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October 2021

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Friday, October 1st, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
2d N=(0,1) gauge theories, Spin(7) orientifolds and triality
Xingyang Yu, NYU,
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Permanent of random matrices from representation theory: moments, numerics, concentration, and comments on hardness of boson-sampling
Sepehr Ghazi Nezami, Sherman Fairchild Postdoctoral Scholar, Preskill Group,
2:00pm 3:00pm
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TAPIR Seminar

Online Event
Constraining Dark Matter through Gravitational Heating and Cooling Processes
Dhruba Dutta Chowdhury, Graduate Student, Department of Astronomy, Yale University,
3:00pm 4:00pm
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Geometry and Topology Seminar

Reflection in algebra and topology
Aaron Mazel-Gee, Department of Mathematics, Caltech,
Monday, October 4th, 2021
10:00am 11:00am
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High Energy Physics Seminar

Online Event
The SMEFT program at the LHC
Ilaria Brivio, Universität Heidelberg,
Tuesday, October 5th, 2021
4:00pm 5:00pm
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CMI Seminar: Mateo Diaz

Complexity, conditioning, and saddle avoidance in nonsmooth optimization
Mateo Diaz, CMI Postdoctoral Fellow, CMS, Caltech,
4:00pm 5:45pm
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Diverse Minds Seminar

Online Event
The Hierarchy of Knowledge in Machine Learning & Related Fields and its Consequences
Dr. Timnit Gebru, Research Scientist, Artificial Intelligence, Black in AI,
4:00pm 5:00pm
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KNI Distinguished Webinar with Dr. Jennifer Lewis (Harvard University)

Online Event
Responsive soft matter via 3D multi-material printing
Jennifer A. Lewis, Jianming Yu Professor of Arts and Sciences; Wyss Professor for Biologically Inspired Engineering in the Paulson School of Engineering and Applied Sciences, Harvard University,
Wednesday, October 6th, 2021
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Realization of real-time fault-tolerant quantum error correction
Ciarán Ryan-Anderson, Honeywell Quantum Solutions,
12:00pm 1:00pm
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Logic Seminar

Online Event
Realizations of equivalence relations and subshifts
Forte Shinko, Department of Mathematics, Caltech,
1:30pm 2:30pm
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High Energy Theory Informal Seminar

Online and In-Person Event
A Novel Framework for Higher Loop Witten Diagrams
Aidan Hederschee, University of Michigan,
4:00pm 5:00pm
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Astronomy Colloquium

Online and In-Person Event
Astrophysical Probes of the Microphysical Nature of the Dark Matter
Kathryn Zurek, Professor of Theoretical Physics, Department of Physics, Math and Astronomy, California Institute of Technology,
Thursday, October 7th, 2021
9:00am 10:00am
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High Energy Theory Seminar

Online and In-Person Event
Quantum minimal surfaces from quantum error correction
Geoffrey Penington, UC Berkeley,
4:00pm 5:00pm
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Physics Colloquium

Online and In-Person Event
Black holes, information and wormholes
Geoffrey Penington, UC Berkeley,
Friday, October 8th, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Higher lattice gauge theories
Blazej Ruba, Jagellonian University,
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Nuclear spin-wave quantum register for a rare-earth ion qubit
Andrei Ruskuc, Graduate Student, Faraon Group,
2:00pm 3:00pm
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TAPIR Seminar

Interpreting Gravitational Waves from Core-collapse Events Using Supernova Simulations
Michael Pajkos, Graduate Student, University Distinguished Fellow, Astrophysics and High Performance Computing, Michigan State University,
3:00pm 4:00pm
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Geometry and Topology Seminar

Solutions to the Monge-Ampere equation with polyhedral and Y-shaped singularities
Connor Mooney, Department of Mathematics, UC, Irvine,
Monday, October 11th, 2021
4:00pm 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
Electroweak Bubble Wall Velocity
Yikun Wang, Caltech,
Tuesday, October 12th, 2021
4:00pm 5:00pm
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CMI Seminar: Mateo Diaz

Clustering a mixture of Gaussians with unknown covariance
Wednesday, October 13th, 2021
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Abstract and physical constraints on quantum LDPC codes
Anirudh Krishna, Bloch Postdoctoral Fellow in quantum science and engineering, Stanford,
12:00pm 1:00pm
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Logic Seminar

Online Event
Algorithmic information theory, effective descriptive set theory and geometric measure theory
Theodore Slaman, Department of Mathematics, UC, Berkeley,
4:00pm 5:00pm
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Astronomy Colloquium

