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researcher

Nils Lukas

24 papers hereh-index 111.1k citations43 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author12
  • last author12

Across the 24 of 24 papers where every author was matched, so the position is known.

fields
  • cs.CR6
  • cs.CV5
  • cs.AI4
  • cs.CL3
  • cs.LG3
  • cs.DC1

identity via Semantic Scholar / OpenAlex

collaborators
Showing cs.AIShow all

4 papers · 1 filter

cs.AI2026

When the Chain of Thought Knows Better: Failure Modes in Multi-Turn Reasoning Models

Sai Kartheek Reddy Kasu, Nils Lukas, Samuele Poppi

Failures in multi-turn reasoning models are largely invisible to terminal-score evaluation. A model can lock onto an unsafe stance early in a long dialogue, yet its final-turn refu…

cs.AI2026

MAC: Multi-Agent Constitution Learning

Rushil Thareja, Gautam Gupta, Francesco Pinto +1

Constitutional AI is a method to oversee and control LLMs based on a set of rules written in natural language. These rules are typically written by human experts, but could in prin…

cs.AI2026

Breaking the Martingale Curse: Multi-Agent Debate via Asymmetric Cognitive Potential Energy

Yuhan Liu, Juntian Zhang, Yichen Wu +4

Multi-Agent Debate (MAD) has emerged as a promising paradigm for enhancing large language model reasoning. However, recent work reveals a limitation:standard MAD cannot improve bel…

cs.AI2026

CORE: Collaborative Reasoning via Cross Teaching

Kshitij Mishra, Mirat Aubakirov, Martin Takac +2

Large language models exhibit complementary reasoning errors: on the same instance, one model may succeed with a particular decomposition while another fails. We propose Collaborat…

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