Permutational symmetry of reduced densit
✍
Eugene S. Kryachko
📂
Article
📅
1977
🏛
John Wiley and Sons
🌐
English
⚖ 450 KB
## Abstract The problems of permutational symmetry of the density matrices in reduction are studied. Some necessary and sufficient conditions for __N__, [λ~1~], [λ~2~]‐derivability problem are given.