As for the family name its the root on which forenames of any origin in this multiethnic society come to graft. The Lusitanian surnames are the acoustic border, which indicates fore where, comes and where starts the Portuguese influence in the area of the Arabutans named Brazil. The ...
Basic quantities for symmetry adaptation are discussed in connection with molecular and solid state physics. This gives rise to a formalism whose central elements are operator equivalents adapted to a point group. Such symmetry adapted operator equivalents are defined in terms of Schwinger operators so...