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{{Rolfsen Knot Page|
{{Rolfsen Knot Page|
n = 8 |
n = 8 |
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coloured_jones_5 = <math>q^{60}-q^{59}-q^{56}+2 q^{54}-q^{53}+q^{51}-2 q^{50}-2 q^{49}+3 q^{48}+q^{46}+3 q^{45}-2 q^{44}-5 q^{43}+2 q^{40}+8 q^{39}-5 q^{37}-4 q^{36}-6 q^{35}-q^{34}+10 q^{33}+6 q^{32}+3 q^{31}-2 q^{30}-11 q^{29}-12 q^{28}+2 q^{27}+9 q^{26}+14 q^{25}+10 q^{24}-7 q^{23}-21 q^{22}-16 q^{21}+2 q^{20}+22 q^{19}+26 q^{18}+5 q^{17}-23 q^{16}-35 q^{15}-10 q^{14}+25 q^{13}+38 q^{12}+16 q^{11}-22 q^{10}-45 q^9-19 q^8+24 q^7+44 q^6+22 q^5-22 q^4-47 q^3-22 q^2+22 q+47+22 q^{-1} -22 q^{-2} -47 q^{-3} -22 q^{-4} +22 q^{-5} +44 q^{-6} +24 q^{-7} -19 q^{-8} -45 q^{-9} -22 q^{-10} +16 q^{-11} +38 q^{-12} +25 q^{-13} -10 q^{-14} -35 q^{-15} -23 q^{-16} +5 q^{-17} +26 q^{-18} +22 q^{-19} +2 q^{-20} -16 q^{-21} -21 q^{-22} -7 q^{-23} +10 q^{-24} +14 q^{-25} +9 q^{-26} +2 q^{-27} -12 q^{-28} -11 q^{-29} -2 q^{-30} +3 q^{-31} +6 q^{-32} +10 q^{-33} - q^{-34} -6 q^{-35} -4 q^{-36} -5 q^{-37} +8 q^{-39} +2 q^{-40} -5 q^{-43} -2 q^{-44} +3 q^{-45} + q^{-46} +3 q^{-48} -2 q^{-49} -2 q^{-50} + q^{-51} - q^{-53} +2 q^{-54} - q^{-56} - q^{-59} + q^{-60} </math> |
coloured_jones_5 = <math>q^{60}-q^{59}-q^{56}+2 q^{54}-q^{53}+q^{51}-2 q^{50}-2 q^{49}+3 q^{48}+q^{46}+3 q^{45}-2 q^{44}-5 q^{43}+2 q^{40}+8 q^{39}-5 q^{37}-4 q^{36}-6 q^{35}-q^{34}+10 q^{33}+6 q^{32}+3 q^{31}-2 q^{30}-11 q^{29}-12 q^{28}+2 q^{27}+9 q^{26}+14 q^{25}+10 q^{24}-7 q^{23}-21 q^{22}-16 q^{21}+2 q^{20}+22 q^{19}+26 q^{18}+5 q^{17}-23 q^{16}-35 q^{15}-10 q^{14}+25 q^{13}+38 q^{12}+16 q^{11}-22 q^{10}-45 q^9-19 q^8+24 q^7+44 q^6+22 q^5-22 q^4-47 q^3-22 q^2+22 q+47+22 q^{-1} -22 q^{-2} -47 q^{-3} -22 q^{-4} +22 q^{-5} +44 q^{-6} +24 q^{-7} -19 q^{-8} -45 q^{-9} -22 q^{-10} +16 q^{-11} +38 q^{-12} +25 q^{-13} -10 q^{-14} -35 q^{-15} -23 q^{-16} +5 q^{-17} +26 q^{-18} +22 q^{-19} +2 q^{-20} -16 q^{-21} -21 q^{-22} -7 q^{-23} +10 q^{-24} +14 q^{-25} +9 q^{-26} +2 q^{-27} -12 q^{-28} -11 q^{-29} -2 q^{-30} +3 q^{-31} +6 q^{-32} +10 q^{-33} - q^{-34} -6 q^{-35} -4 q^{-36} -5 q^{-37} +8 q^{-39} +2 q^{-40} -5 q^{-43} -2 q^{-44} +3 q^{-45} + q^{-46} +3 q^{-48} -2 q^{-49} -2 q^{-50} + q^{-51} - q^{-53} +2 q^{-54} - q^{-56} - q^{-59} + q^{-60} </math> |
