A. E. Frazho

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28 citations · 30 across the 4 of their papers we have counts for

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4 papers · 1 filter

math.FA2023

Wiener-Hopf indices of unimodular functions on the unit circle, revisited

A. E. Frazho, M. A. Kaashoek, A. C. M. Ran +1

Inspired by the paper of Groenewald, Kaashoek and Ran (Wiener-Hopf indices of unitary functions on the unit circle in terms of realizations and related results on Toeplitz operator…

math.FA2014

State space formulas for a suboptimal rational Leech problem II: Parametrization of all solutions

A. E. Frazho, S. ter Horst, M. A. Kaashoek

For the strictly positive case (the suboptimal case), given stable rational matrix functions $G$ and $K$ , the set of all $H^{\infty}$ solutions $X$ to the Leech problem associated wi…

math.FA2014

State space formulas for a suboptimal rational Leech problem I: Maximum entropy solution

A. E. Frazho, S. ter Horst, M. A. Kaashoek

For the strictly positive case (the suboptimal case) the maximum entropy solution $X$ to the Leech problem $G (z) X (z) = K (z)$ and $∥ X ∥_{\infty} = sup_{∣ z ∣ \leq 1} ∥ X (z) ∥ \leq 1$ , with $…

math.FA2014★ 2 cited

State space formulas for stable rational matrix solutions of a Leech problem

A. E. Frazho, S. ter Horst, M. A. Kaashoek

Given stable rational matrix functions $G$ and $K$ , a procedure is presented to compute a stable rational matrix solution $X$ to the Leech problem associated with $G$ and $K$ , that…