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VLSI Design
Volume 2011 (2011), Article ID 356137, 9 pages
Research Article

New Considerations for Spectral Classification of Boolean Switching Functions

1Department of Mathematics & Computer Science, University of Lethbridge, 4401 University Drive West, Lethbridge, AB, Canada T1K 3M4
2Department of Computer Science, University of Victoria, P.O. Box 3055 STN CSC, Victoria, BC, Canada V8W 3P6

Received 5 May 2010; Revised 21 October 2010; Accepted 11 January 2011

Academic Editor: Avi Ziv

Copyright © 2011 J. E. Rice et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper presents some new considerations for spectral techniques for classification of Boolean functions. These considerations incorporate discussions of the feasibility of extending this classification technique beyond n=5. A new implementation is presented along with a basic analysis of the complexity of the problem. We also note a correction to results in this area that were reported in previous work.