Optimal control in environmental systems and stability analysis D. T. Muhamediyeva, N. S. Mamatov, M. H. Raupova, Umirzok Kholiyorov and Maksud Yakhyaev E3S Web Conf., 623 (2025) 01030 Published online: 08 April 2025 DOI: 10.1051/e3sconf/202562301030