Sophie

Sophie

distrib > Fedora > 15 > i386 > by-pkgid > 7ebd25ac536d248d499a3ce2acda963a > files > 5564

Macaulay2-1.3.1-8.fc15.i686.rpm

-- -*- M2-comint -*- {* hash: -1939917111 *}

i1 : R = QQ[a,b,c];

i2 : f = pureFree({0,2,3,6}, R)

o2 = | 12a2 0    0    6ab 0   0   6ac   0    0   2b2 0   0   2bc  0    0  
     | 0    12a2 0    0   6ab 0   0     6ac  0   0   2b2 0   0    2bc  0  
     | 0    0    12a2 0   0   6ab 0     0    6ac 0   0   2b2 0    0    2bc
     | 0    0    0    0   6a2 0   -12a2 0    0   0   8ab 0   -8ab 4ac  0  
     | 0    0    0    0   0   6a2 0     -3a2 0   0   0   8ab 0    -2ab 4ac
     | 0    0    0    0   0   0   0     0    0   0   0   2a2 0    -a2  0  
     ------------------------------------------------------------------------
     2c2   0    0   0   0   0    0   0    0   0    0   0   |
     0     2c2  0   0   0   0    0   0    0   0    0   0   |
     0     0    2c2 0   0   0    0   0    0   0    0   0   |
     -16ac 0    0   6b2 0   4bc  0   2c2  0   0    0   0   |
     0     -4ac 0   0   6b2 -b2  4bc -2bc 2c2 0    0   0   |
     2a2   0    0   0   6ab -2ab 2ac -2ac 0   12b2 6bc 2c2 |

             6       27
o2 : Matrix R  <--- R

i3 : betti res coker f

            0  1  2 3
o3 = total: 6 27 24 3
         0: 6  .  . .
         1: . 27 24 .
         2: .  .  . .
         3: .  .  . 3

o3 : BettiTally

i4 : schurRing(s,3)

o4 = schurRing (s, 3)

o4 : SchurRing

i5 : dim s_{2,2}

o5 = 6

i6 : dim s_{4,2}

o6 = 27

i7 : dim s_{4,3}

o7 = 24

i8 : dim s_{4,3,3}

o8 = 3

i9 : schurRank(3, {2,2})

o9 = 6

i10 : schurRank(3, {4,2})

o10 = 27

i11 : schurRank(3, {4,3})

o11 = 24

i12 : schurRank(3, {4,3,3})

o12 = 3

i13 : f1 = pieri({4,2,0},{1,1}, R)

o13 = | 12a2 0    0    6ab 0   0   6ac   0    0   2b2 0   0   2bc  0    0  
      | 0    12a2 0    0   6ab 0   0     6ac  0   0   2b2 0   0    2bc  0  
      | 0    0    12a2 0   0   6ab 0     0    6ac 0   0   2b2 0    0    2bc
      | 0    0    0    0   6a2 0   -12a2 0    0   0   8ab 0   -8ab 4ac  0  
      | 0    0    0    0   0   6a2 0     -3a2 0   0   0   8ab 0    -2ab 4ac
      | 0    0    0    0   0   0   0     0    0   0   0   2a2 0    -a2  0  
      -----------------------------------------------------------------------
      2c2   0    0   0   0   0    0   0    0   0    0   0   |
      0     2c2  0   0   0   0    0   0    0   0    0   0   |
      0     0    2c2 0   0   0    0   0    0   0    0   0   |
      -16ac 0    0   6b2 0   4bc  0   2c2  0   0    0   0   |
      0     -4ac 0   0   6b2 -b2  4bc -2bc 2c2 0    0   0   |
      2a2   0    0   0   6ab -2ab 2ac -2ac 0   12b2 6bc 2c2 |

