Papers by Hachem Madmoun
Communication Enables Cooperation in LLM Agents: A Comparison with Curriculum-Based Approaches (2026.eacl-short)
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| Challenge: | a "cheap talk" channel increases cooperation in 4-player Stag Hunt, but a complex curriculum can induce "learned pessimism" in agents. |
| Approach: | They investigate whether a direct communication channel can elicit cooperation in multi-agent LLMs. |
| Outcome: | The proposed curriculum reduces agent payoffs by 27.4% in a 4-player Stag Hunt simulation. |
FinChain: A Symbolic Benchmark for Verifiable Chain-of-Thought Financial Reasoning (2026.acl-long)
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Zhuohan Xie, Daniil Orel, Rushil Thareja, Dhruv Sahnan, Hachem Madmoun, Fan Zhang, Debopriyo Banerjee, Georgi Nenkov Georgiev, Xueqing Peng, Lingfei Qian, Jimin Huang, Jinyan Su, Aaryamonvikram Singh, Rui Xing, Rania Elbadry, Chen Xu, Haonan Li, Fajri Koto, Ivan Koychev, Tanmoy Chakraborty, Yuxia Wang, Salem Lahlou, Veselin Stoyanov, Sophia Ananiadou, Preslav Nakov
| Challenge: | Existing benchmarks emphasize final numerical answers while neglecting intermediate reasoning steps. |
| Approach: | They propose a symbolic benchmark for verifiable Chain-of-Thought evaluation in finance . FINCHAIN spans 58 topics across 12 financial domains and three difficulty levels . |
| Outcome: | The proposed benchmark aims to bridge symbolic reasoning and factual verification. |