Wednesday, April 1
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Relational Perspectives in Quantum Gravity: Quantum Reference Frames and the Observer Dependence of Entropy Anne-Catherine de la Hamette, ETH Zurich,
12:00 pm - 1:00 pm	Logic Seminar Online Event Gδ​ Circle Squaring Spencer Unger, Assistant Professor, Department of Mathematics, University of Toronto,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) New Views on Extreme Starbursts: Clumps in Local ULIRGs with JWST Laura Lenkic, Caltech/IPAC,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium (Spatially) resolved clues about giant planets with JWST and friends Laurent Pueyo, Associate Astronomer, Space Telescope Science Institute,

Thursday, April 2
2:30 pm - 3:30 pm	Caltech/USC Joint Algebra & Geometry Seminar (1/2) Linde Hall 187 TBD Mee Song Im, Assistant Professor, Department of Mathematics, Johns Hopkins University,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Quantum Simulation of the Unknown: Observation of Pseudogap Physics in the Fermi–Hubbard Model at Ultralow Temperatures Markus Greiner, Professor of Physics, Physics, Harvard,
4:00 pm - 5:00 pm	Caltech/USC Joint Algebra & Geometry Seminar (2/2) Linde Hall 187 Gluing in Heegaard-Floer theory Peng Zhou, Postdoc, Department of Mathematics, UC Berkeley,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Sums along binary quartic forms Mayank Pandey, PhD Candidate, Department of Mathematics, Princeton University,

Friday, April 3
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Navigating Collider Phenomenology with Light-Ray Operators & Chew-Frautschi Plot Hao Chen, Massachusetts Institute of Technology,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 From Fractionalization to Superconductivity in Flat Chern Bands — And What AI Enables Next Ahmed Abouelkomsan, MIT,
2:00 pm - 3:00 pm	Geometry and Topology Seminar (1/2) Linde Hall 310 Flexibility and degeneracy around a theorem of Thurston Alex Nolte, Postdoc, Department of Mathematics, IHES,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Black-hole METRICS, ringdown and fundamental physics Adrian Ka-Wai Chung, Postdoctoral Fellow, DAMTP, University of Cambridge,
3:00 pm - 4:00 pm	Geometry and Topology Seminar 2/2 Linde Hall 310 Classification of ancient cylindrical mean curvature flows and the Mean Convex Neighborhood Conjecture Yi Lai, Assistant Professor, Department of Mathematics, UCI,

Monday, April 6
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Flavor, Accidentally Hannah Banks, New York University,
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Probing Binaries and Black Holes with Microlensing Natasha Abrams, PhD candidate, UC Berkeley,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 A quantum many-body index for 2d chiral superconductors Nikita A. Sopenko, Mathematical Physics, Institute for Advanced Study (IAS),

Tuesday, April 7
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Pushing Ab Initio Electron-Phonon Theory Beyond Perturbation: From Polaron Structure to Transport Joonho Lee, Assistant Professor of Chemistry and Chemical Biology, Department of Chemistry and Chemical Biology, Harvard University,

Wednesday, April 8
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Spinspacetime: A New Chapter in Relativity Joonhwi Kim, Caltech,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar Online Event Carbon dioxide and evidence for water in the Hottest exo-Neptune Yoni Brande, University of Maryland,
4:00 pm - 5:00 pm	Special Quantum Matter Seminar East Bridge 114 Quantum thermodynamics on superconducting circuits: bolometry and thermalization Jukka Pekola, Professor, Department of Applied Physics, Aalto University, Helsinki, FI, , ,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Giant black hole jets and baryon feedback to the Cosmic Web Martijn Oei, Troesh Postdoctoral Scholar Research Associate, Department of Astronomy, CalTech,
4:30 pm - 6:00 pm	Building a Tiny Open-Source Space Program: From ChipSats to Autonomous Swarms Chen 100