Online and In-Person Event
Imaging Stellar Surfaces at the CHARA Array
Theo ten Brummelaar (Director) / Gail Schaefer (Associate Director), Director, CHARA Array, Department of Physics and Astronomy, Georgia State University,
Thursday, October 14th, 2021
4:00pm 5:00pm
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Physics Colloquium

Online and In-Person Event
First Results from the Muon g-2 Experiment at Fermilab's Muon Campus
Chris Polly, Fermilab,
Friday, October 15th, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Aspects of the black hole/string transition
Yiming Chen, Princeton University,
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Probing Topological Phenomena in Time-Multiplexed Photonic Resonator Networks
Christian Leefmans, Graduate Student, Marandi Group,
2:00pm 3:00pm
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TAPIR Seminar

Online and In-Person Event
The next frontier in gravitational wave cosmology
Jose Maria Ezquiaga, Postdoctoral Researcher, Department of Physics, The University of Chicago,
3:00pm 4:00pm
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Geometry and Topology Seminar

Online Event
A large surgery formula for instanton Floer homology
Fan Ye, Department of Pure Mathematics and Mathematical Statistics, University of Cambridge,
7:00pm 9:00pm
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Stargazing Lecture

Online Event
Tiny but Powerful: Hunting for Extreme White Dwarfs
Ilaria Caiazzo, Sherman Fairchild Postdoctoral Scholar Research Associate in Theoretical Astrophysics, Caltech,
Monday, October 18th, 2021
12:30pm 1:30pm
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Berkeley-Caltech-Stanford Joint Number Theory Seminar

Online Event
On p-adic uniformization of abelian varieties with good reduction
Jackson Morrow, Department of Mathematics, UC Berkeley,
4:00pm 5:00pm
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Algebra and Geometry Seminar

A Categorical Künneth Formula for Weil Sheaves
Tamir Hemo, Department of Mathematics, Caltech,
4:00pm 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
EFT on the sky: from galaxies to black holes
Mikhail Ivanov, NYU,
7:30pm 9:30pm
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杯酒谈天线上直播 (Astronomy on Tap, Chinese)

Online Event
詹姆斯-韦伯望远镜发射特别活动
Jinyi Yang, Postdoctoral Fellow, Department of Astronomy, University of Arizona,
Fei Dai, Postdoctoral Fellow, Division of Geological and Planetary Sciences, Caltech,
Tuesday, October 19th, 2021
12:00pm 1:00pm
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Diverse Minds Seminar

Online Event
A Conversation with Dr. Ayana Elizabeth Johnson
Dr. Ayana Elizabeth Johnson, Marine Biologist, Policy Expert, Writer, and Brooklyn Native. She is founder of Urban Ocean Lab, a think tank for coastal cities, and is co-creator and co-host of the Spotify/Gimlet podcast How to Save a Planet.,
3:00pm 4:00pm
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Discrete Analysis Seminar

Point-box incidences and logarithmic density of semilinear graphs
Minh Tran, Department of Mathematics, University of Notre Dame,
4:00pm 5:00pm
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Number Theory Seminar

Iwasawa theory in the Gan-Gross-Prasad setting
Shilin Lai, Department of Mathematics, Princeton University,
Wednesday, October 20th, 2021
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Observation of Time-Crystalline Eigenstate Order on a Quantum Processor
Vedika Khemani, Assistant Professor of Physics, Stanford,
12:00pm 1:00pm
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Logic Seminar

Online Event
The axiom of real determinacy in admissible sets
Juan P. Aguilera, Department of Mathematics, Ghent University,
4:00pm 5:00pm
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Astronomy Colloquium

Online and In-Person Event
Systems of Short-Period Exoplanets: Regularities and Anomalies
Sarah Millholland, NASA Sagan Fellow, Department of Astrophysical Sciences, Princeton University,
5:00pm 6:00pm
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Watson Lecture - Megasupramolecules: From Disaster to Discovery

Online Event
Julia A. Kornfield (BS '83, MS '84), Elizabeth W. Gilloon Professor of Chemical Engineering, Division of Chemistry and Chemical Engineering, Caltech,
Thursday, October 21st, 2021
4:00pm 5:00pm
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Number Theory Seminar

A fully faithful alternative to the Montreal functor
Carl Wang-Erickson, Department of Mathematics, University of Pittsburgh,
4:00pm 5:00pm
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Physics Colloquium

Online and In-Person Event
Progress and Prospects for the Second Quantum Revolution
Steven M. Girvin, Department of Physics & Yale Quantum Institute, Yale University,
Friday, October 22nd, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Imaging the quantum extremal surface
Adam Levine, Institute for Advanced Study,