Wednesday, April 1
1:30 pm - 3:00 pm	Logic Seminar Kellogg 307 Dynamics of the homeomorphism group of the Lelek fan Aleksandra Kwiatkowska, Hedrick Assistant Adjunct Professor, Mathematics, UCLA,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Chemical Signatures of Planet Formation in Gas Rich Disks Edwin Bergin, U. Michigan,
5:00 pm - 6:00 pm	Keck Institute for Space Studies - Open Lecture Guggenheim 133 (Lees-Kubota Lecture Hall) Mars Helicopter Scout MiMi Aung, Autonomous Systems Deputy Division Manager, Jet Propulsion Laboratory,
8:00 pm - 9:30 pm	Pamela J. Bjorkman - A Molecular Arms Race: The Immune System Versus HIV Beckman Auditorium

Thursday, April 2
4:00 pm - 5:00 pm	Number Theory Seminar Convergence polygons for p-adic differential equati Kiran Kedlaya, Stefan E. Warschawski Chair in Mathematics, Mathematics, UCSD,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) The CMB and Neutrinos Lyman Page, Henry De Wolf Smyth Professor of Physics; Chair, Department of Physics, Princeton University,

Friday, April 3
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Generalized Global Symmetries Anton Kapustin, Caltech and Simons Center for Geometry and Physics, Stony Brook,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 Enhancing Generalized Unitarity Jacob Bourjaily, Neils Bohr Institute, University of Copenhagen,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Weak lensing calibrated scaling relations of galaxy groups and poor clusters Maggie Lieu, Graduate Student, Astronomy & Space Research (ASR), University of Birmingham,
3:00 pm - 5:00 pm	Geometry and Topology Seminar A graph TQFT for hat Heegaard Floer homology". Ian Zemke, Teaching Assistant, Mathematics, UCLA,
4:00 pm - 5:00 pm	Caltech/UCLA Joint Analysis Seminar Incidences between points and lines and extremal configuration of lines in Euclidean spaces Noam Solomon, Mathematics, University of Tel Aviv,
4:30 pm - 5:15 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Holographic quantum error-correcting codes: Toy models for the bulk/boundary correspondence Fernando Pastawski, IQIM Postdoctoral Scholar,
5:00 pm - 6:00 pm	Caltech/UCLA Joint Analysis Seminar Progress on the Triangular Hilbert Transform Christoph Thiele, Professor, Bonn,

Monday, April 6
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Higgs Boson as the Origin of Mass and Inflation Hong-Jian He, Tsinghua University,

Tuesday, April 7
12:00 pm - 1:00 pm	Mathematical Physics Seminar On Abrikosov lattice solutions of the Ginzburg-Landau (GL) equation Li Chen, Graduate Student, Mathematics, University of Toronto,
4:00 pm - 5:00 pm	Mathematics Colloquium Invariant random subgroups behaving like normal subgroups Omer Tamuz, Schramm Postdoctoral Fellow, Mathematics, MIT,
4:00 pm - 5:00 pm	CMI Seminar Annenberg 213 Nonlinear Linear Systems Analysis Applied to Networked Dynamical Systems Enrique Mallada, CMI Postdoctoral Fellow, Center for the Mathematics of Information, Caltech,

Wednesday, April 8
9:00 am - 12:00 pm	Astronomy Workshop - Introduction Cahill, Hameetman Auditorium Technology Concepts for the Next Generation VLA Sander Weinreb (Caltech) and Tony Beasley (NRAO),
4:00 pm - 5:00 pm	Combinatorics Seminar Structure and Pseudo-Randomness in Coding Theory Shachar Lovett, Assistant Professor, CSE, UCSD,
4:00 pm - 5:30 pm	Noncommutative Geometry Seminar Periods in Perturbative Quantum Field Theory Emad Nasrollahpoursamani, Graduate Student, Mathematics, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Data-driven models of stars David Hogg, NYU,