              6       27
o13 : Matrix R  <--- R

i14 : f2 = pieri({4,3,0},{2}, R)

o14 = | 3b  c   0   0   0     0     0     0     0     0     0     0     0    
      | 0   2b  2c  0   0     0     0     0     0     0     0     0     0    
      | 0   0   b   3c  0     0     0     0     0     0     0     0     0    
      | -6a 0   0   0   3/2b  c     0     0     -3/2c 0     0     0     0    
      | 0   -4a 0   0   0     b     2c    0     0     -c    0     0     0    
      | 0   0   -2a 0   0     0     1/2b  3c    0     0     -1/2c 0     0    
      | 0   -2a 0   0   0     -1/2b 0     0     3b    1/2c  0     0     0    
      | 0   0   -4a 0   0     0     -b    0     0     2b    c     0     0    
      | 0   0   0   -6a 0     0     0     -3/2b 0     0     b     3/2c  0    
      | 0   0   0   0   -9/2a 0     0     0     0     0     0     0     c    
      | 0   0   0   0   0     -3a   0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     -3/2a 0     0     0     0     0     0    
      | 0   0   0   0   0     -3/2a 0     0     -9/2a 0     0     0     -b   
      | 0   0   0   0   0     0     -3a   0     0     -3a   0     0     0    
      | 0   0   0   0   0     0     0     -9/2a 0     0     -3/2a 0     0    
      | 0   0   0   0   0     0     0     0     0     -3/2a 0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     -3a   0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     -9/2a 0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     -4/3a
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      | 0   0   0   0   0     0     0     0     0     0     0     0     0    
      -----------------------------------------------------------------------
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      0   0   0     0     0     0     0     0     0     0   0     |
      2c  0   -c    0     0     0     0     0     0     0   0     |
      0   3c  0     -1/2c 0     0     0     0     0     0   0     |
      0   0   1/2c  0     0     0     0     0     0     0   0     |
      -2b 0   b     c     0     0     0     0     0     0   0     |
      0   -3b 0     1/2b  3/2c  0     0     0     0     0   0     |
      0   0   -1/2b 0     0     0     0     0     0     0   0     |
      0   0   0     -b    0     0     0     0     0     0   0     |
      0   0   0     0     -3/2b 0     0     0     0     0   0     |
      0   0   0     0     0     2c    0     0     0     0   0     |
      -a  0   1/3a  0     0     -1/2b 3c    -1/2c 0     0   0     |
      -2a 0   0     0     0     -3b   0     c     0     0   0     |
      0   -3a 0     -a    0     0     -9/2b 0     3/2c  0   0     |
      0   0   0     -2a   0     0     0     -2b   0     0   0     |
      0   0   0     0     -3a   0     0     0     -3b   0   0     |
      0   0   0     0     0     -1/4a 0     0     0     3c  0     |
      0   0   0     0     0     0     -3/2a 1/6a  0     -6b 3/2c  |
      0   0   0     0     0     0     0     0     -3/2a 0   -9/2b |

              27       24
o14 : Matrix R   <--- R

i15 : f3 = pieri({4,3,3},{3,3,3}, R)

o15 = | 6c3       0         0         |
      | -18bc2    0         0         |
      | 18b2c     0         0         |
      | -6b3      0         0         |
      | 0         6c3       0         |
      | 72/5ac2   -72/5bc2  18/5c3    |
      | -144/5abc 54/5b2c   -36/5bc2  |
      | 72/5ab2   -12/5b3   18/5b2c   |
      | -72/5ac2  -18/5bc2  12/5c3    |
      | 144/5abc  36/5b2c   -54/5bc2  |
      | -72/5ab2  -18/5b3   72/5b2c   |
      | 0         0         -6b3      |
      | 0         27ac2     0         |
      | -108/5a2c -162/5abc 108/5ac2  |
      | -36/5a2b  36/5ab2   -54/5abc  |
      | -432/5a2c -108/5abc 162/5ac2  |
      | 216/5a2b  54/5ab2   -216/5abc |
      | 0         0         18ab2     |
      | 0         18a2c     0         |
      | -24/5a3   -36/5a2b  54/5a2c   |
      | -216/5a3  -54/5a2b  216/5a2c  |
      | 0         0         -18a2b    |
      | 0         3/2a3     0         |
      | 0         0         6a3       |

