@article{cpfedcommunicationefficientandprivacy, title = {Concentrated Differentially Private and Utility Preserving Federated Learning}, author = {Rui Hu and Yuanxiong Guo and Yanmin Gong}, year = {2020}, eprint = {2003.13761}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2003.13761v4}, }