A Scalable AI Driven, IoT Integrated Cognitive Digital Twin for Multi-Modal Neuro-Oncological Prognostics and Tumor Kinetics Prediction using Enhanced Vision Transformer and XAI. - Saptarshi Banerjee; Himadri Nath Saha; Utsho Banerjee; Rajarshi Karmakar; Jon Turdiev (CoRR, 2025)