Omschrijving
Representations of the algebra of the harmonic oscillator and of the algebra of angular momentum are determined in chapters 1 and 2 respectively. The algebra of angular momentum is enlarged by adding the position operator so that the algebra can be used to describe rigid and non-rigid rotating molecules.
Professor Arno Bohm, Universtiy of Texas, Austin, IX, USAProfessor Piotr Kielanowski, CINEVESTAV, Mexico City, MexicoProfessor G. Bruce Mainland, Ohio State University, Columbus, OH, USA