Chris Guiver and Mark R. Opmeer.
A counter-example to ''Positive realness preserving model reduction with H-infinity norm error bounds''.
IEEE Transactions on Circuits and Systems I Regular Papers, vol.58 (2011), no.6, pp 1410-1411.
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    journal article
Chris Guiver and Mark R. Opmeer.
Non-dissipative boundary feedback for Rayleigh and Timoshenko beams. Systems and Control Letters, Volume 59, Issue 9, September 2010, Pages 578-586
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    journal article
Publications in conference proceedings:
Chris Guiver and Mark R. Opmeer.
Non-dissipative boundary feedback for beams. Proceedings of the MTNS 2010, 4 pages. download