              24       3
o15 : Matrix R   <--- R

i16 : f1

o16 = | 12a2 0    0    6ab 0   0   6ac   0    0   2b2 0   0   2bc  0    0  
      | 0    12a2 0    0   6ab 0   0     6ac  0   0   2b2 0   0    2bc  0  
      | 0    0    12a2 0   0   6ab 0     0    6ac 0   0   2b2 0    0    2bc
      | 0    0    0    0   6a2 0   -12a2 0    0   0   8ab 0   -8ab 4ac  0  
      | 0    0    0    0   0   6a2 0     -3a2 0   0   0   8ab 0    -2ab 4ac
      | 0    0    0    0   0   0   0     0    0   0   0   2a2 0    -a2  0  
      -----------------------------------------------------------------------
      2c2   0    0   0   0   0    0   0    0   0    0   0   |
      0     2c2  0   0   0   0    0   0    0   0    0   0   |
      0     0    2c2 0   0   0    0   0    0   0    0   0   |
      -16ac 0    0   6b2 0   4bc  0   2c2  0   0    0   0   |
      0     -4ac 0   0   6b2 -b2  4bc -2bc 2c2 0    0   0   |
      2a2   0    0   0   6ab -2ab 2ac -2ac 0   12b2 6bc 2c2 |

              6       27
o16 : Matrix R  <--- R

i17 : f2 = map(source f1,,f2)

o17 = {1} | 3b  c   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   2b  2c  0   0     0     0     0     0     0     0     0    
      {1} | 0   0   b   3c  0     0     0     0     0     0     0     0    
      {1} | -6a 0   0   0   3/2b  c     0     0     -3/2c 0     0     0    
      {1} | 0   -4a 0   0   0     b     2c    0     0     -c    0     0    
      {1} | 0   0   -2a 0   0     0     1/2b  3c    0     0     -1/2c 0    
      {1} | 0   -2a 0   0   0     -1/2b 0     0     3b    1/2c  0     0    
      {1} | 0   0   -4a 0   0     0     -b    0     0     2b    c     0    
      {1} | 0   0   0   -6a 0     0     0     -3/2b 0     0     b     3/2c 
      {1} | 0   0   0   0   -9/2a 0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     -3a   0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     -3/2a 0     0     0     0     0    
      {1} | 0   0   0   0   0     -3/2a 0     0     -9/2a 0     0     0    
      {1} | 0   0   0   0   0     0     -3a   0     0     -3a   0     0    
      {1} | 0   0   0   0   0     0     0     -9/2a 0     0     -3/2a 0    
      {1} | 0   0   0   0   0     0     0     0     0     -3/2a 0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     -3a   0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     -9/2a
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      {1} | 0   0   0   0   0     0     0     0     0     0     0     0    
      -----------------------------------------------------------------------
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      0     0   0   0     0     0     0     0     0     0     0   0     |
      c     0   0   0     0     0     0     0     0     0     0   0     |
      0     2c  0   -c    0     0     0     0     0     0     0   0     |
      0     0   3c  0     -1/2c 0     0     0     0     0     0   0     |
      -b    0   0   1/2c  0     0     0     0     0     0     0   0     |
      0     -2b 0   b     c     0     0     0     0     0     0   0     |
      0     0   -3b 0     1/2b  3/2c  0     0     0     0     0   0     |
      0     0   0   -1/2b 0     0     0     0     0     0     0   0     |
      0     0   0   0     -b    0     0     0     0     0     0   0     |
      0     0   0   0     0     -3/2b 0     0     0     0     0   0     |
      -4/3a 0   0   0     0     0     2c    0     0     0     0   0     |
      0     -a  0   1/3a  0     0     -1/2b 3c    -1/2c 0     0   0     |
      0     -2a 0   0     0     0     -3b   0     c     0     0   0     |
      0     0   -3a 0     -a    0     0     -9/2b 0     3/2c  0   0     |
      0     0   0   0     -2a   0     0     0     -2b   0     0   0     |
      0     0   0   0     0     -3a   0     0     0     -3b   0   0     |
      0     0   0   0     0     0     -1/4a 0     0     0     3c  0     |
      0     0   0   0     0     0     0     -3/2a 1/6a  0     -6b 3/2c  |
      0     0   0   0     0     0     0     0     0     -3/2a 0   -9/2b |

