🧑🔬 Mark Ibrahim — papers of 2025 — 1 paper, the most cited first1 paper · all years of Mark IbrahimAbstentionBench: Reasoning LLMs Fail on Unanswerable QuestionsConference on Neural Information Processing Systems (NeurIPS)Polina Kirichenko, Mark Ibrahim, Kamalika Chaudhuri, et al.2025 · 35 citationsThis page in Markdown → https://md.research.elamur.ai/free/en/authors/mark-ibrahim/year/2025/