In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 151]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 8, 4, 9], X[12, 6, 13, 5], X[9, 17, 10, 16],
X[17, 1, 18, 20], X[13, 19, 14, 18], X[19, 15, 20, 14],
X[15, 11, 16, 10], X[6, 12, 7, 11], X[7, 2, 8, 3]] |
In[3]:= | GaussCode[Knot[10, 151]] |
Out[3]= | GaussCode[-1, 10, -2, 1, 3, -9, -10, 2, -4, 8, 9, -3, -6, 7, -8, 4, -5,
6, -7, 5] |
In[4]:= | DTCode[Knot[10, 151]] |
Out[4]= | DTCode[4, 8, -12, 2, 16, -6, 18, 10, 20, 14] |
In[5]:= | br = BR[Knot[10, 151]] |
Out[5]= | BR[4, {1, 1, 1, 2, -1, -1, 3, -2, 1, 3, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 11} |
In[7]:= | BraidIndex[Knot[10, 151]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[10, 151]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 151]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Chiral, 2, 3, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 151]][t] |
Out[10]= | -3 4 10 2 3
-13 + t - -- + -- + 10 t - 4 t + t
2 t
t |
In[11]:= | Conway[Knot[10, 151]][z] |
Out[11]= | 2 4 6
1 + 3 z + 2 z + z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 151], Knot[11, NonAlternating, 54],
Knot[11, NonAlternating, 129]} |
In[13]:= | {KnotDet[Knot[10, 151]], KnotSignature[Knot[10, 151]]} |
Out[13]= | {43, 2} |
In[14]:= | Jones[Knot[10, 151]][q] |
Out[14]= | -2 3 2 3 4 5 6
-5 - q + - + 7 q - 7 q + 8 q - 6 q + 4 q - 2 q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 151]} |
In[16]:= | A2Invariant[Knot[10, 151]][q] |
Out[16]= | -6 -4 -2 2 4 6 10 12 14 16 18
-q + q - q + 2 q - q + 3 q + 2 q + q - q + q - 2 q -
20
q |
In[17]:= | HOMFLYPT[Knot[10, 151]][a, z] |
Out[17]= | 2 2 4 4 6
-6 3 2 z 6 z 4 z 4 z z
-1 - a + -- - 2 z - -- + ---- - z - -- + ---- + --
2 4 2 4 2 2
a a a a a a |
In[18]:= | Kauffman[Knot[10, 151]][a, z] |
Out[18]= | 2 2
-6 3 3 z 3 z z 2 z 2 2 z 4 z
-1 + a - -- - --- - --- + -- + --- + a z + 4 z - ---- + ---- +
2 7 5 3 a 6 4
a a a a a a
2 3 3 3 3 4 4
10 z 3 z 5 z z 3 z 3 4 2 z 6 z
----- + ---- + ---- + -- - ---- - 2 a z - 7 z + ---- - ---- -
2 7 5 3 a 6 4
a a a a a a
4 5 5 5 6 6 6 7
15 z 2 z 7 z 4 z 5 6 z 3 z 5 z 2 z
----- - ---- - ---- - ---- + a z + 3 z + -- + ---- + ---- + ---- +
2 5 3 a 6 4 2 5
a a a a a a a
7 7 8 8
5 z 3 z z z
---- + ---- + -- + --
3 a 4 2
a a a |
In[19]:= | {Vassiliev[2][Knot[10, 151]], Vassiliev[3][Knot[10, 151]]} |
Out[19]= | {3, 4} |
In[20]:= | Kh[Knot[10, 151]][q, t] |
Out[20]= | 3 1 2 1 3 2 q 3 5
4 q + 4 q + ----- + ----- + ---- + --- + --- + 4 q t + 3 q t +
5 3 3 2 2 q t t
q t q t q t
5 2 7 2 7 3 9 3 9 4 11 4 13 5
4 q t + 4 q t + 2 q t + 4 q t + 2 q t + 2 q t + 2 q t |
In[21]:= | ColouredJones[Knot[10, 151], 2][q] |
Out[21]= | -7 3 10 12 8 30 2 3 4
-17 + q - -- + -- - -- - -- + -- - 27 q + 49 q - 12 q - 46 q +
6 4 3 2 q
q q q q
5 6 7 8 9 10 11 12
57 q - 2 q - 55 q + 51 q + 6 q - 47 q + 31 q + 10 q -
13 14 15 16 17 18
26 q + 10 q + 6 q - 7 q + q + q |