Thursday, April 9
2:00 pm - 3:00 pm	Special TAPIR Seminar The emergence of globular clusters and globular-cluster-like dwarfs at the EDGE of galaxy formation Ethan Taylor, Postdoctoral Fellow, School of Mathematics and Physics, University of Surrey, UK, ,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Quantum Intelligence Robert Huang, Assistant Professor of Theoretical Physics, PMA, Caltech,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Higher theta series for reductive dual pairs and anomaly Avi Zeff, Postdoc, Department of Mathematics, UC Berkeley,
4:00 pm - 7:00 pm	LA Probability Forum Linde Hall 310 Ron Peled, Professor, Department of Mathematics, University of Maryland, Shalin Parekh, Assistant Professor, Department of Mathematics, University of Maine, Rahul Rajkumar, PhD Candidate, Department of Mathematics, UC Riverside,

Friday, April 10
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Scattering on the Coulomb Branch of N=4 SYM Kelian Häring, University of Amsterdam,
1:00 pm - 2:00 pm	High Energy Physics Seminar Online and In-Person Event A unified approach to the self force problem Ira Rothstein, Carnegie Mellon University,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Trapping in Strong Gravity: From Black Hole Images to Gravitational Turbulence Alejandro Cárdenas-Avendaño, Assistant Professor, Physics Department, Wake Forest University,
2:00 pm - 3:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Processing massive classical data on small quantum computers Haimeng Zhao, Huang and Preskill groups,

Monday, April 13
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Continuum Fractons Shivaji Sondhi, Professor of Physics, Department of Physics, University of Oxford,
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Study of Exotic Stellar Populations in Open Clusters and Galactic Fields Anju Panthi, Postdoc at Indian Institute of Astrophysics, Bangalore,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event A Few Thoughts on Flavor Claudio Manzari, Institute for Advanced Study,

Tuesday, April 14
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Lauritsen 469 Controlling and Interrogating Matter at the Fundamental Limits of Space and Time Mohammed Th. Hassan, University of Arizona,
3:00 pm - 4:00 pm	Mathematics & Machine Learning Seminar East Bridge 114 Toward Structural Guarantees in AI: Quantum Tensor Networks for Sensitivity, Uncertainty, and Reliable Inference Pragatheeswaran Vipulanandan, PhD Candidate, Department of Electrical and Computer Engineering, University of Miami,
4:00 pm - 5:00 pm	Mathematics Colloquium Linde Hall 310 The Eisenstein Ideal Mladen Dimitrov, Professor, Department of Mathematics, University of Lille,

Wednesday, April 15
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Ultralocal measure is not canonical Maciek Kolanowski, UC Santa Barbara,
12:00 pm - 1:00 pm	Logic Seminar Online Event Local Problems on Grids: FIID/FFIID Separations and a Failure of Baire Shift Universality Katalin Berlow, PhD candidate, Department of Mathematics, UC Berkeley,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) The High Energy Radiation Environments of Sun-Like Stars with Directly Imageable Habitable Zones Breanna Binder, Associate Professor, Cal Poly Pomona,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Axial vector form factors and the scalar charge of nucleons from lattice QCD Rajan Gupta, Los Alamos National Laboratory,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Do active galactic nuclei behave the way galaxy formation theorists need them to? Michael Blanton, Observatories Director and Crawford M. Greenewalt Chair, Carnegie Science,

Thursday, April 16
2:30 pm - 3:30 pm	Caltech/USC Joint Algebra and Geometry Seminar (1/2) Linde Hall 187 Frobenius structures on quantum connections on Calabi--Yau 3-folds Jae Hee Lee, Assistant Professor, Department of Mathematics, Stanford,
4:00 pm - 5:00 pm	Caltech/USC Joint Algebra and Geometry Seminar (2/2) Linde Hall 187 Holomorphic Lagrangians in Higgs and de Rham Moduli Spaces Shengjing Xu, Graduate Student, Department of Mathematics, University of Pennsylvania,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 On the Completions of General Period Mappings Haohua Deng, John Wesley Young Research Instructor, Department of Mathematics, Dartmouth College,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Can Antiferromagnetic Order Survive Lattice Melting? Daniel Podolsky, Condensed Matter & Materials Physics, Technion,

