Monday, April 19
4:00 pm - 5:00 pm	Astronomy Tea Talk Cahill, Hameetman Auditorium Time Dependent Radiative Transfer in SNe Atmosphere and Cosmic Recombination Epoch: Effect on Spectra and Transition Probabilities in a True Multilevel Framework Soma De, graduate student in physics and astronomy, University of Oklahoma,
4:15 pm - 5:15 pm	High Energy Physics Seminar—cancelled Lauritsen 469 Oscillons in Scalar and Gauge Field Theories: Theory and Applications in Particle Physics and Cosmology Marcelo Gleiser, professor of natural philosophy and professor of physics and astronomy, Dartmouth College,
4:15 pm - 5:15 pm	Applied Mathematics Colloquium Guggenheim 133 (Lees-Kubota Lecture Hall) Complex Huygens Principles as Efficient Representations of Wave Fields

Tuesday, April 20
3:00 pm - 4:00 pm	Institute for Quantum Information Seminar Annenberg 107 Cluster Expansions and the Stability of Topological Phases Israel Klich, assistant professor of physics, University of Virginia,
3:30 pm - 5:00 pm	Carnegie Observatories Colloquium Carnegie Observatories, 813 Santa Barbara St., William T. Golden Auditorium An Overview of Results from 18 Months of Data Taking by the Large Area Telescope on Fermi Troy Porter, Institute for Particle Physics, UC Santa Cruz ,
4:00 pm - 5:00 pm	Caltech/JPL Association for Gravitational-Wave Research Seminar Cahill, Hameetman Auditorium An Idiosyncratic History of Technical Developments Leading to LIGO Stan Whitcomb, LIGO chief scientist, Caltech,

Wednesday, April 21
12:00 pm - 1:00 pm	Mathematical Physics Seminar Lyapunov Exponents and Oseledets's Basis for Products of Independent Non-identically Distributed Matrices Ilya Goldsheid, professor of mathematics, Queen Mary, University of London,
2:30 pm - 3:30 pm	Applied Physics Seminar Annenberg 105 Novel Electro-Magnetic Phenomena: One-way-waveguides and Wireless Power Transfer Marin Soljacic, professor of physics, MIT,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Probing the Jet Collimation Region in M87 with VLBA and TeV Observations Craig Walker, National Radio Astronomy Observatory,

Thursday, April 22
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Illuminating Strongly Coupled Field Theories with Black Holes Shamit Kachru, permanent member, Kavli Institute for Theoretical Physics, visiting professor, UC Santa Barbara, and professor of physics (on leave), Stanford University,

Friday, April 23
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Y-system for Scattering Amplitudes Amit Sever, Perimeter Institute,