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January 2021

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Monday, January 4th, 2021
Tuesday, January 5th, 2021
11:00am 12:15pm
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Chemical Physics Seminar

Online Event
Free Range Frequency Combs: mobilizing frequency comb laser technology from hypersonic research to atmospheric sensing
Greg Rieker, Associate Professor, Mechanical Engineering, University of Colorado- Boulder,
12:00pm 1:00pm
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Mathematics Colloquium

Online Event
The geometry and topology of scalar curvature
Chao Li, Department of Mathematics, Princeton University,
3:00pm 3:55pm
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Caltech/UCLA Joint Analysis Seminar

Online Event
Radon-like Transforms, Geometric Measures, and Invariant Theory
Philip T. Gressman, Department of Mathematics, University of Pennsylvania,
4:00pm 4:55pm
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Caltech/UCLA Joint Analysis Seminar

Online Event
Extreme values of the argument of the zeta function
Alexander Dobner, Department of Mathematics, UCLA,
Wednesday, January 6th, 2021
1:30pm 2:30pm
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High Energy Theory Informal Seminar

Online Event
A violation of global symmetries from replica wormholes and the fate of black hole remnants
Luca Iliesiu, Stanford University,
4:00pm 5:45pm
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▶︎POSTPONED: 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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Astronomy Colloquium

Online Event
Cosmic Rays in Multiphase Gas
Ellen Zweibel, W. L. Kraushaar Professor of Astronomy and Physics, University of Wisconsin-Madison,
Thursday, January 7th, 2021
9:00am 9:55am
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Analysis Seminar

Online Event
Quantitative stability for minimizing Yamabe metrics
Robin Neumayer, Department of Mathematics, Northwestern University,
12:00pm 1:00pm
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Mathematics Colloquium

Online Event
Actions of Homeo and Diffeo groups on manifolds
Lei Chen, Department of Mathematics, Caltech,
4:00pm 5:00pm
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Physics Colloquium

Online Event
Enabling novel light phenomena at the subwavelength scale
Marin Soljačić, MIT,
Friday, January 8th, 2021
3:00pm 4:00pm
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Geometry and Topology Seminar

Online Event
Orthogonal group and higher categorical adjoints
David Ayala, Department of Mathematical Sciences, Montana State University,
4:00pm 5:00pm
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Math Graduate Student Seminar

Online Event
Categorical Trace
Tamir Hemo, Department of Mathematics, Caltech,
Monday, January 11th, 2021
12:00pm 1:00pm
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Logic Seminar

Online Event
A new regularity property of the Haar null ideal
Zoltán Vidnyánszky, Department of Mathematics, Caltech,
7:30pm 9:30pm
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Astronomy on Tap

Online Event
"The Cosmic Gold Rush" and "The Secret to Building the Biggest Galaxies: Cannibalism"
Igor Andreoni, Postdoctoral Fellow, Department of Astronomy, Caltech,
Rachel Bezanson, Assistant Professor, Department of Physics and Astronomy, University of Pittsburgh,
Tuesday, January 12th, 2021
10:00am 11:15am
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Chemical Physics Seminar

Online Event
Nucleation enhancement in new particle formation from the vapor phase and water transport through gas-liquid interfaces in organic aerosols
Ruth Signorell, Professor of Physical Chemistry, Department of Chemistry and Applied Bioscience, ETZ Zurich,
12:00pm 1:00pm
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Mathematics Colloquium

Online Event
Thin sets of primes from reductions of abelian varieties and K3 surfaces
Yunqing Tang, Laboratoire de Mathématiques d'Orsay, CNRS & Université Paris-Sud,
Wednesday, January 13th, 2021
1:30pm 2:30pm
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High Energy Theory Seminar

Online Event
Ensemble averages of torus orbifolds
Nathan Benjamin, Princeton University,
5:00pm 6:00pm
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Watson Lecture - Artificial Intelligence: How it Works and What it Means for the Future

Online Event
Yisong Yue, Professor of Computing and Mathematical Sciences, Division of Engineering and Applied Science, Caltech,
Thursday, January 14th, 2021
9:00am 9:55am
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Analysis Seminar

Online Event
Stability of kinks in one-dimensional Klein-Gordon equations
Pierre Germain, Courant Institute of Mathematical Sciences, NYU,
4:00pm 5:00pm
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Physics Colloquium

Online Event
Choreographing Quantum Spin Dynamics with Light
Monika Schleier-Smith, Stanford University,
Friday, January 15th, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online Event
New non-perturbative effects in the gravitational path integral
Jordan Cotler, Harvard University,
2:00pm 3:00pm
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TAPIR Seminar