              27       24
o17 : Matrix R   <--- R

i18 : f3 = map(source f2,,f3)

o18 = {2} | 6c3       0         0         |
      {2} | -18bc2    0         0         |
      {2} | 18b2c     0         0         |
      {2} | -6b3      0         0         |
      {2} | 0         6c3       0         |
      {2} | 72/5ac2   -72/5bc2  18/5c3    |
      {2} | -144/5abc 54/5b2c   -36/5bc2  |
      {2} | 72/5ab2   -12/5b3   18/5b2c   |
      {2} | -72/5ac2  -18/5bc2  12/5c3    |
      {2} | 144/5abc  36/5b2c   -54/5bc2  |
      {2} | -72/5ab2  -18/5b3   72/5b2c   |
      {2} | 0         0         -6b3      |
      {2} | 0         27ac2     0         |
      {2} | -108/5a2c -162/5abc 108/5ac2  |
      {2} | -36/5a2b  36/5ab2   -54/5abc  |
      {2} | -432/5a2c -108/5abc 162/5ac2  |
      {2} | 216/5a2b  54/5ab2   -216/5abc |
      {2} | 0         0         18ab2     |
      {2} | 0         18a2c     0         |
      {2} | -24/5a3   -36/5a2b  54/5a2c   |
      {2} | -216/5a3  -54/5a2b  216/5a2c  |
      {2} | 0         0         -18a2b    |
      {2} | 0         3/2a3     0         |
      {2} | 0         0         6a3       |

              24       3
o18 : Matrix R   <--- R

i19 : f1 * f2

o19 = 0

              6       24
o19 : Matrix R  <--- R

i20 : f2 * f3

o20 = 0

              27       3
o20 : Matrix R   <--- R

i21 : ker f1 == image f2

o21 = true

i22 : ker f2 == image f3

o22 = true

i23 : p = 32003

o23 = 32003

i24 : R = ZZ/p[a,b,c];

i25 : f1 = pieri({4,2,0},{1,1},R)

o25 = | a2 ab b2 0  ac  bc 0  0   c2  0  0  0  0  -bc 0  0    -c2  0   0   0 
      | 0  0  0  a2 2ab b2 0  2ac 4bc 0  c2 0  ab 0   0  -2ac -2bc 0   -c2 0 
      | 0  0  0  0  0   0  a2 ab  b2  ac bc c2 0  0   0  0    0    0   0   0 
      | 0  0  0  0  0   0  0  0   0   0  0  0  a2 4ab b2 0    4ac  4bc 0   c2
      | 0  0  0  0  0   0  0  0   0   0  0  0  0  0   0  a2   2ab  0   2ac bc
      | 0  0  0  0  0   0  0  0   0   0  0  0  0  0   0  0    0    -ab 0   0 
      -----------------------------------------------------------------------
      0  0    0    0  0    0  0  |
      0  -2bc 0    0  0    0  0  |
      0  0    0    0  0    0  0  |
      0  -4ac -4bc 0  -2c2 0  0  |
      c2 2ab  b2   0  0    0  0  |
      0  a2   2ab  b2 ac   bc c2 |

