At Museo Casa Natal de Cervantes (the author of Don Quixote), Alcala in Spain
1) Theory of Orlicz-type (e.g. Orlicz, Orlicz-Lorentz, Musielak-Orlicz, noncommutative) spaces and its applications.
2) Daugavet property and diameter two properties of Banach spaces.
3) Lineability and spaceability problems on Banach spaces.
Fun fact: My mathgenealogy
Research profile: Google Scholar, Researchgate, MathSciNet