Fear Field: Adaptive constraints for safe environment transitions in Shielded Reinforcement Learning. - Haritz Odriozola-Olalde; Nestor Arana-Arexolaleiba; Maider Zamalloa; Jon Pérez-Cerrolaza; Jokin Arozamena-Rodríguez (AISafety/SafeRL@IJCAI, 2023)