Author

Ru-Xi Gu

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Preprint Sep 2026

Beyond Uniform Subspaces: Spectrum-Aware and Depth-Adaptive Fusion for Multi-Task Model Merging

Model merging aims to consolidate multiple task-specific models without access to extra training process. However, existing subspace-based methods largely rely on a uniform treatment of task updates, overlooking their intrinsic spectral and depth-wise heterogeneity. We identify two key deviations from this assumption:...

Ru-Xi Gu, Zi-Le Wang, Wei Wang · 0 citations

#natural language process... Jul 2026

ForgetBench: Benchmarking Forgetting Dynamics of Long-Term Parametric Memory in Language Models

This work proposes ForgetBench, a benchmark designed to systematically characterize forgetting behavior in LLMs under continual knowledge editing, and introduces two complementary evaluation paradigms, namely concept-based QA and scenario-based QA, to disentangle isolated factual retention from structured relational kn...

Ruxi Gu, Zhenliang Zhang, Wei Wang · arXiv.org · 1 citation