@article{xmtfaformulafreemodelforreinforcement, title = {xMTF: A Formula-Free Model for Reinforcement-Learning-Based Multi-Task Fusion in Recommender Systems}, author = {Yang Cao and Changhao Zhang and Xiaoshuang Chen and Kaiqiao Zhan and Ben Wang}, year = {2025}, eprint = {2504.05669}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2504.05669v1}, }