Retired professor at the Mathematics Department of the Faculty of Sciences of the University of Lisbon.
Member of the Group of Mathematical Physics.
- Paper "Periodical plane puzzles with numbers" [PDF]
 - Paper "Jogos com poliedros   e permutações"  [PDF]
— published in Boletim da SPM (43), October 2000. - Paper "Sobre os puzzles com poliedros e números"  [PDF]
english version: "On the Puzzles with polyhedra and numbers" [PDF] - Paper "Puzzles with polyhedra and permutation groups" [PDF]
 - Paper "Three puzzles with polyhedra and numbers" [PDF]
 - More puzzles [PDF]:
 - Paper "Polyhedron puzzles and groups" [PDF]
 - Photos of polyhedron puzzles
 - Polyhedra and numbers
 - Home page at ludicum.org
 - Polýedros
 - Paper "The Sturm-Liouville problem and the Polar Representation Theorem"
 - Paper "Period and energy in one degree of freedom systems" [PDF]
 - Ruy Luís Gomes Centenary
 
Scientific interests
- Feynman path integrals
 - Stationary phase method
 - Semi-classical aproximation in quantum mechanics
 - Schrödinger operators
 - Borel summability
 
								

