Events at Physics

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Events During the Week of September 6th through September 13th, 2020

Monday, September 7th, 2020

Academic Calendar
Labor Day
Abstract: *Note: actual end time may vary.* University offices closed..
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Tuesday, September 8th, 2020

Network in Neutrinos, Nuclear Astrophysics, and Symmetries (N3AS) Seminar
Dark matter
Time: 3:30 pm
Speaker: Tongyan Lin, UCSD
Host: Baha Balantekin
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Wednesday, September 9th, 2020

Physics ∩ ML Seminar
Insights on gradient-based algorithms in high-dimensional learning
Time: 11:00 am - 12:30 pm
Place: Please register for this online event:
Speaker: Lenka Zdeborova, Université Paris-Saclay
Abstract: Gradient descent algorithms and their noisy variants, such as the Langevin dynamics or multi-pass SGD, are at the center of attention in machine learning. Yet their behaviour remains perplexing, in particular in the high-dimensional non-convex setting. In this talk, I will present several high-dimensional and (mostly) non-convex statistical learning problems in which the performance of gradient-based algorithms can be analysed down to a constant. The common point of these settings is that the data come from a probabilistic generative model leading to problems for which, in the high-dimensional limit, statistical physics provides exact closed solutions for the performance of the gradient-based algorithms. The covered settings include the spiked mixed matrix-tensor model, the perceptron or phase retrieval.
Host: Gary Shiu
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Wisconsin Quantum Institute
CQE Briefing: Universal Coherence Protection in a Solid-State Spin Qubit
Time: 11:00 am - 11:30 am
Place: Join Virtually:
Speaker: David Awschalom and Kevin Miao UChicago, UChicago, Argonne
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Department Meeting
Time: 12:15 pm - 1:30 pm
Place: Virtual see "abstract" for connection info
Speaker: Sridhara Dasu, Department Chair, UW-Madison
Meeting Coordinates: Meeting number: 120 392 9242 Password: Q5EjaTz3Pk3 (75352893 from phones) Join by video system Dial You can also dial and enter your meeting number. Join by phone +1-415-655-0001 US Toll +1-312-535-8110 United States Toll (Chicago) Access code: 120 392 9242
Host: Sridhara Dasu, Department Chair
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Thursday, September 10th, 2020

No events scheduled

Friday, September 11th, 2020

Graduate Introductory Seminar (Physics 701)
Science Opportunities with New Ultrafast X-ray Sources
Time: 12:05 pm - 12:55 pm
Place: BBCollaborate
Speaker: Uwe Bergmann, UW Madison Department of Physics
Host: Sridhara Dasu
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Department Coffee Hour
Time: 3:00 pm - 4:00 pm
Abstract: Join us weekly for an informal virtual coffee hour! Catch up with others in the department, tell us how things are going, and impress everyone with your Zoom background skills. Coffee Hour is open to any and all faculty, staff, and students in the department. Sometimes we have a topic, and we'll try to get that topic posted here in advance or sent out by email before each coffee hour.
Host: Department
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