Exploration of Dynamic Portfolio Optimization Strategies under Credit Risk Using Multi-Agent Reinforcement Learning Paradigms. ISCSITR- INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND ENGINEERING (ISCSITR-IJCSE) - ISSN: 3067-7394, [S. l.], v. 4, n. 2, p. 1–17, 2023. DOI: 10.63397/ISCSITR-IJCSE_04_02_001. Disponível em: https://iscsitr.in/index.php/ISCSITR-IJCSE/article/view/ISCSITR-IJCSE_04_02_001.. Acesso em: 5 feb. 2026.