              6       27
o25 : Matrix R  <--- R

i26 : betti res coker f1

             0  1  2 3
o26 = total: 6 27 24 3
          0: 6  .  . .
          1: . 27 24 .
          2: .  .  . .
          3: .  .  . 3

o26 : BettiTally

i27 : f2 = pieri({4,3,0},{2},R)

o27 = | -b -c  0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  -2b -2c 0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  0   -b  -c 0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 2a 0   0   0  -b -3c -2c 0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  4a  0   0  0  -2b -2b -4c 0   6c  0   0  0   0   0   0  0   0   0 
      | 0  0   2a  0  0  0   0   -b  -2c b   c   0  0   0   0   0  0   0   0 
      | 0  2a  0   0  0  3b  b   0   0   -c  0   0  0   0   0   0  0   0   0 
      | 0  0   4a  0  0  0   0   2b  0   -6b -2c 0  0   0   0   0  0   0   0 
      | 0  0   0   2a 0  0   0   0   b   0   -2b -c 0   0   0   0  0   0   0 
      | 0  0   0   0  3a 0   0   0   0   0   0   0  -3c 0   0   0  0   0   0 
      | 0  0   0   0  0  6a  6a  0   0   0   0   0  0   -4c -6c 0  0   0   0 
      | 0  0   0   0  0  0   0   3a  0   -3a 0   0  0   0   0   -c c   0   0 
      | 0  0   0   0  0  0   3a  0   0   0   0   0  3b  3c  3c  0  0   0   0 
      | 0  0   0   0  0  0   0   6a  0   0   0   0  0   4b  6b  0  -2c 0   0 
      | 0  0   0   0  0  0   0   0   3a  0   3a  0  0   0   0   b  -b  0   -c
      | 0  0   0   0  0  0   0   0   0   3a  0   0  0   -3b -3b 0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   6a  0  0   0   0   0  2b  0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   3a 0   0   0   0  0   0   b 
      | 0  0   0   0  0  0   0   0   0   0   0   0  4a  0   0   0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   a   2a  0  0   c   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   -2a 0   0  0   -6c 0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   a  2a  3b  0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  4a  12b 0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   2a
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      -----------------------------------------------------------------------
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      -8c 0    0  0  0  |
      2b  -3c  0  0  0  |
      12b 6c   0  0  0  |
      0   0    0  -c 0  |
      0   -12b 0  0  0  |
      0   0    0  2b 0  |
      a   0    -c 0  0  |
      0   a    2b 0  -c |
      0   0    0  a  3b |

              27       24
o27 : Matrix R   <--- R

i28 : f3 = pieri({4,3,3},{3,3,3},R)

o28 = | -5c3   0       0      |
      | 15bc2  0       0      |
      | -15b2c 0       0      |
      | 5b3    0       0      |
      | 0      20c3    0      |
      | -12ac2 -48bc2  3c3    |
      | 24abc  36b2c   -6bc2  |
      | -12ab2 -8b3    3b2c   |
      | 12ac2  -12bc2  2c3    |
      | -24abc 24b2c   -9bc2  |
      | 12ab2  -12b3   12b2c  |
      | 0      0       -5b3   |
      | 0      90ac2   0      |
      | 18a2c  -108abc 18ac2  |
      | 6a2b   24ab2   -9abc  |
      | 72a2c  -72abc  27ac2  |
      | -36a2b 36ab2   -36abc |
      | 0      0       15ab2  |
      | 0      60a2c   0      |
      | 4a3    -24a2b  9a2c   |
      | 36a3   -36a2b  36a2c  |
      | 0      0       -15a2b |
      | 0      5a3     0      |
      | 0      0       5a3    |

              24       3
o28 : Matrix R   <--- R

i29 : f2 = map(source f1,,f2)

