Agradecimentos: One of us (ECO) is grateful to Professor G. Arcidiacono for giving inspiration for the study of the present theme and to Professor W. A. Rodrigues Jr for many discussions about it and for carefully reading the manuscript. I am also grateful to CNPq for a research grant

Abstract: We obtain the Casimir operators associated to the Fantappié-de Sitter Group (isomorphic to the 5 dimensional pseudo-rotation group) which is the group of motions admited by the de Sitter cosmological spacetime, using the generalized derivative operators

CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO - CNPQ

Aberto