Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core Chen Tang, Yi Ling, Qing-Quan Jiang and Guo-Ping Li Eur. Phys. J. C, 84 12 (2024) 1296 Published online: 20 December 2024 DOI: 10.1140/epjc/s10052-024-13699-1