Tuesday, January 18
10:00 am - 11:00 am	Algebra and Geometry Seminar Online Event Weyl symmetry for curve counting invariants via spherical twists Tim-Henrik Buelles, ETH Zürich,
10:00 am - 11:00 am	Caltech/UCLA/USC Joint Analysis Seminar Online Event Nonuniqueness results from 2D Euler equations to 3D Navier-Stokes equations Maria Colombo, EPFL,
11:00 am - 12:00 pm	Caltech/UCLA/USC Joint Analysis Seminar Online Event Mathematical wave turbulence and propagation of chaos Yu Deng, Department of Mathematics, USC,
3:00 pm - 4:00 pm	Discrete Analysis Seminar Online Event Results on the largest sum-free subsets of integers Shukun Wu, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	canceled- Chemical Physics Seminar Online Event Todd Martinez, Ehrsam and Franklin Professor of Chemistry, Department of Chemistry, Stanford University,
4:00 pm - 5:00 pm	PCP Theorem Learning Seminar Linde Hall 387

Wednesday, January 19
12:00 pm - 1:00 pm	Astronomy Colloquium Online Event Pinpointing fast radio bursts in space and time Jason Hessels, Professor, University of Amsterdam & ASTRON,
12:00 pm - 1:00 pm	Logic Seminar Online Event Set theory and a proposed model of the mind in psychology Asger Törnquist, Department of Mathematics, University of Copenhagen,
4:00 pm - 5:00 pm	Chemical Physics Seminar Online and In-Person Event Quantum-chemical calculations for ultracold ion-atom scattering experiments Michal Tomza, Habilitaiton in Physics, Faculty of Physics, University of Warsaw,
5:00 pm - 6:00 pm	CANCELED: Watson Lecture - When Earth Breathed Deeply Online Event Claire E. Bucholz, Assistant Professor of Geology, Division of Geological and Planetary Sciences, Caltech,

Thursday, January 20
1:00 pm - 2:00 pm	LIGO Seminar New binary black hole merger detections in the LIGO–Virgo O3a data

Friday, January 21
11:00 am - 12:00 pm	IQIM Postdoctoral and Graduate Student Seminar Online Event Magnetism and Superconductivity in Crystalline Few-layer Graphene Haoxin Zhou, IQIM Postdoctoral Scholar, Nadj-Perge Group,
3:00 pm - 4:00 pm	Geometry and Topology Seminar Online Event From 3-manifolds to modular data Yang Qiu, Department of Mathematics, UC Santa Barbara,