The functional model of a j-unitary node with a given j-inner characteristic matrix function Z. D. Arova OriginalPaper Pages: 1 - 16
Positivity and strict contractivity of functions of operators Leonid GurvitsLeiba Rodman OriginalPaper Pages: 17 - 27
The strongly irreducible operators in nest algebras You Qing JiChun Lan JiangZong Yao Wang OriginalPaper Pages: 28 - 44
Instability of singular critical points of definitizable operators H. LangerB. Najman OriginalPaper Pages: 60 - 71
On the approximation of positive operators and the behaviour of the spectra of the approximants Frank RäbigerManfred P. H. Wolff OriginalPaper Pages: 72 - 86
A remark on complete positivity of elementary operators Li Jiankui Short Communications Pages: 110 - 115