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Week of October 18, 2026

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Monday, October 19th, 2026
11:00am – 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Inner Horizon Saddles and a Spectral KSW Criterion
Jackie Caminiti, Perimeter Institute for Theoretical Physics,
1:30pm – 2:30pm
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High Energy Theory Seminar

Online and In-Person Event
Bootstrapping Hidden Symmetries
Zihan Zhou, Princeton University,
4:00pm – 5:00pm
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Astronomy Tea Talk

Cahill 370
Oryna Ivashtenko, PhD candidate, Weizmann Institute of Science,
Anthony Englert, Postdoc, Brown University & UC Davis,
4:00pm – 5:00pm
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Quantum Matter Seminar

East Bridge 114
Ultrafast Optical Excitation of Antiferromagnetic or Inertial Magnons in 2D Magnets
Branislav K. Nikolic, Professor, Department of Physics and Astronomy, University of Delaware,
Tuesday, October 20th, 2026
8:15am – 12:30pm
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KISS Short Course - Too Distant, Too Uncertain, Too Unforgiving: Assuring Autonomous Space Explorers We've Yet to Trust

Chen 100
Wednesday, October 21st, 2026
12:00pm – 1:00pm
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Logic Seminar

Online Event
The Complexity of the Quasi-Isometry Relation for Finitely Generated Groups
Simon Thomas, Distinguished Professor Emeritus of Mathematics, Rutgers University,
12:15pm – 1:00pm
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Calltech/IPAC Seminar

IPAC 102 (Large Conference Room)
MSA-3D: Insights into the emergence of the modern Hubble Sequence
Ivana Barisic, UC Davis,
4:15pm – 5:15pm
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Applied Physics and Materials Science Seminar Series

Noyes 147 (J. Holmes Sturdivant Lecture Hall)
From Light to Learning: Predicting Excited-State Dynamics at the Spectroscopic Frontier
Diana Qiu, Assistant Professor, Materials Science, Yale University,
Thursday, October 22nd, 2026
12:05pm – 1:00pm
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Observational Cosmology Seminar

Cahill 370
Dust-shrouded Cosmology Surveys: Impact of Milky Way Extinction on Galaxy Clustering and SNIa Cosmology
Tanveer Karim, Postdoc, University of Toronto,
4:00pm – 5:00pm
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Algebra, Geometry, & Number Theory Seminar

Linde Hall 387
Independence of tautological classes and cohomological stability for strata of differentials
Hannah Larson, Assistant Professor, Department of Mathematics, UC Berkeley,
4:00pm – 5:00pm
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Physics Colloquium

East Bridge 201 (Richard P. Feynman Lecture Hall)
Superconducting Nanowire Single Photon Detector Arrays for Time-Resolved Imaging and Infrared Detection
Matthew Shaw, Senior Research Scientist, Supervisor of the Superconductive Materials and Devices Group, JPL,
Friday, October 23rd, 2026
12:00pm – 1:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Quantum Breakdown Model: from Disorder-free Glass to SPT
Biao Lian, Princeton,
2:00pm – 3:00pm
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TAPIR Seminar

Online and In-Person Event
Quasi-periodic eruptions: new transient probes of stars near supermassive black holes
Joheen Chakraborty, Graduate Student, Department of Physics, MIT,
3:00pm – 4:00pm
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Geometry & Topology Seminars

Linde Hall 387
Relating the Colored Jones Polynomial to Hyperbolic Volume Through Categorification
Christine Ruey Shan Lee, Assistant Professor, Department of Mathematics, Texas State University,
8:00pm – 10:00pm
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Stargazing Lecture

Cahill Center for Astronomy and Astrophysics
How Do You Find a Planet You Can't See?
Anjali Tripathi, Research Scientist, NASA Jet Propulsion Laboratory,