NAUTY-ANCESTORG(1) Nauty Manual NAUTY-ANCESTORG(1)
NAME
nauty-ancestorg - removes a specified number of final vertices
SYNOPSIS
ancestorg [-q] [-g#:#|-g#] [infile [outfile]]
DESCRIPTION
The g-th generation ancestor of a graph is the graph obtained by
removing
the final g vertices. The 0-th generation ancestor is the graph
itself. For each input graph, write the ancestors whose genera-
tion is given by the g argument. No zero-sized graphs are writ-
ten. Output is always in graph6 format.
The output file has a header if and only if the input file does.
-g# -g#:#
Specify a generation or range of generations (default: all)
-q Suppress auxiliary information
nauty 2.8.6 January 2023 NAUTY-ANCESTORG(1)
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