Friday, April 17
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Polar states in AdS3 holography Ji Hoon Lee, ETH-Zurich,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Quantum eigenvalue processing Yuan Su, AWS Center for Quantum Computing,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Crystallization, Convection, and Magnetism in White Dwarf Stars Matias Castro-Tapia, Graduate Student, Department of Physics, McGill University,
2:00 pm - 3:00 pm	Geometry and Topology Seminar (1/2) Linde Hall 310 TBD Eduardo Reyes, Assistant Professor, Department of Mathematics, Pontifical Caltholic University of Chile,
3:00 pm - 4:00 pm	Geometry and Topology Seminar (2/2) Linde Hall 310 Systoles of hyperbolic hybrids Sami Douba, Postdoc, Department of Mathematics, University of Bonn,

Monday, April 20
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Ultraluminous X-ray Sources: Accretion Physics at the Extremes Roberta Amato, Postdoc at National Institute for Astrophysics (INAF), Italy,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Multiple axions: Strong CP, Dark Matter and how to count them Pablo Quilez, CERN,
4:00 pm - 5:00 pm	Caltech/USC Joint Algebra and Geometry Seminar (1/2) Linde Hall 310 Two unexpected theorems about 5 Paul Melvin, Professor, Department of Mathematics, Bryn Mawr College,
5:00 pm - 6:00 pm	Caltech/USC Joint Algebra and Geometry Seminar (2/2) Linde Hall 310 Slice disks modulo local knotting Jeffrey Meier, Professor, Department of Mathematics, Western Washington University,

Tuesday, April 21
12:00 pm - 1:00 pm	Math Graduate Student Seminar Linde Hall 255 Global Regularity for a Viscous Dyadic Model of the Navier-Stokes Equations Sam Looi, Postdoc, Department of Mathematics, Caltech (California Institute of Technology),
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Deciphering & controlling the mechanisms of energy flow across materials Andres Montoya Castillo, Assistant Professor of Chemistry, Department of Chemistry, University of Colorado Boulder,

Wednesday, April 22
9:30 am - 3:00 pm	Resource-aware Quantum Benchmarking Symposium Gates-Thomas 135
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Light-ray operators and the w(1+infinity) algebra Mina Himwich, Princeton University,
12:00 pm - 1:00 pm	Logic Seminar Online Event A dynamical proof of Matui's absorption theorem Julien Melleray, Professor, Department of Mathematics, Université Lyon 1,
12:15 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) A Golden Age for Gas Giant Atmospheres with JWST Jerry Xuan, 51 Pegasi b Fellow, UCLA,
3:00 pm - 4:00 pm	Fluids and Analysis Seminar Online Event On the Stabilizing Effect of Fluid Expansion for Relativistic Gaseous Body Zhongtian "Kevin" Hu, Postdoc, Department of Mathematics, Princeton University,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Resetting Cosmic Ray Propagation Theory Ellen Zweibel, W. L. Kraushaar Professor of Astronomy and Physics, Department of Physics & Astronomy, University of Wisconsin-Madison,

Thursday, April 23
11:00 am - 12:00 pm	Applied Physics Seminar Series Annenberg 105 Coexistence of spatially decoupled unconventional superconducting condensates in 4Hb-TaSSe Miguel Ugeda, Professor, Donostia International Physics Center, San Sebastián, Spain,
11:00 am - 12:00 pm	High Energy Physics Seminar Online and In-Person Event Higher point positivity and large-Nc QCD Francesco Sciotti, IFAE, University of Barcelona,
12:05 pm - 1:00 pm	Observational Cosmology Seminar Cahill, Hameetman Auditorium The Money Talk Sunil Golwala, Division of Physics, Mathematics and Astronomy, Caltech,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Shifted convolution problem for Siegel modular form Wing Hong Leung, Assistant Professor, Department of Mathematics, Rutgers University,
4:00 pm - 5:00 pm	Physics Colloquium - Lauritsen Lecture Online and In-Person Event Quantum Interconnects and Modularity via Waveguide QED William Oliver, Professor of Physics, Department of Physics, MIT,

