UnderlyingGraph( gamma )
This function returns the underlying graph delta of gamma. The graph
delta has the same vertex set as gamma, and has an edge [x,y]
precisely when gamma has an edge [x,y] or an edge [y,x]. This
function also sets the isSimple
components of gamma and delta.
gap> gamma := EdgeOrbitsGraph( Group((1,2,3,4)), [1,2] ); rec( isGraph := true, order := 4, group := Group( (1,2,3,4) ), schreierVector := [ -1, 1, 1, 1 ], adjacencies := [ [ 2 ] ], representatives := [ 1 ], isSimple := false ) gap> UnderlyingGraph(gamma); rec( isGraph := true, order := 4, group := Group( (1,2,3,4) ), schreierVector := [ -1, 1, 1, 1 ], adjacencies := [ [ 2, 4 ] ], representatives := [ 1 ], isSimple := true )
GAP 3.4.4