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报告题目：KUN Universe: Constructing the Cosmological Emulator for CSST

报告嘉宾：余瑜 上海交通大学 副教授

报告时间：2025年7月16日 10:00

腾讯会议：279-425-779

主持人：王云

报告摘要

In this talk I will introduce Kun, a recently finished high resolution simulation suite for precision cosmology and China Space Station Telescope cosmology science. The Kun suite consists of 129 simulations covering 8 dimensional cosmological parameter space, including dynamic dark energy and massive neutrinos. The CSST Emulator constructed on Kun suite has competitive performance in predicting summary statistics, including matter power spectrum, halo mass function, and base functions in bias expansion framework. More statistics including weak lensing and base components in halo model framework are under development. It also provides a base data set for validating the universality of statistics, re-calibrate analytical tools in a wide parameter space, and test the extendability of AI performance.

嘉宾简介

Yu Yu is a tenure-track associate professor in Shanghai Jiao Tong University. He obtained PhD in 2013 from Shanghai Astronomical Observatory, Chinese Academy of Sciences, and stay there as a faculty member. In 2017 he moved to the Department of Astronomy, Shanghai Jiao Tong University. He has broad interest in cosmology and large-scale structure, on various cosmic probes including weak lensing and baryon acoustic oscillations, as well as the cosmological simulation techniques.

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女性自慰-女人自慰-女性自慰工具 理论物理中心