1. Optimal time-variant systems and factorization of operators, I: Minimal and optimal systems

   • D. Z. Arov
   • M. A. Kaashoek
   • D. R. Pik

   OriginalPaper Pages: 389 - 420

2. An eigenvalue problem for the numerical range of a bounded linear operator

   • Uri Fixman
   • Frank Okoh
   • G. K. R. Rao

   OriginalPaper Pages: 421 - 435

3. Relativistic Kronig-Penney-type Hamiltonians

   • Rhonda J. Hughes

   OriginalPaper Pages: 436 - 448

4. Power series solutions to basic stationary boundary value problems of elasticity

   • Alexander Kozhevnikov
   • Olga Lepsky

   OriginalPaper Pages: 449 - 469

5. Symmetrization of the symbol in Banach algebras generated by idempotents

   • Naum Krupnik

   OriginalPaper Pages: 470 - 481

6. Compact composition operators between weighted Bergman spaces on convex domains in ℂ ⁿ

   • Peter R. Mercer

   OriginalPaper Pages: 482 - 488

7. On semibounded restrictions of self-adjoint operators

   • Hagen Neidhardt
   • Valentin A. Zagrebnov

   OriginalPaper Pages: 489 - 512