This paper presents a state estimation approach for an uncertain linear equation with a non-invertible operator in Hilbert space. The approach addresses linear equations with uncertain deterministic input and noise in the measurements, which belong to a given convex closed bounded set. A new notion of a minimax observable subspace is introduced. By means of… (More)

@article{Zhuk2010MinimaxSE,
title={Minimax state estimation for linear discrete-time differential-algebraic equations},
author={Sergiy M. Zhuk},
journal={Automatica},
year={2010},
volume={46},
pages={1785-1789}
}