@article{fusefksteeredmultimodalflowmatchingforef, title = {FUSE: FK-Steered Multi-Modal Flow Matching for Efficient Simulation-Based Posterior Estimation}, author = {Weichen Qin and Yufan Xie and Peihao Wang and Chia-Jui Chou and Minghui Du and Peng Xu and Ziren Luo and Yi Yang and Jingyi Yu and Bo Liang and Jiakai Zhang}, year = {2026}, eprint = {2607.05252}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2607.05252}, }