Friday, May 1
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Imaginary Liouville theory Gaston Giribet, New York University,
2:00 pm - 3:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Non-Abelian Quantum Low Depth Parity Check Codes Maine Christos, AWS Quantum Postdoctoral Scholar,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event EDGE: Constraining dark matter with the smallest dwarf galaxies Stacy Kim, Nashman/CTAC Postdoctoral Fellow, Carnegie Observatories,
2:00 pm - 3:00 pm	Geometry and Topology Seminar (1/2) Linde Hall 310 A Steenrod Square for Knot Floer homology Yan Tao, PhD Candidate, Department of Mathematics, UCLA,
3:00 pm - 4:00 pm	Geometry and Topology Seminar (2/2) Linde Hall 310 Orientations in Real Heegaard-Floer theory Ciprian Bonciocat, Graduate Student, Department of Mathematics, Stanford,

Monday, May 4
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Uncool soft-wall phase transitions and gravitational waves Ameen Ismail, University of Chicago,
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Characterizing High-Redshift Sources with Optical Emission Line Ratios Nikko Cleri, Eberly Postdoctoral Fellow, Penn State University,

Tuesday, May 5
3:00 pm - 4:00 pm	Mathematics and Machine Learning Seminar East Bridge 114 Numerical differential geometry and machine learning; solving geometric PDEs motivated by string theory Justin Tan, PhD Student, Department of Computer Science and Technology, Cambridge University,
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 153 (J. Holmes Sturdivant Lecture Hall) Kang-Kuen Ni, Theodore William Richards Professor of Chemistry and Professor of Physics, Departments of Chemistry and Chemical Biology and of Physics, Harvard University,
4:00 pm - 6:00 pm	Presidential Distinguished Speaker Series: Martin Chalifour Athenaeum

Wednesday, May 6
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Soft Algebras in AdS4 from Lightray Operators in CFT3 Ahmed Sheta, Harvard University,
12:00 pm - 1:00 pm	Logic Seminar Online Event Condensed Sets and the Solovay Model Nathaniel Bannister, PhD Student, Department of Mathematics, Carnegie Mellon University,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar Online Event Hidden Black Holes and the Winds that Shape Galaxies Across Cosmic Time Andrey Vayner, Florida Gulf Coast University,
3:00 pm - 4:00 pm	Information, Geometry, and Physics Seminar Linde Hall 310 Maximum information divergence from linear and toric models Yulia Alexandr, Postdoc, Department of Mathematics, UCLA,
4:00 pm - 5:00 pm	Astronomy Colloquium: Biard Lecture Cahill, Hameetman Auditorium The Swiftly Mission: Swift Lift in a Year Brad Cenko, Research Astrophysicist, Department of Astronomy, NASA,

Thursday, May 7
11:00 am - 12:00 pm	Astronomy Special Seminar Cahill 370 Deflection to Flexion: Three Centuries of Gravitational Lensing Zach Scofield, PhD Student, Yonsei University (Seoul, South Korea),
12:05 pm - 1:00 pm	Observational Cosmology Seminar Cahill 370 Observations of Atmospheric Helium and Oxygen with SPHEREx Ryan Wills, Graduate student, Astrophysical Sciences and Technology, Rochester Institute of Technology,
3:00 pm - 4:00 pm	Analysis Seminar Online Event Inverse cascades in the Navier-Stokes equations Stan Palasek, Veblen Fellow, Department of Mathematics, Princeton University and IAS, ,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Exactness property of Breuil-Kisin functors \& Bloch-Kato Selmer groups Evangelia Gazaki, Associate Professor, Department of Mathematics, University of Virginia,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event The Quantum Twisting Microscope: Visualizing Waves in Quantum Matter Shahal Ilani, Professor of Physics, Condensed Matter Physics, Weizmann Institute of Science,

