Author

Yuchun Fan

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Preprint Aug 2026

Better Decomposition, Free Aggregation: A Synthesizer-Folding Framework for Multilingual Multi-Hop Question Answering

The method Syfer is introduced, a synthesizer-folding framework for multilingual multi-hop question answering that defers translation rather than applying it by default and attains competitive accuracy while striking a favourable balance between performance and computational cost.

Yilin Wang, Yuchun Fan, Weidong Bao et al. · 0 citations

Preprint Jul 2026

ToFu: A White-Box, Token-Efficient Agent Harness for Researchers

ToFu is presented, an agentic harness for researchers that reads your codebase, edits files, runs commands, and integrates with your development tools and provides a white-box agentic harness that allows researchers to inspect, modify, and evaluate its orchestration logic, tool-use behavior, and harness design.

Junhao Ruan, Yuan Ge, Bei Li et al. · 0 citations