Friday, April 24
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Zeros and Singularities of Cosmological Wavefunctions Shruti Paranjape, Brown University,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Emulating the Bose-Hubbard Model with Arrays of Superconducting Qubits William Oliver, Director of the Center for Quantum Engineering, MIT,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Gravitational-wave observables beyond timing: astrometry and weak lensing probes Tal Adi, Postdoctoral Fellow, Department of Physics and Astronomy, USC,

Monday, April 27
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Global Structure of Symmetries in Particle Physics Seth Koren, University of Notre Dame,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Thermalization and chaos in many-body quantum and classical dynamical systems of algebraic origin Anton N. Kapustin, Professor of Theoretical Physics and Mathematics, Department of Physics, California Institute of Technology,
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill 370 Calibrating Galaxy Formation Models for the Roman Era Andrew Robertson, Postdoc at Carnegie Observatories,
7:30 pm - 9:30 pm	Astronomy on Tap "NASA Artemis" & "Lunar Landers" Sarah Elizabeth McCandless, Navigation Engineer, NASA JPL, Roshan Misra, Mechanical Engineering Lead, Honeybee Robotics,

Tuesday, April 28
12:00 pm - 1:00 pm	Math Graduate Student Seminar Linde Hall 255 A Hopf algebra on nonplanar binary forests Elizabeth xiao, Graduate Student, Department of Mathematics, Caltech (California Institute of Technology),

Wednesday, April 29
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Water-Wave Scattering Amplitudes and the Waterhedron Francesco Calisto, Caltech,
12:00 pm - 1:00 pm	Caltech/IPAC Lunch Seminar IPAC 102 (Large Conference Room) Merging Dwarf Galaxies: Fueling Hierarchical Assembly Sabrina Stierwalt, Occidental College,
12:00 pm - 1:00 pm	Logic Seminar Online Event The Borel dichromatic number Tonatiuh Matos Wiederhold, PhD Candidate, Department of Mathematics, University of Toronto,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium A paradigm shift in the landscape of Type Ia supernova progenitors Ken Shen, Research Specialist, Department of Astronomy, UC Berkeley,
7:30 pm - 8:30 pm	POSTPONED: Watson Lecture - Sarkis Mazmanian Beckman Auditorium Sarkis Mazmanian, Luis B. and Nelly Soux professor of microbiology; Merkin Institute Professor,

Thursday, April 30
12:05 pm - 1:00 pm	Observational Cosmology Seminar Cahill 370 Precision Redshifts for SPHEREx Cosmology Gemma Huai, Graduate student, Division of Physics, Mathematics and Astronomy, Caltech,
2:30 pm - 3:30 pm	Caltech/USC Joint Algebra and Geometry Seminar (1/2) Linde Hall 187 TBD Dan Kaplan, Assistant Professor, Department of Mathematics, Long Beach State,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 A new proof of the Arithmetic Siegel--Weil formula Yu Luo, PhD Candidate, Department of Mathematics, University of Wisconsin-Madison,
4:00 pm - 5:00 pm	Caltech/USC Joint Algebra and Geometry Seminar (2/2) Linde Hall 187 Tensor-generation on toric varieties Daigo Ito, PhD Candidate, Department of Mathematics, UC Berkeley,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Optical atomic clocks in the age of quantum information processing Nelson Darkwah Oppong, Assistant Professor of Physics, PMA, Caltech,