Haji Ebrahim Tehrani, M. .; Safarnejad Borujeni, A.; Hashemigohar, M.; Zafari, S. .; Alidadi, H. . A Hybrid Approach Based on a Memory-Instance–Based Gated Transformer (MIGT) Algorithm and Metaheuristic Optimization for Portfolio Management With the Aim of Return Optimization and Risk Control. JRMDE 2026, 1-20.