Symmetric Linearizations for Matrix Polynomials Nicholas J. Higham, D. Steven Mackey, Niloufer Mackey and Fran¸ coise Tisseur January 2006 MIMS EPrint: 2005.25 Manchester Institute for Mathematical Sciences School of Mathematics The University of Manchester Reports available from: http://www.manchester.ac.uk/mims/eprints And by contacting: The MIMS Secretary School of Mathematics The University of Manchester Manchester, M13 9PL, UK ISSN 1749-9097