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Classification: MSC-93B07
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2015

Zwart, H.J. and Le Gorrec, Y. and Maschke, B. (2015) Relating systems properties of the wave and the Schrödinger equation. Evolution Equations and Control Theory, 4 (2). pp. 233-240. ISSN 2163-2480 *** ISI Impact 0,557 ***

2014

Schwenninger, F.L. and Zwart, H.J. (2014) The (weak) admissibility of the H-infinity-calculus for semigroup generators. In: Proceedings of the 21st International Symposium on Mathematical Theory of Networks and Systems, MTNS 2014, 07-11 July 2014, Groningen. pp. 230-232. University of Groningen. ISSN 2311-8903 ISBN 978-90-367-6321-9

2013

Zwart, H.J. (2013) Left-invertible semigroups on Hilbert spaces. Journal of Evolution Equations , 13 (2). pp. 335-342. ISSN 1424-3199 *** ISI Impact 0,731 ***

2011

El Alaoui, F.-Z. and Zwart, H.J. and Boutoulout, A. (2011) Spectral conditions implied by observability. SIAM journal on control and optimization, 49 (2). pp. 672-685. ISSN 0363-0129 *** ISI Impact 1,491 ***

2006

Jacob, B. and Zwart, H.J. (2006) On Approximate Observability of Strongly Stable Systems. (Invited) In: Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems, 24-28 Jul 2006, Kyoto, Japan. pp. 305-308. Kyoto University. ISBN not assigned

2004

Jacob, B. and Zwart, H.J. (2004) Counterexamples concerning observation operators for C0-semigroups SIAM Journal on Control and Optimization, 43 (1). pp. 137-153. ISSN 0363-0129 *** ISI Impact 1,491 ***

2000

Jacob, B. and Zwart, H.J. (2000)
Disproof of two conjectures of George Weiss.
Memorandum 1546, Department of Applied Mathematics, University of Twente, Enschede. ISSN 0169-2690