Search Results for author: Xu Kong

Found 2 papers, 0 papers with code

A Lyman-α protocluster at redshift 6.9

no code implementations25 Jan 2021 Weida Hu, Junxian Wang, Leopoldo Infante, James E. Rhoads, Zhen-Ya Zheng, Huan Yang, Sangeeta Malhotra, L. Felipe Barrientos, Chunyan Jiang, Jorge González-López, Gonzalo Prieto, Lucia A. Perez, Pascale Hibon, Gaspar Galaz, Alicia Coughlin, Santosh Harish, Xu Kong, Wenyong Kang, Ali Ahmad Khostovan, John Pharo, Francisco Valdes, Isak Wold, Alistair R. Walker, XianZhong Zheng

Here we report the discovery of the protocluster LAGER-z7OD1 at a redshift of 6. 93, when the Universe was only 770 million years old and could be experiencing rapid evolution of the neutral hydrogen fraction in the intergalactic medium.

Astrophysics of Galaxies

A Novel Sparsity Measure for Tensor Recovery

no code implementations ICCV 2015 Qian Zhao, Deyu Meng, Xu Kong, Qi Xie, Wenfei Cao, Yao Wang, Zongben Xu

In this paper, we propose a new sparsity regularizer for measuring the low-rank structure underneath a tensor.

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