Monday, April 27
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	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	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,

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	Geometry and Topology Seminar (1/2) Linde Hall 310 A Steenrod Square for Knot Floer homology Yan Tao, PhD Candidate, Department of Mathematics, UCLA,
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,
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,