Sunday, April 18
8:00 am - 2:00 pm	Barry Simon's 75th Birthday Conference Online Event

Monday, April 19
12:00 pm - 1:00 pm	Logic Seminar Online Event A characterization of high transitivity for groups acting on trees François Le Maître, Jussieu Mathematics Institute – PRG, University of Paris,
4:00 pm - 5:00 pm	High Energy Physics Seminar Online Event Dark photons and the cosmic radiation background Hongwan Liu, Princeton University,
4:00 pm - 5:00 pm	H.B. Keller Colloquium Online Event Improving Policy Learning via Programmatic Domain Knowledge Yisong Yue, Professor of Computing and Mathematical Sciences, Computing and Mathematical Sciences Dept., California Institute of Technology,

Tuesday, April 20
10:00 am - 10:50 am	Caltech/UCLA Joint Analysis Seminar Online Event The mysteries of low-degree Boolean functions Nathan Keller, Department of Mathematics, Bar Ilan University,
11:00 am - 12:15 pm	Chemical Physics Seminar Online Event Ionic transport in nanoscale fluids far from equilibrium David Limmer, Assistant Professor of Chemistry, College of Chemistry, University of California, Berkeley,
11:00 am - 11:50 am	Caltech/UCLA Joint Analysis Seminar Online Event On the zeros of Fekete polynomials Oleksiy Klurman, School of Mathematics, University of Bristol,

Wednesday, April 21
4:00 pm - 5:00 pm	Astronomy Colloquium Online Event Cosmology with Massive Neutrinos Jia Liu, Postdoctoral Fellow, University of California, Berkeley,
5:00 pm - 6:00 pm	Watson Lecture - Sunlight to Everything: Catalyzing a Sustainable Future Online Event Jonas Peters, Bren Professor of Chemistry and Director of the Resnick Sustainability Institute, Division of Chemistry and Chemical Engineering, Caltech,

Thursday, April 22
9:00 am - 9:55 am	Analysis Seminar Online Event On the well-posedness of the derivative nonlinear Schr\"odinger equation Maria Ntekoume, Department of Mathematics, Rice University,
4:00 pm - 5:00 pm	Physics Colloquium Online Event The Dark Phase of Quantum Matter Louis Taillefer, Université de Sherbrooke and CIFAR,
4:00 pm - 5:00 pm	Number Theory Seminar Online Event A conjecture of Perrin-Riou Ashay Burungale, Department of Mathematics, Caltech,

Friday, April 23
11:00 am - 12:00 pm	High Energy Theory Seminar Online Event Real-time gravitational replicas Mukund Rangamani, UC Davis/QMAP,
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Prethermalization and dynamics in topological SYK pumps Iliya Esin, Postdoctoral Scholar, Refael Group,
2:00 pm - 3:00 pm	TAPIR Seminar Online Event The Faintest Galaxies and their Dark Matter Halos Ethan Nadler, Graduate Student, KIPAC, Stanford University,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Online Event The failure of the 4D light bulb theorem with dual spheres of non-zero square Hannah Schwartz, Department of Mathematics, Princeton University,