Answers are grounded in this paper and cite their sources.
In this work a large new class of extreme points of the set of N-representable 2-matrices is obtained. They correspond to the exact ground state of an operator B(g) which generalizes the BCS Hamiltonian. Further, three hitherto unpublished necessary conditions for N-representability are obtained.
No takes yet. Share an insight, caveat, or question.
Alan Coleman (1972) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: