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February 2023

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Wednesday, February 1st, 2023
12:15pm 1:00pm
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IPAC Astronomy Seminar

Online and In-Person Event
Illuminating the Nature of Cosmic Acceleration
Yun Wang, IPAC, Caltech,
4:00pm 5:00pm
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Astronomy Colloquium

Probing Galaxy Physics with ISM Emission Lines
Shengqi Yang, CTAC Postdoctoral Fellow, Carnegie Observatories,
Thursday, February 2nd, 2023
12:00pm 1:30pm
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Quantum Matter Seminar

"Programmable adiabatic demagnetization: preparing low energy states by simulated cooling"
Professor Mark Rudner, University of Washington,
2:00pm 3:00pm
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High Energy Theory Seminar

Online and In-Person Event
Quantum Detectorology
Murat Kologlu, Yale University,
4:00pm 5:00pm
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Number Theory Seminar

The Gross--Kohnen--Zagier formula via $p$-adic uniformisation
Lea Beneish, Department of Mathematics, UC Berkeley,
4:00pm 5:00pm
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Physics Colloquium

Online and In-Person Event
Axion Dark Matter and Quantum Measurement: ABRACADABRA to DMRadio
, Lindley Winslow, Massachusetts Institute of Technology,
Friday, February 3rd, 2023
11:00am 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Nonperturbative scattering amplitudes from dispersive iterations of unitarity
Alexander Zhiboedov, CERN,
12:00pm 1:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Quantum error correction and computation with two-qubit measurements
Arpit Dua, UQM-IQIM Postdoctoral scholar, Xie Chen Group,
2:00pm 3:00pm
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TAPIR Seminar

Online and In-Person Event
Core-Collapse Supernovae: From the Last Decade to the Next
David Vartanyan, Hubble Einstein Fellow, Carnegie Observatories,
4:00pm 5:00pm
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Geometry and Topology Seminar

Fibrations, depth 1 foliations, and branched surfaces
Chi Cheuk Tsang, Department of Mathematics, UC Berkeley,
Monday, February 6th, 2023
4:00pm 5:00pm
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Algebra and Geometry Seminar

The Tate conjecture for h^{2, 0} = 1 varieties over finite fields
Xiaolei Zhao, Department of Mathematics, UC Santa Barbara,
4:00pm 5:00pm
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Astronomy Tea Talk

Online and In-Person Event
Magnetic White Dwarfs: The Galactic X-ray Sky in the SRG/eROSITA Era
Tony Rodriguez, Caltech,
4:00pm 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
Explorations in Hilbert Space
Markus Luty, UC Davis,
4:00pm 5:00pm
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Special Chemical Physics Seminar

Short- and Long-Range Chemical Interaction in Cluster and Condensed Phase
Wanlu Li, Postdoctoral Fellow, Department of Chemistry, University of California, Berkeley,
Tuesday, February 7th, 2023
12:00pm 1:00pm
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Logic Seminar

Online Event
The Solecki dichotomy and the Posner Robinson theorem
Patrick Lutz, Department of Mathematics, UCLA,
2:30pm 3:30pm
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Caltech/UCLA/USC Joint Analysis Seminar

Sharp time asymptotics for the quasi-geostrophic equation and near plane waves of reaction-diffusion models
Fazel Hadadifard, Department of Mathematics, UC Riverside,
3:30pm 4:30pm
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Caltech/UCLA/USC Joint Analysis Seminar

Radial projections in the plane
Hong Wang, Department of Mathematics, UCLA,
Wednesday, February 8th, 2023
11:00am 12:00pm
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Joint IQIM/AWS Seminar Series

Good Gottesman-Kitaev-Preskill codes from the NTRU cryptosystem
Jonathan Conrad, Free University, Berlin,
12:15pm 1:00pm
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IPAC Astronomy Lunch Seminar

The Formation of Galaxies And Supermassive Black Holes. Early Eesults from JWST
Tommaso Treu, Department of Astronomy, UCLA,
4:00pm 5:00pm
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Astronomy Colloquium

The Role of AGN-Driven Winds in their Host Galaxies' Evolution
Dalya Baron, Postdoctoral Fellow, Carnegie Observatories,
7:30pm 8:30pm
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Watson Lecture: Galactic Paleontology with JWST: Finding Living Fossils in the Ancient Universe

Online and In-Person Event
Chuck Steidel (PhD '90), Lee A. DuBridge Professor of Astronomy, Division of Physics, Mathematics and Astronomy, Department of Astronomy,
Thursday, February 9th, 2023
4:00pm 5:00pm
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Number Theory Seminar

Artin formalism for non-genuine p-adic Garrett-Rankin L-functions
Kazim Büyükboduk, School of Mathematics and Statistics, University College Dublin,
4:00pm 5:00pm
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Physics Colloquium

