-- -*- M2-comint -*- {* hash: 1283043676 *} i1 : kk = ZZ/101 o1 = kk o1 : QuotientRing i2 : A = kk[a,b] o2 = A o2 : PolynomialRing i3 : B = kk[c,d,e] o3 = B o3 : PolynomialRing i4 : describe(A**B) o4 = kk[a..e, Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2] {0} {1} {GRevLex => {2:1} } {Position => Up } {GRevLex => {3:1} } i5 : describe tensor(A,B,VariableBaseName=>p) o5 = kk[p , p , p , p , p , Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2] 0 1 2 3 4 {0} {1} {GRevLex => {2:1} } {Position => Up } {GRevLex => {3:1} } i6 : describe tensor(A,B,Variables=>{a1,a2,b1,b2,b3}) o6 = kk[a1, a2, b1, b2, b3, Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2] {0} {1} {GRevLex => {2:1} } {Position => Up } {GRevLex => {3:1} } i7 : describe (C = tensor(A,B,DegreeRank=>1,Degrees=>{5:1})) o7 = kk[a..e, Degrees => {5:1}, Heft => {1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 1] {GRevLex => {2:1} } {Position => Up } {GRevLex => {3:1} } i8 : degreeLength C o8 = 1 i9 : degreesRing C o9 = ZZ[T] o9 : PolynomialRing i10 : describe tensor(A,B,MonomialSize=>8) o10 = kk[a..e, Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 8 }, DegreeRank => 2] {0} {1} {MonomialSize => 32} {GRevLex => {2:1} } {Position => Up } {GRevLex => {3:1} } i11 : describe (C = tensor(A,B,MonomialOrder=>Eliminate numgens A)) o11 = kk[a..e, Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2] {0} {1} {Weights => {2:1} } {GRevLex => {5:1} } {Position => Up } i12 : describe (C = tensor(A,B,MonomialOrder=>GRevLex)) o12 = kk[a..e, Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {0} {1} ----------------------------------------------------------------------- {MonomialSize => 32}, DegreeRank => 2] {GRevLex => {5:1} } {Position => Up } i13 : As = kk[a,b,SkewCommutative=>true] o13 = As o13 : PolynomialRing i14 : D = kk[c,d,e,SkewCommutative=>true] o14 = D o14 : PolynomialRing i15 : E = tensor(As,D) o15 = E o15 : PolynomialRing i16 : describe E o16 = kk[a..e, Degrees => {2:{1}, 3:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2, SkewCommutative => {0, 1, 2, 3, 4}] {0} {1} {GRevLex => {2:1} } {Position => Up } {GRevLex => {3:1} } i17 : c*a o17 = -a*c o17 : E i18 : E = kk[x,Dx,WeylAlgebra=>{x=>Dx}] o18 = E o18 : PolynomialRing i19 : tensor(E,E,Variables=>{x,Dx,y,Dy}) o19 = kk[x, Dx, y, Dy] o19 : PolynomialRing i20 : describe oo o20 = kk[x, Dx, y, Dy, Degrees => {2:{1}, 2:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2, WeylAlgebra => {0 => 1, 2 => 3}] {0} {1} {GRevLex => {2:1} } {Position => Up } {GRevLex => {2:1} } i21 : A = ZZ/101[a,b] o21 = A o21 : PolynomialRing i22 : B = A[x,y] o22 = B o22 : PolynomialRing i23 : C = tensor(B,B,Variables=>{x1,y1,x2,y2}) o23 = C o23 : PolynomialRing i24 : describe C o24 = A[x1, y1, x2, y2, Degrees => {2:{1}, 2:{0}}, Heft => {2:1}, MonomialOrder => {MonomialSize => 32}, DegreeRank => 2] {0} {1} {GRevLex => {2:1} } {Position => Up } {GRevLex => {2:1} } i25 : C.FlatMonoid o25 = [x1, y1, x2, y2, a..b, Degrees => {2:{1}, 2:{0}, 2:{0}}, Heft => {3:1}, MonomialOrder => {MonomialSize => 32 }, DegreeRank => 3] {0} {1} {0} {GRevLex => {2:1} } {0} {0} {1} {Position => Up } {2:(GRevLex => {1, 1})} o25 : GeneralOrderedMonoid i26 :