O. V. Iftime

System theoretic properties of a class of spatially invariant systems (2009)

Curtain, R., Iftime, O.V., Zwart, H.J.

In this paper we develop new readily testable criteria for system theoretic properties such as stability, controllability, observability, stabilizability and detectability for a class of spatially...

System theoretic properties of platoon-type systems (2008)

Curtain, R.F., Iftime, O.V., Zwart, H.J.

This paper presents readily checkable criteria for several system theoretic properties (stability, approximate and exact controllability, exponential stabilizability) for a particular class of...

A representation of all solutions of the control algebraic Riccati equation for infinite-dimensional systems (2005)

Iftime, O.V., Zwart, H.J., Curtain, R.F.

A representation of all solutions of the control algebraic Riccati equation for infinite-dimensional systems (2005)

Iftime, O.V., Zwart, H.J., Curtain, R.F.

We obtain a representation of all self-adjoint solutions of the control algebraic Riccati equation associated to the infinite-dimensional state linear system Σ(A,B,C) under the following...

A Grassmanian approach to the Hankel norm approximation problem (2004)

Iftime, O.V., Kaashoek, M. A., Sandberg, H., Sasane, A. J.

Tools for analysis ofDirac structures on Hilbert spaces (2004)

Golo, G., Iftime, O.V., Zwart, H.J.

On interconnections structures in physical systems: a mathematical formulation (2004)

Golo, G., Iftime, O.V.

Equalizing vectors in H_infty-control (2004)

Iftime, O.V., Zwart, H.J.

Equalizing vectors as a "tool" in H-infty-control (2004)

Iftime, O.V., Zwart, H.J.

The standard H-infty-suboptimal control problem for the Wiener algebra (2004)

Iftime, O.V., Zwart, H.J.

Tools for analysis of Dirac structures on Hilbert spaces (2004)

Golo, G., Iftime, O.V., Zwart, H.J., Van Der Schaft, A.J.

In this paper tools for the analysis of Dirac structures on Hilbert spaces are developed. Some properties are pointed out and two natural representations of Dirac structures on Hilbert spaces are...

Algebra and control, natural partners (2003)

Zwart, H.J., Iftime, O.V.

A Grassmanian approach to the Hankel norm approximation problem (2003)

Iftime, O. V., Kaashoek, M. A., Sandberg, H., Sasane, Amol

Sub-optimal Hankel norm approximation for the Wiener class (2002)

Iftime, O.V., Sasane, A.J.

Nehari problems and equalizing vectors for infinite-dimensional systems (2002)

Iftime, O.V., Zwart, H.J.

A J-spectral factorization approach to H-inf control problems (2002)

Iftime, O.V.

A J-spectral factorization approach to H-inf control problems (2002)

Iftime, O.V.

A J-spectral factorization approach to H-inf control problems (2002)

Iftime, O.V.

UMTS network planning - The impact of user mobility (2001)

Gils, S.A. Van, Iftime, O.V., Ploeg, H. Van Der

Nehari problems and equalizing vectors for infinite-dimensional systems (2001)

Iftime, O.V., Zwart, H.J.

J-spectral factorization and equalizing vectors (2001)

Iftime, O.V., Zwart, H.J.

Nehari problems and equalizing vectors for infinite-dimensional systems (2001)

Iftime, O.V., Zwart, H.J.

For a class of infinite-dimensional systems we obtain a simple frequency domain solution for the suboptimal Nehari extension problem. The approach is via $J$-spectral factorization, and it uses the...

The standard H_infinity-suboptimal control problem for LTI infinite dimensional (2000)

Iftime, O.V., Zwart, H.J.

J-spectral factorization and equalizing vectors (2000)

Iftime, O.V., Zwart, H.J.

The standard $H_\infty$-suboptimal control problem for LTI infinite dimensional systems (2000)

Iftime, O.V., Zwart, H.J.

In this paper we provide sufficient conditions for the solvability of the standard $H_{\infty}$-suboptimal control problem for linear, time invariant, infinite-dimensional systems with...

J-spectral factorization and equalizing vectors (2000)

Iftime, O.V., Zwart, H.J.

For the Wiener class of matrix-valued functions we provide necessary and sufficient conditions for the existence of a $J$-spectral factorization. One of these conditions is in terms of equalizing...