Hi, welcome to my page. I am Changrui, you can also call me Ray. Now I am a PhD student at CS department of City University of Hong Kong(CityUHK), where I am supervised by Prof. MA Ziye(马梓业). Before that, I was an undergraduate student at Wuhan University, majoring in Information and Computational Science (also called Computational Mathematics), where I was fortunate to receive guidance from Prof. ZHANG Jiwei(张继伟) and Prof. HU Jie(胡捷).

My research interest:

• Data centric AI: LLM data selection
• Optimization: optimization landscape, training dynamics

Here are my CVs(Curriculum Vitae): CV in English ・ CV in Chinese