Reduced Density Matrices in Quantum Chemistry is from a special topics course of the author to graduate students at the Ohio State University. The focus of the

An up-to-date account of this cutting-edge research in a consistent and understandable framework, of special interest to experts in other areas of electronic st

The authors demonstrate that the essential information about order in, and energy levels of physical systems is encapsulated in the second order reduced density

Science advances by leaps and bounds rather than linearly in time. I t is not uncommon for a new concept or approach to generate a lot of initial interest, only

Quantum mechanics has been mostly concerned with those states of systems that are represented by state vectors. In many cases, however, the system of interest i