Thursday, April 9
3:00 pm - 4:00 pm	Number Theory Seminar Selmer ranks of twists of hyperelliptic curves and superelliptic curves Myungjun Yu, Graduate Student, Mathematics, UC Irvine,
4:00 pm - 5:00 pm	Astronomy Workshop - Conclusions Cahill, Hameetman Auditorium Technology Concepts for the Next Generation VLA Sander Weinreb (Caltech) and Tony Beasley (NRAO),
4:00 pm - 5:00 pm	Number Theory Seminar Overconvergent construction of anticyclotomic p-adic L-functions Chan-Ho Kim, Visiting Assistant Professor, Mathematics, UC Irvine,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Testing Quantum Systems Umesh Vazirani, Roger A. Strauch Professor of EECS, Computer Science Division, UC Berkeley,

Friday, April 10
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Heterotic strings and generalised geometry Ruben Minasian, Penn State,
1:00 pm - 2:00 pm	High Energy Theory Seminar Lauritsen 469 Deformations of superconformal theories Ken Intriligator, UCSD,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 Dark Matter Detections in Photons Split by a Million in Energy: Interpretations of X-ray lines and Gamma-ray Bumps Kevork Abazajian, Professor, Dept of Physics & Astronomy, UC Irvine,
3:00 pm - 5:00 pm	Geometry and Topology Seminar Groups presentable by products and an ordering of Thurston geometries by maps of non-zero degree Christoforos Neofytidis, Riley Assistant Professor, Mathematics, Binghamton University,
4:30 pm - 5:15 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Matter Wave Interferometry in Microgravity - Towards Quantum Sensors in Space Markus Krutzik, Postdoctoral Scholar in Communications Architectures and Research , JPL,

Monday, April 13
4:00 pm - 5:00 pm	High Energy Physics Seminar - RESCHEDULED TO MAY 26 Lauritsen 469 First results from DarkSide-50 Maria Monzani, Stanford,

Tuesday, April 14
4:00 pm - 5:00 pm	CMI Seminar Annenberg 213 Nonlinear Linear Systems Analysis Applied to Networked Dynamical Systems Enrique Mallada, CMI Postdoctoral Fellow, Center for the Mathematics of Information, Caltech,

Wednesday, April 15
3:00 pm - 5:00 pm	Geometry and Topology Seminar Alternating knot with unknotting number one Duncan Mccoy, PhD. Student, Mathematics, University of Glasgow,
4:00 pm - 5:30 pm	Noncommutative Geometry Seminar Geometry, Topology, and Modern Classifications of Quantum Matter Wentao (Winston) Fan, Undergraduate, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Active Galaxies in Cosmic X-ray Surveys: The Ecology of Distant AGNs Dave Alexander,

Thursday, April 16
4:00 pm - 5:00 pm	Number Theory Seminar Pro-p Iwahori Hecke algebras are Gorenstein Rachel Ollivier, Assistant Professor, Mathematics, UBC,
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) The Environments of Black Holes - New Understandings from NuSTAR Fiona Harrison, Benjamin M. Rosen Professor of Physics and Astronomy, Caltech,

Friday, April 17
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Yang-Mills-Einstein Theory as a Double Copy Henrik Johansson, NORDITA and Uppsala University,
12:00 pm - 1:15 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Unfolding the color code Alex Kubica, Graduate Student, Preskill Group,
12:00 pm - 1:15 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Entanglement detection by interfering quantum many-body twins Rajibul Islam, Postdoctoral Fellow - Greiner Group, Rubidium Gas Microscopy, MIT-Harvard Center for Ultracold Atoms,
3:00 pm - 5:00 pm	Geometry and Topology Seminar L-space surgeries on links Yajing Liu, Graduate Student, Mathematics, UCLA,

Saturday, April 18
9:00 am - 5:00 pm	Southern California Number Theory Day 2015

Monday, April 20
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 The shape of new physics in (semi-)leptonic B decays Rodrigo Alonso de Pablo, UC San Diego,

Tuesday, April 21
3:00 pm - 4:00 pm	IQI Weekly Seminar Annenberg 107 Near-linear constructions of exact unitary 2-designs Debbie Leung, Perimeter Institute,
4:00 pm - 5:00 pm	Special Seminar in Applied Mathematics Annenberg 105 Coarsening of Particle Systems Professor David Levermore, Mathematics Department, University of Maryland, College Park,
4:00 pm - 5:00 pm	Gravitational-Wave Research Seminar Cahill, Hameetman Auditorium G4v - An Engineering Approach to Gravitation Carver Mead, Caltech,

