Man page - nauty-genspecialg(1)

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Manual

NAUTY-GENSPECIALG

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
General Options:
Special Options:

NAME

nauty-genspecialg - generate special graphs

SYNOPSIS

genspecialg [ -s|-g|-z|-d|-v ] [ -q ] [ graph options ]... [ outfile ]

DESCRIPTION

Generate special graphs.

OPTIONS

General Options:

-s : Write in sparse6 format (default)

-g : Write in graph6 format

-z : Make digraph versions and write in digraph6 format

-d : Write in dreadnaut format (can be used with -z )

-v : For each graph, report the size to stderr

-q : Suppress summary

Special Options:

If defined, the digraph version is shown in parentheses; # size parameter called n in the descriptions.

-p #

: path (directed path) on n vertices

-c #

: cycle (directed cycle) on n vertices

-e #

: empty graph (digraph with loops only) on n vertices

-k #

: complete graph (with loops) on n vertices

-b

#,#[,#] : complete bipartite graph (directed l->r) on n vertices

minus a matching of given size if present

-m #,#... : multipartite graph

-a #

: antiprism (directed antiprism) on 2n

-l #

: moebius ladder (directed cycle, undirected rungs) with # vertices

-D #,# :

de Bruijn graph (digraph). D(m,t) has order mˆt

-w #

: wheel with # spokes (directed out from hub)

-f #

: flower snark on 4n vertices

-L #

: triangular graph, the linegraph of K_n

-P #,# :

generalized Petersen graph; usual one is -P5 ,2

-Q # -Q #,#

: hypercube on 2ˆn vertices. Q(n,t) has vertices {0,1}ˆn and edges for hamming distance t. t=1 is default.

-A #

: connected antiregular graph on n vertices

-J #,# :

Johnson graph J(n,k), args are n and k

-K #,# -K #,#,# : Generalized Kneser graph. K(n,k,t) is graph of k-subsets

of an n-set whose intersection is t. Default for t is 0.

-C #[,#] : circulant (di)graph; first arg is the number of vertices

-T #[,#] : theta (di)graph Theta(#,#,...), give path lengths

-G #[,#] : (directed) grid, use negative values for open directions

-Y #

: Paley graph or digraph, depending on size. Nondeterministic.

-X # : produce a named graph, # can be an index or a partial name.

Use genspecialg --Xhelp for a list.

Any number of graphs can be generated at once.