Wednesday, January 3
4:00 pm - 5:00 pm	Mathematics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) TBA Stefanie Petermichl, Department of Mathematics, Université Toulouse III - Paul Sabatier ,

Thursday, January 4
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) The conformal bootstrap: magnets, boiling water, and quantum gravity David Simmons-Duffin, Assistant Professor of Theoretical Physics, Caltech,
4:00 pm - 6:00 pm	Number Theory Seminar Building 15, Room 104 Arithmetic Gan--Gross--Prasad conjecture and arithmetic theta lifts Hang Xu, Department of Mathematics, The University of Arizona,

Friday, January 5
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Mean-motion resonances with eccentric planets: when analytical arguments guide and complement numerical simulations Virginie Faramaz, JPL,

Monday, January 8
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 131 TBA Clinton Conley, Department of Mathematical Sciences, Carnegie Mellon University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Evidence for ttH production at ATLAS Peter Onyisi, UT Austin,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Building 15, Room 104 The p-curvature conjecture and monodromy around simple closed loops Ananth Shankar, Department of Mathematics, MIT,

Tuesday, January 9
4:00 pm - 5:00 pm	Mathematics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) Subgroup non-separability that arises from hyperbolic 3-manifold groups Hongbin Sun, Department of Mathematics, Rutgers University,

Wednesday, January 10
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium A Bird's Eye View of Extrasolar Planets Erik Petigura, Caltech,
4:00 pm - 5:00 pm	Analysis Seminar Building 15, Room 131 Fourier Optimization and Prime Gaps Emanuel Carneiro, Instituto de Matematica Pura e Aplicada,

Thursday, January 11
11:00 am - 12:00 pm	Special Physics/Math Seminar Building 15, Room 122 Complex Chern-Simons invariants of 3-manifolds and abelianization Dan Freed, Department of Mathematics, University of Texas at Austin,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Signatures of a 3D quantum liquid crystal David Hsieh, Assistant Professor of Physics, Caltech,

Friday, January 12
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Three applications of topology to physics Dan Freed, UT Austin,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 201 (Richard P. Feynman Lecture Hall) From many modes to many bodies David Schuster, Physics Department and James Franck Institute, University of Chicago,
12:00 pm - 1:00 pm	IQIM/Applied Physics Seminar East Bridge 201 (Richard P. Feynman Lecture Hall) From Many Modes to Many Bodies David Schuster, Assistant Professor, Physics, University of Chicago,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 symmetries in quantum field theory and quantum gravity Daniel Harlow, MIT,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 Symplectic and exotic 4-manifolds via positive factorizations R. Inanc Baykur, Department of Mathematics and Statistics, University of Massachusetts,
4:30 pm - 5:30 pm	Caltech/UCLA Joint Analysis Seminar Downs 103 The (Euclidean) Fractal Uncertainty Principle and its proof Ruixiang Zhang, Mathematics Department, Institute for Advanced Study,
5:30 pm - 6:30 pm	Caltech/UCLA Joint Analysis Seminar Downs 103 Describing Blaschke products by their critical points Oleg Ivrii, Department of Mathematics, Caltech,

Tuesday, January 16
8:40 am - 12:30 pm	Short Course: Science, Source Modeling, and Data Analysis for the Space-Based Gravitational-Wave Observatory LISA Cahill, Hameetman Auditorium
3:00 pm - 5:00 pm	Geometry and Topology Seminar Building 15, Room 105 Section problems for surface bundles Lei Chen, Department of Mathematics, University of Chicago,

Wednesday, January 17
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 105 A refined Cantor-Bendixson rank for presented Polish spaces Vibeke Quorning, Department of Mathematical Sciences, University of Copenhagen,
2:30 pm - 3:30 pm	Analysis Seminar Building 15, Room 131 Differentiability and rectifiability on metric planes Guy C. David, Mathematical Sciences, Ball State University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Fundamental Neutron Physics at the ILL Peter Geltenbort, Institut Laue-Langevin,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Welcome to the multi-messenger era: a report on the first binary neutron star merger detection Jennifer Barnes, Columbia,
8:00 pm - 9:30 pm	Andrei Faraon - "Flat Metasurface Optics" Beckman Auditorium

Thursday, January 18
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Unification from Scattering Amplitudes Clifford Cheung, Assistant Professor of Theoretical Physics, Caltech,

