Minor-obstructions for apex sub-unicyclic graphs. - Alexandros Leivaditis; Alexandros Singh; Giannos Stamoulis; Dimitrios M. Thilikos; Konstantinos Tsatsanis; Vasiliki Velona (Discret. Appl. Math., 2020)

Minor obstructions for apex-pseudoforests. - Alexandros Leivaditis; Alexandros Singh; Giannos Stamoulis; Dimitrios M. Thilikos; Konstantinos Tsatsanis (Discret. Math., 2021)

Branchwidth is (1,g)-self-dual. - Georgios Kontogeorgiou; Alexandros Leivaditis; Kostas I. Psaromiligkos; Giannos Stamoulis; Dimitris Zoros (Discret. Appl. Math., 2024)