YES(?,O(n^2))
TRS:
 {
      *(x, 0()) -> 0(),
      *(1(), y) -> y,
  *(*(x, y), z) -> *(x, *(y, z)),
      *(i x, x) -> 1()
 }
 DUP: We consider a non-duplicating system.
  Trs:
   {
        *(x, 0()) -> 0(),
        *(1(), y) -> y,
    *(*(x, y), z) -> *(x, *(y, z)),
        *(i x, x) -> 1()
   }
  Matrix Interpretation:
   Interpretation class: triangular
         [0]
   [0] = [0]
   
       [X1]    [1 0][X1]   [3]
   [i]([X0]) = [0 0][X0] + [1]
   
       [X3]  [X1]    [1 3][X3]   [1 0][X1]   [1]
   [*]([X2], [X0]) = [0 1][X2] + [0 1][X0] + [1]
   
         [0]
   [1] = [2]
   
   
   Qed