Department of Computer Science
The University of Hong Kong
Email: zczhao at cs.hku.hk
I am a PhD student at dept. of CS, HKU. My supervisor is Dr. Hubert Chan. I received my BEng degree from Jilin University in 2012.
Hardness of Approximation
Cryptocurrency (Bitcoin, Ethereum)
zero-knowledge proof systems
CSIS1118_COMP2121 Foundations of Computer Science and Discrete Mathematics, Spring 2013.
- Ranking on Arbitrary Graphs: Rematch via Continuous LP with Monotone and Boundary Condition Constraints. T-H. Hubert Chan, Fei Chen, Xiaowei Wu, Zhichao Zhao. SODA 2014. [pdf]
- Dynamic Tree Shortcut with Constant Degree. T-H. Hubert Chan, Xiaowei Wu, Chenzi Zhang, Zhichao Zhao. COCOON 2015. [pdf]
- On the Complexity of the Minimum Independent Set Partition Problem. T-H. Hubert Chan, Charalampos Papamanthou, Zhichao Zhao. COCOON 2015. [pdf]
- How to Vote Privately Using Bitcoin. Zhichao Zhao, T-H. Hubert Chan. (to appear) ICICS 2015.