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Vivian Zhang | Lattice

Vivian Zhang

UChicago

Papers on Lattice

1

Total citations

0

Topics

3

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3

Publication activitypapers/week, last 8 weeks

Research focus

Eval Frameworks & Benchmarks (1)Natural Language Processing (1)Tool Use & Agents (1)

Frequent co-authors

Yunze Xiao (1)Chenghao Yang (1)Ning Ma (1)Weihao Xuan (1)

Papers (1)

Apr 27, 2026

Language Techonology Institute3w ago·also UChicago, UTokyo

The Chameleon's Limit: Investigating Persona Collapse and Homogenization in Large Language Models

LLMs that nail individual personas can still fail spectacularly at generating diverse populations, instead defaulting to coarse stereotypes.

Yunze Xiao, Vivian Zhang, Chenghao Yang +3

Eval Frameworks & Benchmarks Natural Language Processing Tool Use & Agents

Jen-tse Huang (1)