36 citations · 45 across the 2 of their papers we have counts for
2 papers
math.FA2005★ 9 cited
All solutions to the relaxed commutant lifting problem
A. E. Frazho, S. ter Horst, M. A. Kaashoek
A new description is given of all solutions to the relaxed commutant lifting problem. The method of proof is also different from earlier ones, and uses only an operator-valued vers…
math.SP2004★ 36 cited
Discrete skew selfadjoint canonical systems and the isotropic Heisenberg magnet model
M. A. Kaashoek, A. L. Sakhnovich
A discrete analog of a skew selfadjoint canonical (Zakharov-Shabat or AKNS) system with a pseudo-exponential potential is introduced. For the corresponding Weyl function the direct…