1. Checking robust nonsingularity is NP-hard

   • Svatopluk Poljak
   • Jiří Rohn

   OriginalPaper Pages: 1 - 9

2. Identification of dynamic systems from noisy data: Single factor case

   • Brian D. O. Erson
   • M. Deistler

   OriginalPaper Pages: 10 - 29

3. Controlability by completions of partial upper triangular matrices

   • Leonid Gurvits
   • Leiba Rodman
   • Tamir Shalom

   OriginalPaper Pages: 30 - 40

4. Invariant control sets on flag manifolds

   • Luiz San Martin

   OriginalPaper Pages: 41 - 61

5. Maximum likelihood estimation for continuous-time autoregressive models by relaxation on residual variances ratio parameters

   • Alain Le Breton
   • Dinh Tuan Pham

   OriginalPaper Pages: 62 - 75

6. Identification of noncontrollable systems from impulse response measurements

   • Christiaan Heij

   OriginalPaper Pages: 76 - 97