Monday, April 23
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Searching for dark matter with the XENON1T experiment Laura Baudis, University of Zurich,
4:00 pm - 5:00 pm	Joint LA Topology Seminar Distance one lens space fillings and band surgery Allison Moore, Department of Mathematics, UC Davis,
5:00 pm - 6:00 pm	Joint LA Topology Seminar Seiberg-Witten invariants of 4-dimensional homology circles Danny Ruberman, Department of Mathematics, Brandeis University,

Tuesday, April 24
4:00 pm - 5:00 pm	Gravitational-Wave Research Seminar Cahill, Hameetman Auditorium Measuring the Cosmic Microwave Background Polarization with the South Pole Telescope and Future Instruments Abby Crites, Caltech,
4:00 pm - 5:00 pm	Mathematics Colloquium East Bridge 201 (Richard P. Feynman Lecture Hall) Moore-Tachikawa 2d TQFTs whose values are holomorphic symplectic varieties Hiraku Nakajima, Department of Mathematics, Kyoto University,

Wednesday, April 25
2:00 pm - 3:00 pm	Logic Seminar Building 15, Room 131 Co-induction and invariant random subgroups Alekos Kechris, Department of Mathematics, Caltech,
3:00 pm - 4:00 pm	Analysis Seminar Building 15, Room 131 TBA Ioan Bejenaru, Department of Mathematics, UC San Diego,
3:00 pm - 4:30 pm	Arithmetic Geometry Learning Seminar Building 15, Room 104 Weights Daxin Xu, Department of Mathematics, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Imaging All the Sky All the Time in Search of Radio Exoplanets Gregg Hallinan, Caltech,
8:00 pm - 9:30 pm	Marina Agranov - "Negotiations and Group Decisions: Passing Bills with Backroom Deals" Beckman Auditorium

Thursday, April 26
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) 20th Lauritsen Memorial Lecture: The Radioactive Glow of Freshly-Synthesized Heavy Nuclei from a Neutron Star Collision Brian Metzger, Associate Professor, Department of Physics, Columbia University,

Friday, April 27
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Tinkertoys for E8 Jacques Distler, UT Austin,
12:00 pm - 1:00 pm	Undergraduate Math Club Seminar Uniformization of Complex Hyperbolic Curves and Real Hyperbolic 3--manifolds Tynan Ochse, Department of Mathematics, Caltech,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Choosing the start time of binary black hole ringdown Maria (Masha) Okounkova, Graduate Student, TAPIR, Caltech,
3:00 pm - 5:00 pm	Geometry and Topology Seminar Building 15, Room 104 Legendrian satellite knots, DGA representations, and the colored HOMFLY-PT polynomial Caitlin Leverson, School of Mathematics, Georgia Institute of Technology,
4:00 pm - 5:00 pm	Caltech/UCLA Joint Analysis Seminar Heinävarra's Proof of the Dobsch-Donoghue Theorem Barry Simon, Department of Mathematics, Caltech,
5:00 pm - 6:00 pm	Caltech/UCLA Joint Analysis Seminar Leibniz-type rules associated to bilinear pseudodifferential operators Virginia Naibo, Department of Mathematics, Kansas State University,