Alexander K. Lew

PhD student, Massachusetts Institute of Technology

Joined

November 2020

Names

Alexander K. Lew (Preferred)

Emails

****@mit.edu (Confirmed)

Personal Links

Homepage

Google Scholar

DBLP

Career & Education History

PhD student

Massachusetts Institute of Technology (mit.edu)

2018 – Present

Undergrad student

Yale University (yale.edu)

2011 – 2015

Advisors, Relations & Conflicts

PhD Advisor

Vikash Mansinghka

2018 – Present

PhD Advisor

Joshua Tenenbaum

2018 – Present

Expertise

Probabilistic programming

Present

Publications

Improving autoformalization via cycle consistency and incremental type-checking using language-model probabilistic programs
Mauricio Barba da Costa, Fabian Zaiser, Katherine M. Collins, Romir Patel, Timothy J. O'Donnell, Alexander K. Lew, Joshua B. Tenenbaum, Vikash Mansinghka, Cameron Freer
- MATH-AI 2025 Poster
- Readers: Everyone
Modeling Open World Cognition as On-Demand Synthesis of Probabilistic Models
Lionel Wong, Katherine M. Collins, Lance Ying, Cedegao E. Zhang, Adrian Weller, Tobias Gerstenberg, Timothy J. O'Donnell, Alexander K. Lew, Jacob Andreas, Joshua B. Tenenbaum, Tyler BrookeWilson
- LAW
- Readers: Everyone
Self-Steering Language Models
Gabriel Grand, Joshua B. Tenenbaum, Vikash Mansinghka, Alexander K. Lew, Jacob Andreas
- COLM 2025
- Readers: Everyone
Fast Controlled Generation from Language Models with Adaptive Weighted Rejection Sampling
Ben Lipkin, Benjamin LeBrun, Jacob Hoover Vigly, João Loula, David R. MacIver, Li Du, Jason Eisner, Ryan Cotterell, Vikash Mansinghka, Timothy J. O'Donnell, Alexander K. Lew, Tim Vieira
- COLM 2025
- Readers: Everyone
Self-Steering Language Models
Gabriel Grand, Joshua B. Tenenbaum, Vikash Mansinghka, Alexander K. Lew, Jacob Andreas
- ICLR 2025 Workshop VerifAI Oral
- Readers: Everyone
Syntactic and Semantic Control of Large Language Models via Sequential Monte Carlo
João Loula, Benjamin LeBrun, Li Du, Ben Lipkin, Clemente Pasti, Gabriel Grand, Tianyu Liu, Yahya Emara, Marjorie Freedman, Jason Eisner, Ryan Cotterell, Vikash Mansinghka, Alexander K. Lew, Tim Vieira, Timothy J. O'Donnell
- ICLR 2025 Oral
- Readers: Everyone
Sequential Monte Carlo Steering of Large Language Models using Probabilistic Programs
Alexander K. Lew, Tan Zhi-Xuan, Gabriel Grand, Vikash Mansinghka
- SODS 2023 Oral
- Readers: Everyone
Differentiating Metropolis-Hastings to Optimize Intractable Densities
Gaurav Arya, Ruben Seyer, Frank Schäfer, Kartik Chandra, Alexander K. Lew, Mathieu Huot, Vikash Mansinghka, Jonathan Ragan-Kelley, Christopher Vincent Rackauckas, Moritz Schauer
- Differentiable Almost Everything
- Readers: Everyone
SMCP3: Sequential Monte Carlo with Probabilistic Program Proposals
Alexander K. Lew, George Matheos, Tan Zhi-Xuan, Matin Ghavamizadeh, Nishad Gothoskar, Stuart Russell, Vikash Mansinghka
- 29 May 2023
- OpenReview Archive Direct Upload
- Readers: Everyone
ADEV: Sound Automatic Differentiation of Expected Values of Probabilistic Programs
Alexander K. Lew, Mathieu Huot, Sam Staton, Vikash Mansinghka
- 16 May 2023
- OpenReview Archive Direct Upload
- Readers: Everyone

View all 19 publications

Co-Authors

View all 55 co-authors