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2021.10.14
What can we learn about the origin of the Solar System from the study of extraterrestrial materials
The asteroids provide excellent opportunities to study the formation and early evolution of the Solar System. This is because they are small and can not retain heat efficiently, and thus cooled early ...
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2021.10.14
Classical and quantum algorithms for nonconvex optimization
Nonconvex optimization is a central research topic in machine learning, mainly because the loss functions in many machine learning models (including neural networks) are typically nonconvex. However, ...
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2021.09.30
Novel views on planet formation and dust evolution: connecting protoplanetary disk demographics with exoplanets, debris disks and exoplanet atmospheres
<p>Structures such as gaps and rings in ALMA observations of protoplanetary disks have long been hailed as signposts of planet formation. However, a direct link between exoplanets and protoplanetary disk...</p>
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2021.09.23
Search for Fast radio bursts with Chinese radio telescopes
In this talk, the speaker will show the fast radio burst (FRB) searching efforts with Chinese radio telescopes, including Xinjiang 26m, Yunnan 40m, Luonan 40m, and FAST 500m telescopes. they will disc...
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2021.09.16
Exploring the dynamic X-ray universe with the Einstein Probe mission
Time-domain astrophysics is being revolutionised by the advent of the multi-wavelength and multi-messenger era. The Einstein Probe (EP) is a space mission designed to discover and characterise high-en...
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2021.09.09
Galaxy cluster mass estimation with deep learning and hydrodynamical simulations
We evaluate the ability of Convolutional Neural Networks (CNNs) to predict galaxy cluster masses in the BAHAMAS hydrodynamical simulations. We train four separate single-channel networks using: stella...
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2021.06.10
Probing stellar initial mass function with CNO isotopes
<p>All measurements of cosmic star formation must assume the stellar initial mass function (IMF) to extrapolate from the star-formation rate (SFR) measured for massive stars to the total SFR. Traditional...</p>
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2021.06.03
1000 days Around the Earth - the Planets discovered by TESS
Since the launch of the Transiting Exoplanet Survey Satellite (TESS) three years ago, the exoplanet field had a new boom of discoveries. In this talk, the speaker will review the main exoplanet result...
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2021.05.27
Discovering other Earths while sustaining our unique home in the Cosmos
Observations show that exoplanets are ubiquitous. For the first time, we have the technological capability to discover planets with similar bulk properties to Earth by monitoring the radial-velocity o...
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2021.05.20
Chaos and the time-reversibility paradox
During the Great Plague of London in 1965, Isaac Newton went for a 2 year quarantene in his home in Woolsthorpe, where he layed down the faundation of his later theories on calculus, optics and the la...
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