Media type: E-Article Title: Editorial Contributor: Swamy, M. N. S. imprint: Springer Science and Business Media LLC, 2012 Published in: Circuits, Systems, and Signal Processing Language: English DOI: 10.1007/s00034-012-9390-5 ISSN: 0278-081X; 1531-5878 Keywords: Applied Mathematics ; Signal Processing Origination: Footnote: