Explicit formulas for Hankel norm approximations of infinite-dimensional systems Ruth F. CurtainA. C. M. Ran OriginalPaper Pages: 455 - 469
Separation of two (possibly unbounded) components of the spectrum of a linear operator Giovanni DoreAlberto Venni OriginalPaper Pages: 470 - 485
On the numerical solution of integral equations with piecewise continuous displacement kernels I. GohbergI. KoltrachtP. Lancaster OriginalPaper Pages: 511 - 538
On inversion of square matrices partitioned into non-square blocks I. GohbergT. Shalom OriginalPaper Pages: 539 - 566
On a class of Hankel operators: Fredholm properties and invertibility F. S. Teixeira OriginalPaper Pages: 592 - 613