2 papers
math.MG2025
New Sphere Packings from the Antipode Construction
Ruitao Chen, Jiachen Hu, Binghui Li +2
In this note, we construct non-lattice sphere packings in dimensions , , , , , , and , demonstrating record densities that surpass all previously docume…
cs.LG2025
The Power of Active Multi-Task Learning in Reinforcement Learning from Human Feedback
Ruitao Chen, Liwei Wang
Reinforcement learning from human feedback (RLHF) has contributed to performance improvements in large language models. To tackle its reliance on substantial amounts of human-label…