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xzAscC/README.md

Xudong Zhu

PhD student at The Ohio State University, advised by Zhihui Zhu.
B.Eng. from UESTC, advised by Zhao Kang and Hao Dong.

I study the representations and training dynamics of large language models,
with an eye toward mechanistic interpretability.

Website  ·  Google Scholar  ·  Email  ·  X / Twitter

Research

RobustDiM-PrefixSteering ProbingReflection PostDyn AbsTopK-SAE
Full publication list

Building in Public

LLMUsage dotfiles

Happy to chat about interpretability and LLM research — email me.
Project cards are regenerated daily from public GitHub data by a GitHub Action; styling adapted from github-stats-extended.

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  1. RobustDiM-PrefixSteering RobustDiM-PrefixSteering Public

    [Under Review] Not All Tokens Are Equally Useful for Steering: Robust Directions and Prefix Steering

    Python 8

  2. GoXzascc/AbsTopK-SAE GoXzascc/AbsTopK-SAE Public

    [ICLR 2026] AbsTopK: Rethinking Sparse Autoencoders For Bidirectional Features

    Python 3 2

  3. ProbingReflection ProbingReflection Public

    [TMLR 2026] From Emergence to Control: Probing and Modulating Self-Reflection in Language Models.

    Python 3 1

  4. PostDyn PostDyn Public

    [Ongoing] Post-training dynamics for SFT/RL checkpoint trajectories, concept directions, and structural analysis.

    Python 1

  5. LLMUsage LLMUsage Public

    Local-first LLM subscription usage for Hyprland, OpenAI / GLM / Grok / Claude in your bar (CLI + Quickshell)

    TypeScript 1

  6. dotfiles dotfiles Public

    Personal dotfiles for fish, Neovim, and OpenCode, managed with GNU Stow.

    Lua 1