-- -*- M2-comint -*- hash: 12399547799130691044

i1 : R=QQ[x,y,z,w];

i2 : V0=matrix({{0,1,2,3},{-1,1,2,1}});

              2       4
o2 : Matrix ZZ  <-- ZZ

i3 : intersectionValRings(V0,R)

o3 = MonomialSubalgebra{cache => CacheTable{...1...}               }
                                                                2
                        generators => {w, z, y, x*w, x*z, x*y, x z}
                        ring => R

o3 : MonomialSubalgebra of R

i4 : 
