-- -*- M2-comint -*- hash: 15594049372022535904

i1 : G = mixedGraph(digraph {{b,{c,d}},{c,{d}}},bigraph {{a,d}})

o1 = MixedGraph{Bigraph => Bigraph{a => {d}}   }
                                   d => {a}
                Digraph => Digraph{b => {c, d}}
                                   c => {d}
                                   d => {}
                Graph => Graph{}

o1 : MixedGraph

i2 : R = gaussianRing (G,pVariableName => psi)

o2 = R

o2 : PolynomialRing

i3 : gens R

o3 = {l   , l   , l   , psi   , psi   , psi   , psi   , psi   , s   , s   ,
       b,c   b,d   c,d     a,a     b,b     c,c     d,d     a,d   a,a   a,b 
     ------------------------------------------------------------------------
     s   , s   , s   , s   , s   , s   , s   , s   }
      a,c   a,d   b,b   b,c   b,d   c,c   c,d   d,d

o3 : List

i4 : 
