activity
20232026
most citedMechanistically analyzing the effects of fine-tuning on procedurally defined tasks

4 citations · 11 across the 15 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Mechanisms of Misgeneralization in Physical Sequence Modeling

Kento Nishi, Raphael Tang, Karun Kumar +2

Generative sequence models are often trained to plan motion in physical domains, from robotics to mechanical simulations. When constructing a dataset to train such a model, enginee…

cs.LG2025

In-Context Learning Strategies Emerge Rationally

Daniel Wurgaft, Ekdeep Singh Lubana, Core Francisco Park +3

Recent work analyzing in-context learning (ICL) has identified a broad set of strategies that describe model behavior in different experimental conditions. We aim to unify these fi…

cs.AI2025

Decomposing Elements of Problem Solving: What "Math" Does RL Teach?

Tian Qin, Core Francisco Park, Mujin Kwun +5

Mathematical reasoning tasks have become prominent benchmarks for assessing the reasoning capabilities of LLMs, especially with reinforcement learning (RL) methods such as GRPO sho…

cs.CL2025

: System-2 Fine-tuning for Robust Integration of New Knowledge

Core Francisco Park, Zechen Zhang, Hidenori Tanaka

Humans and intelligent animals can internalize new information and accurately internalize their implications to perform downstream tasks. While large language models (LLMs) can ach…

cs.CL2025★ 1 cited

ICLR: In-Context Learning of Representations

Core Francisco Park, Andrew Lee, Ekdeep Singh Lubana +5

Recent work has demonstrated that semantics specified by pretraining data influence how representations of different concepts are organized in a large language model (LLM). However…

cs.LG2024

Competition Dynamics Shape Algorithmic Phases of In-Context Learning

Core Francisco Park, Ekdeep Singh Lubana, Itamar Pres +1

In-Context Learning (ICL) has significantly expanded the general-purpose nature of large language models, allowing them to adapt to novel tasks using merely the inputted context. T…

cs.LG2024

Representation Shattering in Transformers: A Synthetic Study with Knowledge Editing

Kento Nishi, Rahul Ramesh, Maya Okawa +3

Knowledge Editing (KE) algorithms alter models' weights to perform targeted updates to incorrect, outdated, or otherwise unwanted factual associations. However, recent work has sho…

cs.LG2024

Swing-by Dynamics in Concept Learning and Compositional Generalization

Yongyi Yang, Core Francisco Park, Ekdeep Singh Lubana +3

Prior work has shown that text-conditioned diffusion models can learn to identify and manipulate primitive concepts underlying a compositional data-generating process, enabling gen…

cs.LG2024★ 1 cited

A Percolation Model of Emergence: Analyzing Transformers Trained on a Formal Language

Ekdeep Singh Lubana, Kyogo Kawaguchi, Robert P. Dick +1

Increase in data, size, or compute can lead to sudden learning of specific capabilities by a neural network -- a phenomenon often called "emergence''. Beyond scientific understandi…

cs.LG2024

Emergence of Hidden Capabilities: Exploring Learning Dynamics in Concept Space

Core Francisco Park, Maya Okawa, Andrew Lee +2

Modern generative models demonstrate impressive capabilities, likely stemming from an ability to identify and manipulate abstract concepts underlying their training data. However,…

cs.LG2024

Towards an Understanding of Stepwise Inference in Transformers: A Synthetic Graph Navigation Model

Mikail Khona, Maya Okawa, Jan Hula +5

Stepwise inference protocols, such as scratchpads and chain-of-thought, help language models solve complex problems by decomposing them into a sequence of simpler subproblems. Desp…

cs.LG2023★ 1 cited

Compositional Capabilities of Autoregressive Transformers: A Study on Synthetic, Interpretable Tasks

Rahul Ramesh, Ekdeep Singh Lubana, Mikail Khona +2

Transformers trained on huge text corpora exhibit a remarkable set of capabilities, e.g., performing basic arithmetic. Given the inherent compositional nature of language, one can…

cs.LG2023★ 4 cited

Mechanistically analyzing the effects of fine-tuning on procedurally defined tasks

Samyak Jain, Robert Kirk, Ekdeep Singh Lubana +5

Fine-tuning large pre-trained models has become the de facto strategy for developing both task-specific and general-purpose machine learning systems, including developing models th…

cs.AI2023

In-Context Learning Dynamics with Random Binary Sequences

Eric J. Bigelow, Ekdeep Singh Lubana, Robert P. Dick +2

Large language models (LLMs) trained on huge corpora of text datasets demonstrate intriguing capabilities, achieving state-of-the-art performance on tasks they were not explicitly…

cs.LG2023★ 4 cited

Compositional Abilities Emerge Multiplicatively: Exploring Diffusion Models on a Synthetic Task

Maya Okawa, Ekdeep Singh Lubana, Robert P. Dick +1

Modern generative models exhibit unprecedented capabilities to generate extremely realistic data. However, given the inherent compositionality of the real world, reliable use of th…