Wednesday, April 22
1:30 pm - 3:00 pm	Logic Seminar Kellogg 307 Every analytic equivalence relation with all Borel classes is a Borel equivalence relation somewhere William Chan, Grad Student, Mathematics, Caltech,
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium Cosmology with Planck 2015 George Efstahiou, Cambridge,
4:00 pm - 5:30 pm	Noncommutative Geometry Seminar The 4th Generator of the Odd K-Theory of 3-Dimensional Noncommutative Tori Viktor Kasatkin, Graduate Student, Mathematics, Caltech,

Thursday, April 23
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) Interferometry in a strong light Cindy Regal, Assistant Professor of Physics, University of Colorado Boulder,
4:00 pm - 5:00 pm	Number Theory Seminar On the non-triviality of generalised Heegner cycles modulo p Ashay Burungale, Graduate Student, Mathematics, UCLA,

Friday, April 24
11:00 am - 12:00 pm	High Energy Theory Seminar Lauritsen 469 Integral geometry and the entropic nature of points and lengths Bartek Czech, Stanford,
2:00 pm - 3:00 pm	TAPIR Seminar Cahill 370 The Impact of Environment on Galaxy Evolution Stephanie Tonnesen, Postdoctoral Fellow, Carnegie Observatories,
2:00 pm - 5:00 pm	Memorial Service for Thomas A. Tombrello, Jr., Robert H. Goddard Professor of Physics Athenaeum
3:00 pm - 5:00 pm	Geometry and Topology Seminar A characterization of virtually embedded subsurfaces in 3-manifolds Yi Liu, Taussky - Todd Instructor, Mathematics, Caltech,
4:00 pm - 5:00 pm	IQIM Postdoctoral and Graduate Student Seminar East Bridge 114 Unfolding the color code Alex Kubica, Graduate Student - Preskill Group,

Monday, April 27
1:00 pm - 2:30 pm	Logic Seminar Kellogg 307 Turbulent relations Alberto Candel, Mathematics, CSUN,
1:00 pm - 2:30 pm	Logic Seminar Kellogg 307 Turbulent relations Alberto Candel, Mathematics, Cal State Northridge,
4:00 pm - 5:00 pm	Algebraic Geometry Seminar The Drinfeld-Lafforgue-Vinberg degeneration of the stack of G-bundles Simon Schieder, Graduate Student, Mathematics, Harvard University,
4:00 pm - 5:00 pm	High Energy Physics Seminar Lauritsen 469 Precision QCD simulations for the LHC Stefan Hoeche, SLAC,

Tuesday, April 28
4:00 pm - 5:00 pm	Chemical Physics Seminar Noyes 147 (J. Holmes Sturdivant Lecture Hall) On Some Master Equation Models Involving Pre-Reactive Complexes John R. Barker, Emeritus Professor of Atmospheric Science, Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor,
4:00 pm - 5:00 pm	Mathematics Colloquium The microlocal codimension-three conjecture Kari Vilonen, Professor of Mathematics, Mathematics, Northwestern University,
4:00 pm - 5:00 pm	Carnegie Observatories Colloquium Carnegie Observatories, 813 Santa Barbara St., William T. Golden Auditorium TBA Prof. James Lloyd, Cornell,
8:00 pm - 9:00 pm	Charles and Thomas Lauritsen Memorial Lecture Beckman Auditorium The Organized Mind: Thinking Straight in the Age of Information Overload Daniel J. Levitin,
8:00 pm - 10:00 pm	Charles and Thomas Lauritsen Memorial Lecture: "The Organized Mind: Thinking Straight in the Age of Information Overload" Beckman Auditorium

Wednesday, April 29
4:00 pm - 5:00 pm	Astronomy Colloquium Cahill, Hameetman Auditorium The Turbulent Frontier in Massive Stellar Death Sean Couch, Caltech,
4:00 pm - 5:30 pm	Noncommutative Geometry Seminar Scalar Curvature for the Noncommutative 4-Torus and its Functional Relations Farzad Fathizadeh, Instructor, Mathematics, Caltech,

Thursday, April 30
4:00 pm - 5:00 pm	Physics Research Conference East Bridge 201 (Richard P. Feynman Lecture Hall) "In vivo" Multiphoton Imaging of Mouse Brain Chris Xu, Professor and Director of Undergraduate Studies, Applied and Engineering Physics, Cornell University,