Roh, Harald2008-10-222008-10-221982D39725/82http://hdl.handle.net/10399/1792Not currently available online. A paper copy may be available – please contact the Library for help.enAll items in ROS are protected by the Creative Commons copyright license (http://creativecommons.org/licenses/by-nc-nd/2.5/scotland/), with all rights reserved.Spectral analysis of non self-adjoint Co-semigroup generatorsthesis