Monday, April 3
4:00 pm - 5:00 pm	Astronomy Tea Talk Online and In-Person Event LISA's role in multi-band and multi-messenger astronomy for stellar-origin source Katie Breivik, Flatiron Institute,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Quantum science with alkaline-earth atoms: from simulating orbital physics to spin-squeezed optical clocks Nelson Darkwah Oppong, Department of Physics, JILA, University of Colorado at Boulder,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Spinning black hole binary dynamics: perturbation theories, nonperturbative probe limits, and hidden symmetries Justin Vines, UCLA,

Tuesday, April 4
12:00 pm - 1:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online Event Infinitely many solutions to the isentropic system of gas dynamics Cheng Yu, Department of Mathematics, University of Florida,
1:00 pm - 2:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online Event Analytical, geometrical, and applied aspects in nonlocal frameworks Petronela Radu, Department of Mathematics, University of Nebraska–Lincoln,
5:30 pm - 7:30 pm	PMA Postdoc Social

Wednesday, April 5
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Illuminating the Origins of the Universe's Fastest Transients Wen-fai Fong, Assistant Professor, Department of Physics and Astronomy, Northwestern University,

Thursday, April 6
3:00 pm - 4:00 pm	Informal Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) "Construct exchange-correlation functional via machine learning" Guanhua Chen, Professor of Chemistry, Department of Chemistry, University of Hong Kong,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Quantum Materials by Design Andrea Damascelli, University of British Columbia,

Friday, April 7
10:00 am - 11:00 am	Cool Beans Coffee for Postdocs-PMA
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Mass shift in lattice Hamiltonian approach to Schwinger model Silviu Pufu, Princeton University,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Visible Light Photonics for Atomic and Quantum Applications Dan Blumenthal, Distinguished Professor, ECE, UC Santa Barbara,
4:00 pm - 5:00 pm	Geometry and Topology Seminar Online Event Area-minimizing subvarieties of general manifolds Zhenhua Liu, Department of Mathematics, Princeton University,

Monday, April 10
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Putting Generalized Symmetries to Work for Particle Physics Seth Koren, University of Chicago,
5:00 pm - 6:00 pm	Presidential Distinguished Speaker Series: Leroy (Lee) Hood, BS '60, PhD '68 Beckman Auditorium Catalyzing a Shift in Healthcare from Disease-Care to Wellness and Prevention Care
7:30 pm - 9:30 pm	Astronomy on Tap Launching and Landing Spacecraft on Mars Shannon Statham, Group Supervisor, Environmental Test Lab, NASA Jet Propulsion Laboratory, Rob Manning, Chief Engineer, NASA Jet Propulsion Laboratory,

Wednesday, April 12
10:30 am - 11:30 am	Joint IQIM/AWS Seminar Series Online Event Quantum Tanner codes Anthony Leverrier, Inria,
12:00 pm - 1:00 pm	Logic Seminar Online Event Cardinalities Below the Power Set of the First Uncountable Cardinals William Chan, Department of Mathematics, University of North Texas,
12:15 pm - 1:00 pm	IPAC Astronomy Seminar IPAC 102 (Large Conference Room) Illuminating the Dark Ages: Luminous Quasars and Their Massive Host Galaxies in the Reionization Epoch Fabian Walter, MPIA Heidelberg,
2:00 pm - 3:30 pm	Information, Geometry, and Physics Seminar Linde Hall 310 On The Origins of the Boltzmann Distribution, or Support Preserving Endomorphisms of Convolution Semigroups, joint with Fedor Sandomirskiy Omer Tamuz, Economics & Mathematics, Caltech,

Thursday, April 13
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Uniform bounds on the Harish-Chandra characters Anna Szumowicz, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Oscillating Stars in Bloom: Asteroseismology and Wave Transport Phenomena Richard Townsend, University of Wisconsin-Madison,