o29 = | -b -c  0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  -2b -2c 0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  0   -b  -c 0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 2a 0   0   0  -b -3c -2c 0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  4a  0   0  0  -2b -2b -4c 0   6c  0   0  0   0   0   0  0   0   0 
      | 0  0   2a  0  0  0   0   -b  -2c b   c   0  0   0   0   0  0   0   0 
      | 0  2a  0   0  0  3b  b   0   0   -c  0   0  0   0   0   0  0   0   0 
      | 0  0   4a  0  0  0   0   2b  0   -6b -2c 0  0   0   0   0  0   0   0 
      | 0  0   0   2a 0  0   0   0   b   0   -2b -c 0   0   0   0  0   0   0 
      | 0  0   0   0  3a 0   0   0   0   0   0   0  -3c 0   0   0  0   0   0 
      | 0  0   0   0  0  6a  6a  0   0   0   0   0  0   -4c -6c 0  0   0   0 
      | 0  0   0   0  0  0   0   3a  0   -3a 0   0  0   0   0   -c c   0   0 
      | 0  0   0   0  0  0   3a  0   0   0   0   0  3b  3c  3c  0  0   0   0 
      | 0  0   0   0  0  0   0   6a  0   0   0   0  0   4b  6b  0  -2c 0   0 
      | 0  0   0   0  0  0   0   0   3a  0   3a  0  0   0   0   b  -b  0   -c
      | 0  0   0   0  0  0   0   0   0   3a  0   0  0   -3b -3b 0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   6a  0  0   0   0   0  2b  0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   3a 0   0   0   0  0   0   b 
      | 0  0   0   0  0  0   0   0   0   0   0   0  4a  0   0   0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   a   2a  0  0   c   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   -2a 0   0  0   -6c 0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   a  2a  3b  0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  4a  12b 0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   2a
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      | 0  0   0   0  0  0   0   0   0   0   0   0  0   0   0   0  0   0   0 
      -----------------------------------------------------------------------
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      0   0    0  0  0  |
      -8c 0    0  0  0  |
      2b  -3c  0  0  0  |
      12b 6c   0  0  0  |
      0   0    0  -c 0  |
      0   -12b 0  0  0  |
      0   0    0  2b 0  |
      a   0    -c 0  0  |
      0   a    2b 0  -c |
      0   0    0  a  3b |

              27       24
o29 : Matrix R   <--- R

i30 : f3 = map(source f2,,f3)

o30 = {1} | -5c3   0       0      |
      {1} | 15bc2  0       0      |
      {1} | -15b2c 0       0      |
      {1} | 5b3    0       0      |
      {1} | 0      20c3    0      |
      {1} | -12ac2 -48bc2  3c3    |
      {1} | 24abc  36b2c   -6bc2  |
      {1} | -12ab2 -8b3    3b2c   |
      {1} | 12ac2  -12bc2  2c3    |
      {1} | -24abc 24b2c   -9bc2  |
      {1} | 12ab2  -12b3   12b2c  |
      {1} | 0      0       -5b3   |
      {1} | 0      90ac2   0      |
      {1} | 18a2c  -108abc 18ac2  |
      {1} | 6a2b   24ab2   -9abc  |
      {1} | 72a2c  -72abc  27ac2  |
      {1} | -36a2b 36ab2   -36abc |
      {1} | 0      0       15ab2  |
      {1} | 0      60a2c   0      |
      {1} | 4a3    -24a2b  9a2c   |
      {1} | 36a3   -36a2b  36a2c  |
      {1} | 0      0       -15a2b |
      {1} | 0      5a3     0      |
      {1} | 0      0       5a3    |

