Events at Physics

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Events During the Week of May 3rd through May 10th, 2020

Monday, May 4th, 2020

No events scheduled

Tuesday, May 5th, 2020

Council Meeting
Time: 4:00 pm - 5:00 pm
Place: Online
Host: Sridhara Dasu
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Wednesday, May 6th, 2020

Physics ∩ ML Seminar
Natural Graph Networks
Time: 11:00 am - 12:00 pm
Place: Please register for this online event:
Speaker: Taco Cohen, Qualcomm AI Research
Abstract: Message passing algorithms are the core of most neural networks that process information on graphs. Conventionally, such methods are invariant under permutation of the messages and hence forget how the information flows through the network. Analyzing the local symmetries of the graph, we show that a more general message passing network can in fact be sensitive the flow of information by using different kernels on different edges. This leads to an equivariant message passing algorithm that is more expressive than conventional invariant message passing, overcoming fundamental limitations of the latter. We derive the weight sharing and kernel constraints by modelling the symmetries using elementary category theory and show that equivariant kernels are “just” natural transformations between two functors. This general formulation, which we call Natural Networks, gives a unified theory to model many distinct forms of equivariant neural networks.
Host: Gary Shiu
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Department Meeting
Time: 12:15 pm - 1:15 pm
Place: Online
Speaker: Sridhara Dasu, Department Chair
Host: Sridhara Dasu
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Thursday, May 7th, 2020

Department Coffee Hour
Time: 3:00 pm - 4:00 pm
Place: Virtual
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.

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2020 Scholarships & Awards
Time: 5:00 pm - 6:30 pm
Place: Blackboard Collaborate; see link and dial-in access below
Abstract: Congratulations to all the 2019-20 scholarship and award winners! Please join us in a virtual event to celebrate their achievements.

For video and audio access, please visit
For audio access only, please dial +1-571-392-7650 and enter PIN 505 094 1468
Host: Sridhara Dasu
Presentation: 2019-20_award_winners.png
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Friday, May 8th, 2020

Atomic Physics Seminar
Virtual AMO Seminar Series
Time: 2:00 pm - 3:00 pm
Place: register for the Zoom link at:
Speaker: Holger Muller, University of California, Berkeley
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2020 Virtual Commencement Ceremony
Time: 3:00 pm - 4:30 pm
Abstract: Please join us for a live virtual Commencement ceremony for undergraduate Physics and AMEP majors and Physics PhDs. For more info and a list of graduates, please visit
Video + audio access:
Phone (audio only) access:
Dial +1-571-392-7650 | PIN: 749 839 6443
Presentation: 2020 program.png
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