In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[10, 125]] |
Out[2]= | PD[X[1, 4, 2, 5], X[3, 8, 4, 9], X[5, 14, 6, 15], X[20, 16, 1, 15],
X[16, 10, 17, 9], X[18, 12, 19, 11], X[10, 18, 11, 17],
X[12, 20, 13, 19], X[13, 6, 14, 7], X[7, 2, 8, 3]] |
In[3]:= | GaussCode[Knot[10, 125]] |
Out[3]= | GaussCode[-1, 10, -2, 1, -3, 9, -10, 2, 5, -7, 6, -8, -9, 3, 4, -5, 7,
-6, 8, -4] |
In[4]:= | DTCode[Knot[10, 125]] |
Out[4]= | DTCode[4, 8, 14, 2, -16, -18, 6, -20, -10, -12] |
In[5]:= | br = BR[Knot[10, 125]] |
Out[5]= | BR[3, {1, 1, 1, 1, 1, -2, -1, -1, -1, -2}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {3, 10} |
In[7]:= | BraidIndex[Knot[10, 125]] |
Out[7]= | 3 |
In[8]:= | Show[DrawMorseLink[Knot[10, 125]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[10, 125]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 2, 3, 3, NotAvailable, 1} |
In[10]:= | alex = Alexander[Knot[10, 125]][t] |
Out[10]= | -3 2 2 2 3
-1 + t - -- + - + 2 t - 2 t + t
2 t
t |
In[11]:= | Conway[Knot[10, 125]][z] |
Out[11]= | 2 4 6
1 + 3 z + 4 z + z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[10, 125]} |
In[13]:= | {KnotDet[Knot[10, 125]], KnotSignature[Knot[10, 125]]} |
Out[13]= | {11, 2} |
In[14]:= | Jones[Knot[10, 125]][q] |
Out[14]= | -4 -3 -2 2 2 3 4
-1 - q + q - q + - + 2 q - q + q - q
q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[10, 125]} |
In[16]:= | A2Invariant[Knot[10, 125]][q] |
Out[16]= | -12 -10 -8 -4 2 2 4 8 10 12
3 - q - q - q + q + -- + 2 q + q - q - q - q
2
q |
In[17]:= | HOMFLYPT[Knot[10, 125]][a, z] |
Out[17]= | 2 4
3 2 2 4 z 2 2 4 z 2 4 6
7 - -- - 3 a + 11 z - ---- - 4 a z + 6 z - -- - a z + z
2 2 2
a a a |
In[18]:= | Kauffman[Knot[10, 125]][a, z] |
Out[18]= | 2 2
3 2 z z 6 z 3 2 z 6 z
7 + -- + 3 a + -- - -- - --- - 8 a z - 4 a z - 15 z + -- - ---- -
2 5 3 a 4 2
a a a a a
3 3 4
2 2 z 8 z 3 3 3 4 2 z 2 4
8 a z + -- + ---- + 17 a z + 10 a z + 13 z + ---- + 11 a z -
3 a 2
a a
5 7
5 z 5 3 5 6 2 6 z 7 3 7
---- - 11 a z - 6 a z - 6 z - 6 a z + -- + 2 a z + a z +
a a
8 2 8
z + a z |
In[19]:= | {Vassiliev[2][Knot[10, 125]], Vassiliev[3][Knot[10, 125]]} |
Out[19]= | {3, 0} |
In[20]:= | Kh[Knot[10, 125]][q, t] |
Out[20]= | 3 1 1 1 1 1 q 5 5 2
2 q + q + ----- + ----- + ----- + ----- + ---- + - + q t + q t +
9 5 5 4 5 3 3 2 2 t
q t q t q t q t q t
9 3
q t |
In[21]:= | ColouredJones[Knot[10, 125], 2][q] |
Out[21]= | -13 -12 -11 2 -9 2 2 2 2 -2 2 2
q - q - q + --- - q - -- + -- - -- + -- - q + - + q -
10 8 7 5 4 q
q q q q q
3 4 6 8 9 10 11
q + q - q + q - q - q + q |