Friday, April 14
10:00 am - 11:00 am	Cool Beans Coffee for Postdocs-PMA Caltech Hall 9th Floor
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Thermalization and Chaos from Energy Eigenstates in QFT Liam Fitzpatrick, Boston University,
11:00 am - 11:45 am	Conversations on the Quantum World: Building a Quantum Computer
12:00 pm - 5:30 pm	Dreamers in STEM Avery Library
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Superconductivity in materials with flat bands: Insights from the quantum geometry Valerio Peri, Moore Postdoctoral Scholar,
1:15 pm - 2:30 pm	An Introduction to Allyship: Supporting Undocumented Students Avery Library
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Testing General Relativity with black hole X-ray data Cosimo Bambi, Xie Xide Junior Chair Professor of Physics, Department of Physics, Fudan University,
4:00 pm - 5:00 pm	Geometry and Topology Seminar Online Event Scattering rigidity for analytic metrics Malo Jézéquel, Department of Mathematics, MIT,
8:00 pm - 10:00 pm	Stargazing Lecture Cahill Center for Astronomy and Astrophysics The Quest for Cosmic Dawn: First Results from the James Webb Space Telescope Richard Ellis, Professor, Department of Physics and Astronomy, University College London,

Monday, April 17
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Topological skyrmion phases of matter Ashley Cook, Physics of Quantum Materials, Max Planck Institute,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Going Underground or Listening to the Sky? Anupam Ray, UC Berkeley & University of Minnesota,
4:00 pm - 5:00 pm	Astronomy Tea Talk Online and In-Person Event Tracing AGN Feedback on the Star-Forming ISM in NGC 7469 with JWST Thomas Lai, Caltech/IPAC,
4:00 pm - 5:00 pm	Algebra and Geometry Seminar Linde Hall 387 Tate semisimsimplicity over finite fields Ananth Shankar, Department of Mathematics, University of Wisconsin, Madison,

Tuesday, April 18
2:30 pm - 3:30 pm	Caltech/UCLA/USC Joint Analysis Seminar Linde Hall 255 Turbulence for quasilinear waves on Schwarzschild-AdS Christoph Kehle, Mathematics Department, ETH Zurich,
3:30 pm - 4:30 pm	Caltech/UCLA/USC Joint Analysis Seminar Linde Hall 255 Lower bounds on the top Lyapunov exponent of Galerkin-Navier-Stokes and other stochastic differential equations Jacob Bedrossian, Department of Mathematics, UCLA,

Wednesday, April 19
12:00 pm - 1:00 pm	Logic Seminar Online Event The Local Lemma in descriptive combinatorics: survey and recent developments Anton Bernshteyn, School of Mathematics, Georgia Institute of Technology,
12:15 pm - 1:00 pm	IPAC Astronomy Seminar Online Event Particle Acceleration in Galaxy Outflows Marco Ajello, Department of Physics and Astronomy, Clemson University,
2:00 pm - 3:00 pm	Information, Geometry, and Physics Seminar East Bridge 114 Typicality for Stratified Measures Juan Pablo Vigneaux, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Constraining the Cosmic Baryon Cycle with ALMA Fabian Walter, Senior Staff Scientist, MPIA Heidelberg,
7:30 pm - 8:30 pm	Watson Lecture: Electrifying and Decarbonizing Chemical Synthesis Online and In-Person Event Karthish Manthiram, Professor of Chemical Engineering and Chemistry; William H. Hurt Scholar, Division of Chemistry and Chemical Engineering,

Thursday, April 20
10:00 am - 11:00 am	Cool Beans Coffee for Postdocs-PMA
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event Symmetry in Quantum Field Theory Clay Cordova, University of Chicago,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Construction of an anticyclotomic Euler System Kim Tuan Do, Department of Mathematics, UCLA,

