Best Arm Identification in Generalized Linear Bandits via Hybrid Feedback
In Proceedings of the 40th Annual Conference on Neural Information Processing Systems
Qirun Zeng
Ph.D. candidate at City University of Hong Kong
I study learning and decision-making under uncertainty, with a focus on bandit algorithms, feedback design, and adversarial robustness.
Selected Publications
⋆ Equal contribution.
Practical Adversarial Attacks on Stochastic Bandits via Fake Data Injection
In Proceedings of the 40th Annual Conference on Neural Information Processing Systems
Research Interests
- Bandit learning
- Reward and preference feedback, best-arm identification, and sample-efficient exploration.
- Adversarial robustness
- Data poisoning in bandits and red-teaming of LLM multi-agent systems.
- Sequential inference
- Confidence sequences, e-values, and multiple testing.
- Combinatorial optimization
- Influence maximization, approximation algorithms, and memory-efficient sampling.
Recent News
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Our paper WEREWOLF: Reputation-Aware Red-Teaming for Self-Organizing LLM Multi-Agent Systems was accepted to Findings of EMNLP 2026.
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Our paper One Rounding Fits All: Memory-Efficient Approximation Algorithms for Partition-Constrained Influence Maximization was accepted to KDD 2026.
About
I am a Ph.D. candidate in Computer Science at City University of Hong Kong, advised by Prof. Jinhang Zuo. Previously, I worked as a research assistant with Prof. Sibo Wang at the Chinese University of Hong Kong from July to October 2024.
I received my bachelor’s degree in Computer Science and Technology from the School of the Gifted Young at the University of Science and Technology of China, where I was advised by Prof. Xue Chen and Prof. Jinhang Zuo.
Service
2026
Reviewer
ICLR and NeurIPS.
2025
Reviewer
ICML and NeurIPS.
Teaching
I have served as a teaching assistant for programming, data structures, algorithms, and mathematical analysis courses.
- Current rating
- 1630
- Peak rating
- 1648
- Problems solved
- 118
- Rated contests
- 18
Explore topics & languages
Problems by topic
Tag frequency
28topics
- greedy72
- math38
- constructive algorithms34
- brute force27
- implementation27
- dp22
Other (22) 143
- sortings21
- binary search16
- data structures14
- bitmasks10
- dfs and similar10
- graphs10
- two pointers9
- number theory8
- interactive6
- strings6
- trees6
- combinatorics5
- games5
- divide and conquer3
- dsu2
- geometry2
- graph matchings2
- hashing2
- schedules2
- shortest paths2
- probabilities1
- ternary search1
Languages
127 accepted submissions
2languages
- C++98
- Python29
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