To See a World in a Spark of Neuron: Disentangling Multi-task Interference for Training-free Model Merging

Zitao Fang¹, Guodong Du², Shuyang Yu^3*, Yifei Guo^4*,
Yiwei Zhang¹, Yiyao Cao¹, Jing Li², Ho-Kin Tang^2†, Sim Kuan Goh^1†

¹ Xiamen University Malaysia
² Harbin Institute of Technology (Shenzhen)
³ Columbia University ⁴ Duke University
Published at EMNLP 2025
^*Work conducted while at Xiamen University Malaysia
^†Corresponding authors