2015-2018 - joined thesis under the the double supervision of Narcis Avarvari (France) and Vladimir Kokozay (Ukraine) 2019-2020 - postdoctoral fellowship at the ISCR (Rennes, J. Boixel) and IMN (Nantes, R. Dessapt) 2020-2021 - postdoctoral fellowship at Ecole Polytechnique de Paris (Gregory Nocton)