Is there an efficient algorithm to reduce the bandwidth of a directed graph's adjacency matrix? Something like the reverse Cuthill-McKee, but for non-symmetric matrices.
The following article discusses various approaches to reducing the bandwidth of unsymmetric matrices.
J.K. Reid, J. A. Scott: Reducing the total bandwidth of a sparse unsymmetric matrix, SIAM Journal on Matrix Analysis and Applications 28(3):805–821.
The technical report version of the article is available here:
J. K. Reid and J. A. Scott, Reducing the total bandwidth of a sparse unsymmetric matrix, Technical Report RAL-TR-2005-001, STFC Rutherford Appleton Laboratory. http://www.numerical.rl.ac.uk/reports/rsRAL2005001.pdf
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