L3 Lab at CMU

CMU, School of Computer Science, LTI.
PI: Sean Welleck

The L3 Lab at CMU focuses on Machine Learning, Language, and Logic. This includes:

  • Foundations and applications of generative models.
  • Scalable learning, inference, and evaluation algorithms.
  • Neural tools for formal verification and theorem proving.
  • Machine learning systems that discover knowledge and improve over time.

news

Sep 3, 2026 Two new PhD students have joined the L3 Lab. Welcome Tianran and Peiyang!
Mar 22, 2026 Awarded DARPA expMath grant (lead PI) on AI for mathematics.
Sep 19, 2025 Thomas (Hanwen) Zhu named a 2026 Siebel Scholar.
Sep 1, 2025 Awarded NSF MFAI grant (co-PI) on mathematical frontiers of generative AI.
Sep 1, 2025 Awarded NSF AIMing grant (lead PI) on AI for mathematics.
Aug 25, 2025 Pranjal Aggarwal named a SoftBank Group-Arm Fellow.
Aug 4, 2025 ICARM, a new NSF Mathematical Sciences Research Institute founded.

members

sponsors

We are grateful to all of the organizations who have provided funding for the research our lab performs.