310 A bilinear proof of decoupling for the moment curve Zane Li, Department of Mathematics, Indiana University, Bloomington,

Monday, February 24
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 Deep Probabilistic Graphical Modeling Adji Bousso Dieng, Statistics, Columbia University,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Linde Hall 387 The tamely ramified Fundamental Local Equivalence Gurbir Dhillon, Department of Mathematics, Stanford University,
4:00 pm - 5:00 pm	Special Seminar in CMS and HSS Annenberg 105 Arrovian Aggregation of Convex Preferences (joint with F. Brandt) Florian Brandl, Economics, Stanford University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Recent progress in cosmological collider physics Zhong-Zhi Xianyu, Harvard University,

Tuesday, February 25
1:00 pm - 2:00 pm	LIGO Seminar West Bridge 351 (LIGO Science Conference Room) Weighing the quantum vacuum: the Archimedes experiment
3:00 pm - 4:00 pm	IQI Weekly Seminar Annenberg 121 Quantum East model: localization, non-thermal eigenstates and slow dynamics Nicola Pancotti, Graduate Student, Max Planck,
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 153 (J. Holmes Sturdivant Lecture Hall) Machine Learning meets First Principles towards a Periodic Table of Materials and Reactions Jose Mendoza-Cortes, Assistant Professor, Department of Physics, Scientific Computing, Material Sciences & Engineering Program; High Performance Materials Institute and Condensed Matter Theory at the National High Magnetic Field Lab, Florida State University, ,
4:00 pm - 5:00 pm	Gravitational-Wave Research Seminar Cahill, Hameetman Auditorium Low frequency gravitational waves Sarah Vigeland, University of Wisconsin, Milwaukee,

Wednesday, February 26
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Radio Emission from Stellar Systems Harish Vedantham, Staff Scientist, Netherlands Institute for Radio Astronomy (ASTRON),
4:00 pm - 5:00 pm	Special Seminar in CMS Annenberg 213 Teaching Demonstration -- Variables in Java Katherine Breeden, Assistant Professor of Computer Science, Harvey Mudd College,
4:00 pm - 5:00 pm	Special Seminar in CMS and HSS Annenberg 105 Machine Learning Meets Societal Values Steven Wu, Assistant Professor of Computer Science & Engineering, University of Minnesota--Twin Cities,

Thursday, February 27
4:00 pm - 5:00 pm	▶︎ CANCELED: Physics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) CANCELLED - The Biard Lecture: The Three-Legged Stool Eric Cornell, JILA, University of Colorado, Boulder,
4:00 pm - 5:30 pm	Atiyah-Singer Index Theorem Learning Seminar Linde Hall 255 Spinors and the Spin Complex Todd Norton, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Bounded Euler systems for Rankin-Selberg products of modular forms Antonio Lei, Department of Mathematics and Statistics, Laval University,
7:00 pm - 9:00 pm	Film, Panel, & Stargazing Cahill, Hameetman Auditorium "Cosmos: Possible Worlds" Advanced Screening ,

Friday, February 28
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Maximal Super Yang-Mills and their holographic duals Joseph Minahan, Uppsala University,
11:00 am - 12:00 pm	Special Seminar in Computing and Mathematical Sciences Annenberg 105 Data science methods to reduce inequality and improve healthcare Emma Pierson, Computer Science, Stanford University,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Lightning Round - APS style talks ,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 Universes as Big data: Superstrings, Calabi-Yau Manifolds and Machine-Learning Yang Hui-He, City, University of London,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 3D mapping of the dusty, magnetized ISM with starlight polarization Georgia (Gina) Panopoulou, Hubble Fellow, TAPIR, Caltech,
3:00 pm - 4:00 pm	Analysis Seminar Linde Hall 255 Wandering domains in and out Núria Fagella, Departament de Matemàtiques i Informàtica, Universitat de Barcelona,
4:00 pm - 5:00 pm	Special Seminar in CMS Annenberg 213 Teaching Demonstration -- On writing functions and passing parameters by reference Kendra Walther, University of Southern California,
7:00 pm - 9:00 pm	Stargazing Lecture Cahill, Hameetman Auditorium De los Atomos a los Agujeros Negros Javier García, Research Assistant Professor, Department of Physics, Caltech,