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labelg

Langue: en

Version: 335696 (ubuntu - 24/10/10)

Section: 1 (Commandes utilisateur)

NAME

labelg - Canonically label a file of graphs.

SYNOPSIS

labelg [-qsg] [-fxxx] [-S] [-i# -I#:# -K#] [infile [outfile]]

DESCRIPTION

Canonically label a file of graphs.
-s
force output to sparse6 format
-g
force output to graph6 format If neither -s or -g are given, the output format is determined by the header or, if there is none, by the format of the first input graph. Also see -S.
-S
Use sparse representation internally.
Note that this changes the canonical labelling. Only sparse6 output is supported in this case. Multiple edges are not supported. One loop per vertex is ok.
The output file will have a header if and only if the input file does.
-fxxx
Specify a partition of the point set. xxx is any
string of ASCII characters except nul.
This string is
considered extended to infinity on the right with the character 'z'. One character is associated with each point, in the order given. The labelling used obeys these rules:
(1) the new order of the points is such that the associated
characters are in ASCII ascending order
(2) if two graphs are labelled using the same string xxx,
the output graphs are identical iff there is an associated-character-preserving isomorphism between them. No option can be concatenated to the right of -f.
-i#
select an invariant (1 = twopaths, 2 = adjtriang(K), 3 = triples,
4 = quadruples, 5 = celltrips, 6 = cellquads, 7 = cellquins, 8 = distances(K), 9 = indsets(K), 10 = cliques(K), 11 = cellcliq(K),
12 = cellind(K), 13 = adjacencies, 14 = cellfano, 15 = cellfano2)
-I#:#
select mininvarlevel and maxinvarlevel (default 1:1)
-K#
select invararg (default 3)
-q
suppress auxiliary information
Les mathématiques ont des inventions très subtiles et qui peuvent
beaucoup servir, tant à contenter les curieux qu'à faciliter tous les
arts et à diminuer le travail des hommes.
-+- René Descartes -+-