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November

| Event Location: Connect via zoom | Speaker: David Stenning (SFU)

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Modern astronomy involves complex data generating mechanisms, complex data collection mechanisms, and complex underlying physics questions, resulting in an abundance of complex statistical challenges. In particular, astronomers may rely on computer simulators to model complex physics, creating a need for statistical methodology that combines these simulators with astrophysical data to perform inference.

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Add to Calendar 2020-11-30T15:00:00 2020-11-30T16:00:00 Computer Simulations and Bayesian Inference in Astrostatistics Modern astronomy involves complex data generating mechanisms, complex data collection mechanisms, and complex underlying physics questions, resulting in an abundance of complex statistical challenges. In particular, astronomers may rely on computer simulators to model complex physics, creating a need for statistical methodology that combines these simulators with astrophysical data to perform inference. Event Location: Connect via zoom

December

| Event Location: Connect via Zoom | Speaker: Magdalena Zych, University of Queensland

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Add to Calendar 2020-12-02T14:00:00 2020-12-02T15:00:00 TBD Event Location: Connect via Zoom

December

| Event Location: Connect via zoom | Speaker: Philip Kim (Harvard)

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Modern electronics heavily rely on the technology to confine electrons in the interface layers of semiconductors. In recent years, scientists discovered that various atomically thin van der Waals (vdW) layered materials can be isolated. In these atomically thin materials, quantum physics allows electrons to move only in an effective 2-dimensional (2D) space.  By stacking these 2D quantum materials, one can also create atomic-scale heterostructures with a wide variety of electronic and optical properties.

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Add to Calendar 2020-12-03T16:00:00 2020-12-03T17:00:00 Stacking van der Waals atomic layers: quest for new quantum materials Modern electronics heavily rely on the technology to confine electrons in the interface layers of semiconductors. In recent years, scientists discovered that various atomically thin van der Waals (vdW) layered materials can be isolated. In these atomically thin materials, quantum physics allows electrons to move only in an effective 2-dimensional (2D) space.  By stacking these 2D quantum materials, one can also create atomic-scale heterostructures with a wide variety of electronic and optical properties. Event Location: Connect via zoom

December

| Event Location: Connect via zoom | Speaker: Francisco Villaescusa-Navarro (Princeton)

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Recent advances in deep learning are triggering a revolution across fields in science. In this talk I will show how these techniques can also benefit cosmology and astrophysics. I will present a new approach whose final goal is to extract every single bit of information from cosmological surveys. I will start showing the large amount of cosmological information that is embedded on small, non-linear, scales; information that cannot be retrieved using the traditional power spectrum. I will then show how neural networks can learn the optimal estimator needed to extract that information.

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Add to Calendar 2020-12-07T15:00:00 2020-12-07T16:00:00 Cosmology in the machine learning era Recent advances in deep learning are triggering a revolution across fields in science. In this talk I will show how these techniques can also benefit cosmology and astrophysics. I will present a new approach whose final goal is to extract every single bit of information from cosmological surveys. I will start showing the large amount of cosmological information that is embedded on small, non-linear, scales; information that cannot be retrieved using the traditional power spectrum. I will then show how neural networks can learn the optimal estimator needed to extract that information. Event Location: Connect via zoom

December

| Event Location: Connect via Zoom |

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Join members of the Department of Physics & Astronomy to celebrate the festive season by remotely gathering to hear answers to the following
questions:

What makes the reindeer able to fly? What technology allows the elves to make all those toys? Does Santa use the principles of relativity and quantum mechanics to deliver all the gifts in a single night?

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Add to Calendar 2020-12-17T16:00:00 2020-12-17T17:30:00 The Physics of Santa Join members of the Department of Physics & Astronomy to celebrate the festive season by remotely gathering to hear answers to the following questions: What makes the reindeer able to fly? What technology allows the elves to make all those toys? Does Santa use the principles of relativity and quantum mechanics to deliver all the gifts in a single night? Event Location: Connect via Zoom