1. Worst-case design in the time domain: The maximum principle and the standardH _∞ problem

   • Gilead Tadmor

   OriginalPaper Pages: 301 - 324

2. Rational approximation of a class of infinite-dimensional systems I: Singular values of hankel operators

   • K. Glover
   • J. Lam
   • J. R. Partington

   OriginalPaper Pages: 325 - 344

3. Guardian maps and the generalized stability of parametrized families of matrices and polynomials

   • Lahcen Saydy
   • André L. Tits
   • Eyad H. Abed

   OriginalPaper Pages: 345 - 371

4. On periodic solutions of adaptive systems in the presence of periodic forcing terms

   • J. -B. Pomet
   • J. -M. Coron
   • L. Praly

   OriginalPaper Pages: 373 - 399