Request for paper codes

[dtyi01]

Dear Professor,
I hope this message finds you well. While reading your article, I noticed the section regarding l0-hsja; however, I did not find that part in the code. Would you be able to share the l0-hsja code with me?

Thank you very much for your assistance.

[vietvo89]

Hi Ding

l0_hsja is not our main implementation, so we just developed and drafted it in a notebook. To reproduce results for your purposes, please follow my instructions as follows:

1. Clone https://github.com/Jianbo-Lab/HSJA
2. Replace their projection function (built for $l_2, l_\infty$) by $l_0$ projection.
3. You can find the code for $l_0$ projection here in utils.py