1NAUTY-ANCESTORG(1) Nauty Manual NAUTY-ANCESTORG(1)
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6 nauty-ancestorg - removes a specified number of final vertices
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9 ancestorg [-q] [-g#:#|-g#] [infile [outfile]]
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12 The g-th generation ancestor of a graph is the graph obtained by
13 removing
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15 the final g vertices. The 0-th generation ancestor is the graph
16 itself. For each input graph, write the ancestors whose genera‐
17 tion is given by the g argument. No zero-sized graphs are writ‐
18 ten. Output is always in graph6 format.
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20 The output file has a header if and only if the input file does.
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22 -g# -g#:#
23 Specify a generation or range of generations (default: all)
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25 -q Suppress auxiliary information
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29nauty 2.8.8 November 2023 NAUTY-ANCESTORG(1)