área de pesquisa
- A Pair of Derivations on Prime Rings with Antiautomorphism
- Characterization of prime rings having involution and centralizers
- Derivações de ordem superior em anéis primos e semiprimos.
- Derivações em Anéis Primos e Semiprimos
- Generalized Higher Left Centralizer of Prime --Rings
- On higher derivations and higher homomorphisms of prime rings
- Prime and semiprime rings endowed with some kinds of mappings
- Prof. Dr. Claus Haetinger