Friday, May 8
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Modular flow in a large holographic code Xi Dong, UC Santa Barbara,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Fault-Tolerant Computation with Rotated 4D Toric Codes Dave Aasen, Microsoft Station Q,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Two complementary approaches to gravitational-wave data analysis Chiara Anselmo, Graduate Student, Department of Physics, University of Milano-Bicocca (TAPIR VSR - 4/13/26-7/13/26),
2:00 pm - 3:00 pm	Geometry and Topology Seminar (1/2) Linde Hall 310 What the Heat Trace Hears at Curved Corners Sam Looi, Postdoc, Department of Mathematics, Caltech,
3:00 pm - 4:00 pm	Geometry and Topology Seminar (2/2) Linde Hall 310 Curvature-homogeneous 4-manifolds Renato Ghini Bettiol, Associate Professor, Department of Mathematics, CUNY,

Monday, May 11
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Noble Dark Baryons and Dark Mesons Stopped in Their Tracks Austin Batz, University of Oregon,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Inducing quantum states in materials with light Gregory Fiete, Professor of Physics, Department of Physics, Northeastern University,

Tuesday, May 12
12:00 pm - 1:00 pm	Math Graduate Student Seminar Linde Hall 255 Heavy repulsion of clusters in Bernoulli percolation Tasmin Chu, Graduate Student, Department of Mathematics, Caltech,

Wednesday, May 13
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Anomalies and Non-Supersymmetric String Theory Matilda Delgado, Harvard & MPP Munich,
12:00 pm - 1:00 pm	Logic Seminar Online Event Maximal unfriendliness of back-and-forth relations Matthew Harrison-Trainor, Assistant Professor, Department of Mathematics, Statistics, and Computer Science, University of Illinois Chicago,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Distributed quantum science with neutral atom arrays Jacob Covey, University of Chicago,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) JWST MIRI/MRS Observations of Primitive Asteroids Audrey Martin, Division of Geological and Planetary Sciences, Caltech,
1:00 pm - 2:00 pm	High Energy Theory Seminar Online and In-Person Event Higher dimensional conformal fields from neural network statistics Joydeep Naskar, Northeastern University,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium The Dawn of Low-Frequency Gravitational-Wave Astronomy Maura McLaughin, Department Chair, Department of Physics and Astronomy, West Virginia University,

Thursday, May 14
12:05 pm - 1:00 pm	Observational Cosmology Seminar Cahill 370 Linear Relativistic effects in Galaxy Clustering Yunfei (Robin) Wen, Graduate Student, The Division of Physics, Mathematics and Astronomy, Caltech,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Optical cavities for bioimaging, atom interferometers, and trapping molecules Holger Müller, Professor, Department of Physics, UC Berkeley,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Reciprocity for L-functions twisted by Dirichlet characters Rizwanur Khan, Associate Professor, Department of Mathematics, University of Texas at Dallas,

Friday, May 15
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event c=1 strings as a matrix integral Victor Rodriguez, UC Santa Barbara,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Phantom codes: Entangling logical qubits without physical operations Jin Ming Koh, Harvard,
2:00 pm - 3:00 pm	Geometry and Topology Seminar (1/2) Linde Hall 310 Isoperimetry by stretching Kobe Marhsall-Stevens, Assistant Professor, Department of Mathematics, Johns Hopkins University,
2:00 pm - 3:00 pm	TAPIR Seminar Online Event Beyond Parker: The Origin of Cosmic Magnetic Fields Bindesh Tripathi, Postdoctoral Research Scientist, Department of Physics, Columbia University,
3:00 pm - 4:00 pm	Geometry and Topology Seminar (2/2) Linde Hall 310 TBA Frederico Franceschini, Assistant Professor, Department of Mathematics, Stanford,

Monday, May 18
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Engineering Topological Quantum Matter in Space and Time Shuolong Yang, Assistant Professor, Pritzker School of Molecular Engineering, The University of Chicago,
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Galactic Winds Are Kinematically Coherent and Turbulence-Regulated: New Insights from Lyα and UV Metal-Line Radiative Transfer Zhihui Li, Assistant Research Scientist and William Miller Postdoctoral Fellow, Johns Hopkins University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Open system approach to neutrinos propagating in an ultralight scalar background Gustavo Alves, Fermilab and Northwestern University,