Online Event
Towards realistic post-merger simulations of binary neutron stars with SphericalNR
Vassilios Mewes, Postdoctoral Research Associate, Computational Astrophysics, Oak Ridge National Lab,
3:00pm 4:00pm
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Geometry and Topology Seminar

Online Event
Links all of whose branched cyclic covers are L-spaces
Hannah Turner, Department of Mathematics, UT, Austin,
Tuesday, January 19th, 2021
3:00pm 3:55pm
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Caltech/UCLA Joint Analysis Seminar

Online Event
Stationary random entire functions and related questions
Adi Glücksam, Department of Mathematics, University of Toronto,
4:00pm 4:55pm
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Caltech/UCLA Joint Analysis Seminar

Online Event
Joints of varieties
Yufei Zhao, Department of Mathematics, MIT,
Wednesday, January 20th, 2021
12:00pm 1:00pm
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Astronomy Colloquium

Online Event
Mergers, magnetars and multi-messengers
Stephen Smartt, Professor, Queens University Belfast,
12:00pm 1:00pm
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Logic Seminar

Online Event
Universal minimal flows of homeomorphism groups of high-dimensional manifolds
Todor Tsankov, Institut Camille Jordan, Université Claude Bernard – Lyon 1,
Thursday, January 21st, 2021
9:00am 9:55am
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Analysis Seminar

Online Event
The Robin eigenvalue problem: statistics and arithmetic
Zeev Rudnick, School of Mathematical Sciences, Tel-Aviv University,
4:00pm 5:00pm
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Physics Colloquium

Online Event
Neutrino Geoscience: measuring the Earth's neutrino flux and constraining its composition
Hiroko Watanabe, Tohoku University,
Friday, January 22nd, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online Event
Quantum Extremal Islands Made Easy
Rob Myers, Perimeter Institute,
3:00pm 4:00pm
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Geometry and Topology Seminar

Online Event
A family of 3d steady gradient solitons that are flying wings
Yi Lai, Department of Mathematics, UC Berkeley,
Monday, January 25th, 2021
12:00pm 1:00pm
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Logic Seminar

Online Event
A method for showing Π03 -completeness
Vassilios Gregoriades, Department of Mathematics, National Technical University of Athens,
4:00pm 5:00pm
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High Energy Physics Seminar

Online Event
Generalizing the Double-Copy: Masses and Higher-Derivatives
Callum Jones, UCLA,
Tuesday, January 26th, 2021
4:00pm 5:00pm
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POSTPONED: KNI Distinguished Webinar: Dr. Chad Mirkin, Northwestern University

Online Event
Colloidal Crystal Engineering with DNA: Repurposing the Blueprint for Life
Chad A. Mirkin, Director of the International Institute for Nanotechnology and the George B. Rathmann Professor of Chemistry, Chemical and Biological Engineering, Biomedical Engineering, Materials Science & Engineering, and Medicine, Northwestern University,
Wednesday, January 27th, 2021
4:00pm 5:00pm
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Astronomy Colloquium

Online Event
Reverberation mapping black hole accretion flows
Erin Kara, Assistant Professor of Physics, Massachusetts Institute of Technology,
Thursday, January 28th, 2021
9:00am 9:55am
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Analysis Seminar

Online Event
Nonlinear wave equations, the weak null condition, and radiation fields
Joseph Keir, Mathematical Institute, University of Oxford,
4:00pm 5:00pm
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Physics Colloquium

Online Event
Predicting the universe today from looking at the past with the Atacama Cosmology Telescope
Suzanne Staggs, Princeton University,
Friday, January 29th, 2021
11:00am 12:00pm
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High Energy Theory Seminar

Online Event
Pole-skipping in holographic theories
David Vegh, Queen Mary University of London,
11:00am 12:00pm
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IQIM Postdoctoral and Graduate Student Seminar

Online Event
Using Metrological Bounds in Quantum Error Correction
Aleksander Kubica, AWS Center for Quantum Computing,
2:00pm 3:00pm
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TAPIR Seminar

Online Event
The Most Distant Quasars in the Universe
Feige Wang, Hubble Fellow, Department of Astronomy and Steward Observatory, University of Arizona,
3:00pm 4:00pm
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Geometry and Topology Seminar

Online Event
Choosing points on cubic plane curves
Weiyan Chen, Yau Mathematical Sciences Center, Tsinghua University,
7:00pm 9:00pm
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Stargazing Lecture

Online Event
An Insider's Look Behind Science Headlines
Sarah Blunt, PhD Candidate, Department of Astronomy, Caltech,