@article{latelayerfusionisenoughdualpathvisiontok, title = {Late-Layer Fusion is Enough: Dual-Path Vision Token Routing for Multimodal Large Language Models under Visual Saturation}, author = {Siyuan Liu and Jinyang Wu}, year = {2026}, eprint = {2606.09131}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.09131}, }