Tuesday, May 19
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Quantum-enhanced clocks and assembled superfluids with strontium atom arrays Alec Cao, Adam Kaufman's group, JILA,
4:00 pm - 5:00 pm	Wolff Memorial Lectures Linde Hall 310 The Ramsey numbers: new results and new perspectives Julian Sahasrabudhe, Professor, Department of Pure Mathematics and Mathematical Statistics (DPMMS), University of Cambridge,
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) New Experimental Platforms for Molecular  Polaritonics Marissa Weichman, Assistant Professor of Chemistry, Department of Chemistry, Princeton University,

Wednesday, May 20
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Diffeomorphism invariant tensor networks for 3d gravity Charlie Cummings, University of Pennsylvania,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) Hot and Cold: The Circumstellar Environments of Young Low-Mass Stars Luke Bouma, Caltech/IPAC,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Rubin's LSST: the greatest movie of all time is about to begin! Zeljko Ivezic, Professor, Department of Astronomy, University of Washington,
7:30 pm - 8:30 pm	POSTPONED: Watson Lecture - Kirby Nielsen Beckman Auditorium Kirby Nielsen, professor of economics; William H. Hurt Scholar,

Thursday, May 21
12:00 pm - 1:00 pm	High Energy Physics Seminar Online and In-Person Event Gaia at the Forefront of Dissipative Dark Matter Searches: Exchange Jackie Lodman, Harvard University,
12:05 pm - 1:00 pm	Observational Cosmology Seminar Cahill 370 Updates on NEW-MUSIC: The Next-generation Extended-Wavelength Multiband Sub/millimeter Inductance Camera Simon Hempel-Costello, Graduate Student, The Division of Physics, Mathematics and Astronomy, Caltech,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Particles of the Moment David Hertzog, Arthur B. McDonald Professor of Physics, Director of CENPA, Department of Physics, University of Washington,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 A vanishing theorem for residual Eisenstein cohomology Samuel Mundy, Postdoc, Department of Mathematics, Princeton University,

Friday, May 22
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Strings Attached: the Confining Flux Tube as a Conformal Defect Barak Gabai, EPFL,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Non-perturbatively slow spread of quantum correlations in non-resonant systems Benjamin McDonough, University of Colorado, Boulder,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Magnetic Relaxation and the Landscape of Stable Magnetic Equilibria in Stellar Interiors Semih Tuna, Graduate Student, Metzger Group, Department of Physics, Columbia University,
3:00 pm - 4:00 pm	High Energy Theory Seminar Online and In-Person Event Swing Surfaces in AdS/CFT Sabrina Pasterski, Perimeter Institute,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Linde Hall 310 Series Invariants for Plumbed 3-Manifolds Nicola Tarasca, Associate Professor, Department of Mathematics and Applied Mathematics, Virginia Commonwealth University,

Tuesday, May 26
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Revisiting Woodward–Hoffmann Allowed and Forbidden Electrocyclic Reactions Kendall N. Houk, Distinguished Research Professor, Department of Chemistry and Biochemistry, University of California, Los Angeles,

Wednesday, May 27
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Baryon Junctions in Effective String Theory Siwei Zhong, Stony Brook University, ,
12:00 pm - 1:00 pm	High Energy Physics Seminar Online and In-Person Event TBA Giuseppe Lucente, SLAC,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) Zahra Sattari, IPAC, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium: Greenstein Lecture Cahill, Hameetman Auditorium Supermassive Black Holes in M87 and Beyond Chung-Pei Ma, Professor of Astronomy and Physics, UC Berkeley,

Thursday, May 28
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event A Topological Quantum Computer, Inside a Gauge Theory, Inside a Quantum Computer Ruben Verresen, Assistant Professor, Molecular Engineering, University of Chicago,
5:00 pm - 7:00 pm	Caltech and JPL Networking Mixer 2026

Friday, May 29
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event TBA Minjae Cho, University of Chicago,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Samson Wang, IQIM Postdoctoral Scholar,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Universal Relations with Dynamical Tides Jayana Saes, Graduate Student, Physics Department, UIUC,
8:00 pm - 10:00 pm	Stargazing Lecture Cahill Center for Astronomy and Astrophysics Images of the Hidden Universe Katie Bouman, Professor of Computing and Mathematical Sciences, Departments of Electrical Engineering and Astronomy, Caltech,