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Liangzu Peng

PhD student, University of Pennsylvania

2 papers at NeurIPS 2025

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Poster Session 3

Thursday, December 4, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

Accelerating Block Coordinate Descent for LLM Finetuning via Landscape Expansion

#3301 · Qijun Luo, Yifei Shen, Liangzu Peng, Dongsheng Li, Xiao Li

Poster Session 6

Friday, December 5, 2025 · 4:30 PM → 7:30 PM

Exhibit Hall C,D,E

SECA: Semantically Equivalent and Coherent Attacks for Eliciting LLM Hallucinations

#1305 · Buyun Liang, Liangzu Peng, Jinqi Luo, Darshan Thaker, Kwan Ho Ryan Chan, Rene Vidal

We propose SECA, a constraint-preserving zeroth-order method that elicits LLM hallucinations via semantically equivalent and coherent rephrasings.