FedHC: Enhanced federated learning with Hessian and cosine correlation for proximal correlation. - Kushall Singh; Monu Verma; Dinesh Kumar Tyagi; Santosh Kumar Vipparthi; G. Shankara Raju Kosuru; Subrahmanyam Murala; Mohamed Abdel-Mottaleb (Knowl. Based Syst., 2026)