 Search Space Contraction in Canonical Labeling of Graphs by Adolfo Piperno

arXiv:0804.4881, submitted30April2008, version2 dated26January2011. Primary manuscript arxiv.org/pdf/0804.4881 , title-page byline and introduction describe Traces, equitable partitions, individualization and contraction of the search space, followed by algorithmic and experimental comparisons.