              24       3
o30 : Matrix R   <--- R

i31 : f1 * f2

o31 = | -a2b -2ab2+3a2c -b3       -b2c+2ac2 0    -2abc          
      | 2a3  8a2b       2ab2+8a2c 8abc      -a2b -4ab2-3a2c+6ac2
      | 0    2a3        4a2b      2ab2      3a2c 3a2b+6abc      
      | 0    0          0         0         0    0              
      | 0    0          0         0         0    0              
      | 0    0          0         0         0    0              
      -----------------------------------------------------------------------
      -2abc               -6abc-b2c-4ac2 -bc2 b2c+6ac2       -6ac2-bc2       
      3a2b-4ab2-2a2c+6ac2 -b3-4abc       2b2c b3-6a2c        -12abc-7b2c-4ac2
      a2b+6abc            2ab2+3ac2      b3   -6ab2-a2c-3ac2 -2b3-2abc       
      3a3                 24a2b          3ab2 0              3ab2+24a2c      
      0                   0              0    3a3            12a2b           
      0                   0              0    0              0               
      -----------------------------------------------------------------------
      -c3   0         -4b2c          -6b2c           0       0             
      -4bc2 3ab2-4ac2 9abc-4c3       9abc-6c3        -2abc   -4abc-4b2c    
      -b2c  -3ac2     -4bc2          -6bc2           -c3     c3            
      12abc 3a2b      16ab2+3a2c+ac2 24ab2+3a2c+2ac2 b3-4a2c -b3-8a2c-16abc
      0     8a2c      -3a2b+abc-2ac2 -3a2b+2abc      2a2b    4a2b+8ab2     
      -3a2b 0         0              0               a3      2a3+8a2b      
      -----------------------------------------------------------------------
      0                 0    0                0              0       
      -6b2c             0    8c3              0              0       
      0                 0    0                0              0       
      -12abc-48b2c+c3   3b2c -2ac2+2bc2       48b2c-3c3      2c3     
      6ab2+12b3+bc2-6c3 0    2b2c-16ac2+12bc2 -12b3-3bc2+6c3 0       
      3a2b+24ab2        ab2  a2c              -24ab2+abc     2b2c-ac2
      -----------------------------------------------------------------------
      0           0    |
      2bc2        0    |
      0           0    |
      4ac2        0    |
      -2abc       0    |
      2b3-a2c+ac2 2bc2 |

              6       24
o31 : Matrix R  <--- R

i32 : f2 * f3

o32 = | -10bc3                0                          
      | 0                     0                          
      | 10b3c                 0                          
      | -48abc2+26ac3         -72b2c2+124bc3             
      | -60abc2               -40b3c+240b2c2             
      | 12ab3-42ab2c-24ac3    8b4+12b3c+24bc3            
      | 24ab2c+18abc2         36b3c-168b2c2              
      | -24ab3+60ab2c         -16b4-120b3c               
      | -14ab3+12abc2         24b4-12b2c2                
      | 0                     -210ac3                    
      | 108a2bc-144a2c2       72ab2c+144abc2             
      | -36a2b2+36a2bc-72a2c2 -24ab3-36ab2c+72abc2       
      | 90a2bc+54a2c2         180ab2c-54abc2             
      | -36a2b2+144a2bc       96ab3-504ab2c              
      | 72a2b2+72a2bc+36a2c2  -72ab3-72ab2c-60a2c2-36abc2
      | -18a2b2-126a2bc       -72ab3+396ab2c             
      | 0                     0                          
      | 0                     60a2bc                     
      | -32a3c                192a2bc+360a2c2            
      | 20a3b-90a3c           0                          
      | 48a3b+180a3c          -288a2b2                   
      | -72a3b+72a3c          72a2b2-5a3c-72a2bc         
      | -576a3b               576a2b2                    
      | 0                     10a3b+120a3c               
      | 4a4                   -24a3b                     
      | 36a4                  -36a3b                     
      | 0                     5a4                        
      -----------------------------------------------------------------------
      0                      |
      0                      |
      0                      |
      12bc3-9c4              |
      -60bc3                 |
      -3b3c+3b2c2-4c4        |
      -6b2c2+18bc3           |
      6b3c+30b2c2            |
      -19b3c+2bc3            |
      0                      |
      18abc2-54ac3           |
      9ab2c-9abc2-27ac3      |
      -45abc2+54ac3          |
      -36ab2c+144abc2        |
      72ab2c+27abc2+6ac3     |
      27ab2c-81abc2          |
      0                      |
      -15ab3                 |
      -72a2c2                |
      15ab2c-90a2c2          |
      108a2bc-90ab2c+180a2c2 |
      45ab3-72a2bc+27a2c2    |
      180ab3-576a2bc         |
      0                      |
      9a3c+15a2bc            |
      -30a2b2+31a3c          |
      15a3b                  |

              27       3
o32 : Matrix R   <--- R

i33 : ker f1 == image f2

o33 = false

i34 : ker f2 == image f3

o34 = false

i35 :