Interpolation problems of Pick-Nevanlinna and Loewner types for meromorphic matrix functions: Parametrization of the set of all solutions Joseph A. BallJ. William Helton OriginalPaper Pages: 155 - 203
Root functions of boundary eigenvalue operator functions Reinhard MennickenManfred Möller OriginalPaper Pages: 237 - 265
On approximation spectrum of bounded self-adjoint operators Asher Ben-Artzi Short Communications Pages: 266 - 274
Analytic equivalence of the boundary eigenvalue operator function and its characteristic matrix function M. A. Kaashoek Short Communications Pages: 275 - 285