Friday, April 21
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Non-Invertible Chiral Symmetry Clay Cordova, University of Chicago,
12:00 pm - 1:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Laser spectroscopy of molecular vibrations Kon Leung, AWS Quantum Postdoctoral Scholar, Endres Group,
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event Worldtube excision method for intermediate-mass-ratio inspirals: scalar-field model in 3+1 dimensions Nikolas Wittek, Graduate Student, Astrophysical and Cosmological Relativity, Max Planck Institute for Gravitational Physics (Albert Einstein Institute),
4:00 pm - 5:00 pm	Geometry and Topology Seminar Online Event Plateau's problem via the theory of phase transitions Stephen Lynch, Department of Mathematics, Imperial College London,

Monday, April 24
4:00 pm - 5:00 pm	High Energy Physics Seminar Online and In-Person Event Dark Photons with Multiple Leptons Matheus Hostert, Perimeter Institute for Theoretical Physics,
4:00 pm - 5:00 pm	Quantum Matter Seminar East Bridge 114 Field theory and non-perturbative effects in Lindbladian dynamics Alex Kamenev, Professor, Department of Physics and Astronomy, University of Minnesota,
4:00 pm - 5:00 pm	Astronomy Tea Talk Online and In-Person Event Prospects for Detecting Gaps in Globular Cluster Stellar Streams in M31 and Other External Galaxies with the Nancy Grace Roman Space Telescope Christian Aganze, UC San Diego,

Tuesday, April 25
3:00 pm - 4:00 pm	Discrete Analysis Seminar Linde Hall 187 On Pisier type problems Marcelo Sales, Department of Mathematics, Emory University,
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) Generating Spin-Triplets at the Perovskite/Organic Interface Lea Nienhaus, Assistant Professor of Chemistry, Department of Chemistry, Florida State University,

Wednesday, April 26
11:00 am - 12:00 pm	Joint IQIM/AWS Seminar Series Beckman Institute Auditorium Suppressing quantum errors by scaling a surface code logical qubit Michael Newman, Google Quantum AI, Kevin Satzinger, Google Quantum AI,
12:15 pm - 1:00 pm	IPAC Astronomy Seminar Online Event General Coordinates Network (GCN): NASA's Next Generation Time-Domain and Multimessenger Astronomy Alert System Leo Singer, NASA/GSFC,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Big Stars and Their Little Friends Morgan MacLeod, Postdoctoral Fellow, Theoretical Astrophysics, CFA / Harvard,

Thursday, April 27
4:00 pm - 5:00 pm	Physics Colloquium Online and In-Person Event The Galactic Center Gamma-Ray Excess Daniel Hooper, University of Chicago,
4:00 pm - 5:00 pm	Number Theory Seminar Linde Hall 387 Abelian covers of P^1 of p-ordinary Ekedahl-Oort type Yuxin Lin, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	LA Probability Forum Linde Hall 310 Permuted Random Walks Omer Angel, Department of Mathematics, University of British Columbia,
5:00 pm - 6:00 pm	LA Probability Forum Linde Hall 310 Exploring conformal probability with hierarchical models Abdelmalek Abdesselam, Department of Mathematics, University of Virginia,
6:00 pm - 7:00 pm	LA Probability Forum Linde Hall 310 Extreme eigenvalues in bipartite Erdos-Renyi graphs Ioana Dumitriu, Department of Mathematics, UCSan Diego,

Friday, April 28
10:00 am - 11:00 am	Cool Beans Coffee for Postdocs-PMA
11:00 am - 12:00 pm	High Energy Theory Seminar Online and In-Person Event Some comments on modular invariance in higher dimensions Edgar Shaghoulian, UC Santa Cruz,
1:00 pm - 2:00 pm	LIGO Seminar
2:00 pm - 3:00 pm	TAPIR Seminar Online and In-Person Event New approaches to analyze optical transients Tatsuya Matsumoto, Postdoctoral Fellow, Astrophysics Lab, Columbia University,
4:00 pm - 5:00 pm	Geometry and Topology Seminar Linde Hall 187 Colored sl(N) homology and SU(N) representations Joshua Wang, Department of Mathematics, Harvard University,