GeoFed-Cervix: A Differential Geometry-Guided Federated and Explainable AI Framework for Early Cervical Cancer Detection on Consumer Devices. - Sabyasachi Mukhopadhyay; Nazeer Haider; Chinmay Chakraborty; Saranjit Singh; Satyasaran Changdar; Pabitra Mitra (IEEE Trans. Consumer Electron., 2026)