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Scott Geng

4 accepted papers

2026

Spurious Rewards: Rethinking Training Signals in RLVR

ICML 2026poster

We show that reinforcement learning with verifiable rewards (RLVR) can elicit strong mathematical reasoning in certain language models even with spurious rewards that have little, no, or outright negative correlation with the correct answer. For example, RLVR training with GRPO improves MATH-500 per…

Cited by 0SourcecodeScholar
2024

Exploiting Code Symmetries for Learning Program Semantics

ICML 2024spotlight

This paper tackles the challenge of teaching code semantics to Large Language Models (LLMs) for program analysis by incorporating code symmetries into the model architecture. We introduce a group-theoretic framework that defines code symmetries as semantics-preserving transformations, where forming…

Cited by 7SourcePDFScholar
2024

The Unmet Promise of Synthetic Training Images: Using Retrieved Real Images Performs Better

NeurIPS 2024poster

Generative text-to-image models enable us to synthesize unlimited amounts of images in a controllable manner, spurring many recent efforts to train vision models with synthetic data. However, every synthetic image ultimately originates from the upstream data used to train the generator. Does the int…

2023

Understanding Zero-shot Adversarial Robustness for Large-Scale Models

ICLR 2023poster

Pretrained large-scale vision-language models like CLIP have exhibited strong generalization over unseen tasks. Yet imperceptible adversarial perturbations can significantly reduce CLIP's performance on new tasks. In this work, we identify and explore the problem of adapting large-scale models for z…