Friday, January 19
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Emergent dimensions from large N confinement Aleksey Cherman, University of Washington,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Improving gravitational-wave detector sensitivity with cryogenic test mass cooling Johannes Eichholz, Postdoctoral Scholar in Experimental Physics, Adhikari Group,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Probing the Structure of Active Galactic Nuclei Using Light Echoes Anna Pancoast, NASA Einstein Fellow, Harvard-Smithsonian Center for Astrophysics,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 Homomorphisms of pure mapping class groups to the integers Nicholas Vlamis, Mathematics Department, University of Michigan,

Monday, January 22
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 131 Measure reducibility of countable Borel equivalence relations (after Conley and Miller) Forte Shinko, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Special Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Quantum sensing in a new single-molecule regime Peter Maurer, Postdoctoral Scholar, Stanford University Department of Physics, Department of Physics, Stanford University,

Tuesday, January 23
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 153 (J. Holmes Sturdivant Lecture Hall) Two challenges for DNA nanotechnology: building interfaces with silicon and cells Paul W. K. Rothemund, Research Professor, Bioengineering, CMS, & CNS, California Institute of Technology,
4:00 pm - 5:00 pm	Gravitational-Wave Research Seminar Cahill, Hameetman Auditorium Probing strong-field gravity: Black holes and mergers in general relativity and beyond Leo Stein, Caltech,

Wednesday, January 24
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Comets and the outer fringes of the solar system Scott Tremaine, Princeton,

Thursday, January 25
4:00 pm - 5:00 pm	Special Chemistry Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Tracing the dynamics of interfacial electronic excited states from femtoseconds to seconds Sarah B. King, Dr., Department of Physical Chemistry, Fritz Haber Institute of the Max Planck Society, Berlin,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Fuzzy dark matter and the small-scale structure problem Scott Tremaine, Richard Black Professor, School of Natural Sciences - Astrophysics, Institute for Advanced Study,
4:00 pm - 6:00 pm	Number Theory Seminar Building 15, Room 104 L-groups and Covering Groups Martin Weissman, Mathematics Department, University of California, Santa Cruz,

Friday, January 26
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Higgs branches and chiral algebras of 4d N=2 theories -- a progress report Leonardo Rastelli, SUNY Stony Brook,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Bulk Entanglement Gravity Sean Carroll, Research Professor of Physics, Caltech,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 6D SCFTs and Group Theory Tom Rudelius, Institute for Advanced Study,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Merging black holes in non-spherical nuclear star clusters Cristobal Petrovich, Postdoctoral Fellow and Gruber Foundation Fellow, Canadian Institute for Theoretical Astrophysics (CITA),
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 Hilbert Structure on the universal Teichmuller space and its Weil-Petersson curvature operator Zeno Huang, Department of Mathematics, CUNY CSI,
4:00 pm - 5:00 pm	Caltech/UCLA Joint Analysis Seminar TBA Semyon Dyatlov, Department of Mathematics, Massachusetts Institute of Technology,
5:00 pm - 6:00 pm	Caltech/UCLA Joint Analysis Seminar TBA Alexey Miroshnikov, Mathematics Department, UCLA,
7:00 pm - 9:00 pm	Stargazing Lecture Cahill, Hameetman Auditorium When Galaxies Collide: Snapshots of the Universe's Largest Battles Anne Medling, Hubble Postdoctoral Scholar in Astronomy, Department of Astronomy, Caltech,

Monday, January 29
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Lepton Universality Violation in B-Meson Decays and Inclusive vs Exclusive |Vcb| Ben Grinstein, UC San Diego,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Building 15, Room 104 K3 categories, cubic 4-folds, and the Beauville-Voisin conjecture Junliang Shen, Departement Mathematik, ETH Zurich,

Tuesday, January 30
4:00 pm - 5:00 pm	Mathematics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) Stability in the homology of Torelli groups Jennifer Wilson, Department of Mathematics, Stanford University,
4:00 pm - 5:00 pm	Gravitational-Wave Research Seminar West Bridge 351 (LIGO Science Conference Room) Listening to binary stars through cosmic history: astrophysics with GW Astrid Lamberts, Caltech,

Wednesday, January 31
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 105 Measure reducibility of countable Borel equivalence relations (after Conley and Miller) Forte Shinko, Department of Mathematics, Caltech,
2:30 pm - 3:30 pm	Analysis Seminar Building 15, Room 131 Oscillation of Holder continuous functions Artur Nicolau, Departament de Matemàtiques, Universitat Autònoma de Barcelona,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Building 15, Room 104 Quantifying virtual properties of 3-manifold groups Michelle Chu, Department of Mathematics, University of Texas at Austin,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Forging binary black holes in dense star clusters Carl Rodriguez, MIT,