2 papers
physics.chem-ph2003
Restoration of Many Electron Wave Functions from One-Electron Density
A. I. Panin, A. N. Petrov
General theorem describing a relation between diagonal of one-electron density matrix and a certain class of many-electron ensembles of determinant states is proved. As a corollary…
physics.chem-ph2002
(p,q)-Sheaves and the Representability Problem
A. I. Panin
General properties of new models of the electronic Fock spaces based on the notion of (p,q)-sheaves are studied. Interrelation between simple sheaves and density operators is estab…