Online and In-Person Event
Minerva: Solving Quantitative Reasoning Problems with Language Models
Guy Gur-Ari, Google Research,
Friday, February 10th, 2023
11:00am 12:00pm
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High Energy Theory Seminar

Online and In-Person Event
Crossing Symmetry in Matter Chern Simons theories at finite N and k
Shiraz Minwalla, TaTa Institute,
2:00pm 3:00pm
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TAPIR Seminar

Online and In-Person Event
Collisions in Galactic Nuclei: Stars, Binaries, and Black Holes
Sanaea Rose, Graduate Student, Astronomy & Astrophysics, UCLA,
4:00pm 5:00pm
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Geometry and Topology Seminar

Finite Bowen-Margulis-Sullivan measures in higher rank
Mikolaj Fraczyk, Department of Mathematics, University of Chicago,
7:30pm 9:30pm
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Astronomy on Tap

"Planetary Detection" and "Space Volcanoes" in Death Valley
Max Goldberg, PhD Candidate, Department of Astronomy, Caltech,
Katherine de Kleer, Assistant Professor, Department of Planetary Science, Caltech,
Monday, February 13th, 2023
11:00am 12:00pm
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Special ACM Seminar

Towards the Ultimate Solver(s) for Wave Equations in the Time Domain
Thomas Hagstrom, Professor of Mathematics, Center for Research Computing, Southern Methodist University,
4:00pm 5:00pm
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Algebra and Geometry Seminar

p-adic Borel hyperbolicity of Shimura varieties of abelian type
Abhishek Oswal, Department of Mathematics, Caltech,
4:00pm 5:00pm
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Astronomy Tea Talk

Online and In-Person Event
Thirtysomething black holes
Lieke van Son, Harvard University,
4:00pm 5:00pm
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High Energy Physics Seminar

Online and In-Person Event
Axion wind detection with the homogeneous precession domain of superfluid helium-3
Christina Gao, University of Illinois Urbana-Champaign,
4:00pm 5:00pm
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Quantum Matter Seminar

Quantum simulators: from the Fermi Hubbard model to quantum assisted NMR inference
Eugene Demler, Professor, Department of Physics, ETH Zurich,
7:30pm 9:30pm
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Astronomy on Tap

"Supermassive Black Holes" and "The Age of Stars"
Rocio Kiman, Burke Postdoctoral Fellow, Department of Astronomy, Caltech,
Peter Boorman, Postdoctoral Fellow, Department of Astronomy, Caltech,
Tuesday, February 14th, 2023
3:00pm 4:00pm
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Discrete Analysis Seminar

Recent progress on the Polynomial Szemeredi Theorem
James Leng, Department of Mathematics, UCLA,
Wednesday, February 15th, 2023
11:00am 12:00pm
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Joint IQIM/AWS Seminar Series

Lower bounding the description complexity of quantum states
Chinmay Nirkhe, IBM Quantum,
12:15pm 1:00pm
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IPAC Astronomy Seminar

Online Event
Prospects for Kinematic Sunyaev-Zeldovich Measurements from Current and Future Cosmic Microwave Background Experiments
Srinivasan Raghunathan, NCSA, U. Illinois,
4:00pm 5:00pm
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Astronomy Colloquium

Theories of Planet Formation
Eve Lee, Assistant Professor, Department of Physics, McGill University,
4:00pm 5:00pm
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Special Chemical Physics Seminar

Imaging the Ultrafast Dynamics of Excitons in Atomically Thin Semiconductors
Alice Kunin, Postdoctoral Fellow, Department of Chemistry, Stony Brook University,
Thursday, February 16th, 2023
1:00pm 2:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Ehrenfest's theorem beyond the Ehrenfest time: non-singular classical limit for general open systems
Jess Riedel, NTT Research,
3:00pm 4:00pm
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LA Probability Forum

Eigenvalues of minors of random matrices and roots of derivatives of random polynomials
David Renfrew, Department of Mathematics and Statistics, Binghamton University,
4:00pm 5:00pm
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LA Probability Forum

Infinite trees in the arboreal gas
Noah Halberstam, Department of Pure Mathematics and Mathematical Statistics, Cambridge University,
4:00pm 5:00pm
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Number Theory Seminar

Algebraic and p-adic aspects of L-functions, with a view toward Spin L-functions for GSp_6
Ellen Eischen, Department of Mathematics, University of Oregon,
4:00pm 5:00pm
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Physics Colloquium

Online and In-Person Event
Understanding Mechanisms for Creating Complex Materials with Built-In Cross-Coupled Responses
Nicole Benedek, Cornell University,
5:00pm 6:00pm
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LA Probability Forum

Spectral stability under real random absolutely continuous perturbations
Jorge Garza Vargas, Department of Computing and Mathematical Sciences, Caltech,