@inproceedings{dan2016the,
title={The cocenter of the graded affine Hecke algebra and the density theorem},
author={Dan Ciubotaru, and Xuhua He},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221113027890723781},
booktitle={Journal of Pure and Applied Algebra},
volume={220},
number={1},
pages={382-410},
year={2016},
}

Dan Ciubotaru, and Xuhua He. The cocenter of the graded affine Hecke algebra and the density theorem. 2016. Vol. 220. In Journal of Pure and Applied Algebra. pp.382-410. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221113027890723781.