Hi there 馃憢

Thanks for dropping by! I’m Arul Murugan, currently a masters student at UC Berkeley.

The Jagged Global Economy: Frontier AI Unevenly Exposes National Economies

We estimate how labor markets in 141 countries are exposed to frontier AI, showing large cross-country variation, gender gaps, adoption correlations, and remittance-linked indirect exposure.

July 6, 2026 路 Me

Interpreting and Steering LLM Agents for Social Simulations

We compare prompting, sparse autoencoders, and linear probes for interpreting and controlling LLM agent behavior in social science simulations. SAE-based steering outperforms prompting, offering fine-grained, predictable control over preferences and capabilities.

February 15, 2026 路 Me

Sybil-Resilient Preference Aggregation for RLHF

We present the first formal framework for defending RLHF preference aggregation against sybil attacks. We prove standard Bradley-Terry is not sybil-safe, propose SQ-BT as a defense, and characterize a tight, fundamental safety-liveness tradeoff.

December 20, 2025 路 Me

Probing Circuit Robustness: How Syntactic Form Shapes Neural Circuit Activation in LLMs

We investigate whether neural circuits in LLMs remain stable under semantic-preserving paraphrases. Our central finding: syntactic form, not semantic content, is the primary determinant of circuit activation.

December 15, 2025 路 Me

Theorizing with LLMs

This is the first ever paper that I have contributed to, we did this exactly an year back.

September 6, 2025 路 Me