1. Subfactors associated to compact Kac algebras

   • Teodor Banica

   OriginalPaper Pages: 1 - 14

2. On elliptic operator pencils with general boundary conditions

   • R. Denk
   • R. Mennicken
   • L. Volevich

   OriginalPaper Pages: 15 - 40

3. Periodic points of positive linear operators and Perron-Frobenius operators

   • Roger Nussbaum

   OriginalPaper Pages: 41 - 97

4. Optimal Hankel norm approximation for the Pritchard-Salamon class of infinite-dimensional systems

   • Amol J. Sasane
   • Ruth F. Curtain

   OriginalPaper Pages: 98 - 126