Zwart, Hans; Jacob, Birgit
Equivalent conditions for stabilizability of infinite-dimensional systems with admissible control operators
SIAM J. Control Optim., 37 (5) :1419--1455
1999

Jacob, Birgit
Linear quadratic optimal control of time-varying systems with indefinite costs on Hilbert spaces
Math. Control Signals Systems, 12 (2) :196--218
1999

Jacob, Birgit
A formula for the stability radius of time-varying systems
J. Differential Equations, 142 (1) :167--187
1998

Jacob, Birgit; Larsen, Mikael; Zwart, Hans
Corrections and extensions of: ``Optimal control of linear systems with almost periodic inputs" [SIAM J. Control Optim. \bf 25 (1987), no. 4, 1007--1019; MR0893995 (88i:93042)] by G. Da Prato and A. Ichikawa
SIAM J. Control Optim., 36 (4) :1473--1480
1998

Jacob, Birgit
Destabilization of infinite-dimensional time-varying systems via dynamical output feedback
, Recent developments in operator theory and its applications (<prt>W</prt>innipeg, <prt>MB</prt>, 1994) Volume 87 from Oper. Theory Adv. Appl.
Page 193--206
Publisher: Birkhäuser, Basel
1996
193--206

Jacob, Birgit; Drăgan, Vasile; Pritchard, Anthony J.
Infinite-dimensional time-varying systems with nonlinear output feedback
Integral Equations Operator Theory, 22 (4) :440--462
1995

Jacob, Birgit
Linear quadratic optimal control of time-varying systems with indefinite costs on Hilbert spaces: the finite horizon problem
J. Math. Systems Estim. Control, 5 (1) :28
1995