coloured_jones_6 = <math>q^{84}-q^{83}-q^{80}+3 q^{77}-2 q^{76}+q^{74}-2 q^{73}-q^{72}-q^{71}+6 q^{70}-2 q^{69}+3 q^{67}-4 q^{66}-3 q^{65}-4 q^{64}+9 q^{63}-q^{62}+q^{61}+7 q^{60}-4 q^{59}-7 q^{58}-11 q^{57}+10 q^{56}-2 q^{55}+2 q^{54}+15 q^{53}+2 q^{52}-6 q^{51}-17 q^{50}+7 q^{49}-13 q^{48}-5 q^{47}+20 q^{46}+12 q^{45}+7 q^{44}-11 q^{43}+13 q^{42}-29 q^{41}-25 q^{40}+8 q^{39}+12 q^{38}+21 q^{37}+10 q^{36}+39 q^{35}-32 q^{34}-44 q^{33}-21 q^{32}-8 q^{31}+19 q^{30}+29 q^{29}+82 q^{28}-15 q^{27}-50 q^{26}-50 q^{25}-40 q^{24}+q^{23}+36 q^{22}+124 q^{21}+9 q^{20}-45 q^{19}-68 q^{18}-65 q^{17}-19 q^{16}+34 q^{15}+151 q^{14}+25 q^{13}-38 q^{12}-76 q^{11}-76 q^{10}-31 q^9+31 q^8+163 q^7+29 q^6-34 q^5-78 q^4-78 q^3-34 q^2+29 q+167+29 q^{-1} -34 q^{-2} -78 q^{-3} -78 q^{-4} -34 q^{-5} +29 q^{-6} +163 q^{-7} +31 q^{-8} -31 q^{-9} -76 q^{-10} -76 q^{-11} -38 q^{-12} +25 q^{-13} +151 q^{-14} +34 q^{-15} -19 q^{-16} -65 q^{-17} -68 q^{-18} -45 q^{-19} +9 q^{-20} +124 q^{-21} +36 q^{-22} + q^{-23} -40 q^{-24} -50 q^{-25} -50 q^{-26} -15 q^{-27} +82 q^{-28} +29 q^{-29} +19 q^{-30} -8 q^{-31} -21 q^{-32} -44 q^{-33} -32 q^{-34} +39 q^{-35} +10 q^{-36} +21 q^{-37} +12 q^{-38} +8 q^{-39} -25 q^{-40} -29 q^{-41} +13 q^{-42} -11 q^{-43} +7 q^{-44} +12 q^{-45} +20 q^{-46} -5 q^{-47} -13 q^{-48} +7 q^{-49} -17 q^{-50} -6 q^{-51} +2 q^{-52} +15 q^{-53} +2 q^{-54} -2 q^{-55} +10 q^{-56} -11 q^{-57} -7 q^{-58} -4 q^{-59} +7 q^{-60} + q^{-61} - q^{-62} +9 q^{-63} -4 q^{-64} -3 q^{-65} -4 q^{-66} +3 q^{-67} -2 q^{-69} +6 q^{-70} - q^{-71} - q^{-72} -2 q^{-73} + q^{-74} -2 q^{-76} +3 q^{-77} - q^{-80} - q^{-83} + q^{-84} </math> |
coloured_jones_6 = <math>q^{84}-q^{83}-q^{80}+3 q^{77}-2 q^{76}+q^{74}-2 q^{73}-q^{72}-q^{71}+6 q^{70}-2 q^{69}+3 q^{67}-4 q^{66}-3 q^{65}-4 q^{64}+9 q^{63}-q^{62}+q^{61}+7 q^{60}-4 q^{59}-7 q^{58}-11 q^{57}+10 q^{56}-2 q^{55}+2 q^{54}+15 q^{53}+2 q^{52}-6 q^{51}-17 q^{50}+7 q^{49}-13 q^{48}-5 q^{47}+20 q^{46}+12 q^{45}+7 q^{44}-11 q^{43}+13 q^{42}-29 q^{41}-25 q^{40}+8 q^{39}+12 q^{38}+21 q^{37}+10 q^{36}+39 q^{35}-32 q^{34}-44 q^{33}-21 q^{32}-8 q^{31}+19 q^{30}+29 q^{29}+82 q^{28}-15 q^{27}-50 q^{26}-50 q^{25}-40 q^{24}+q^{23}+36 q^{22}+124 q^{21}+9 q^{20}-45 q^{19}-68 q^{18}-65 q^{17}-19 q^{16}+34 q^{15}+151 q^{14}+25 q^{13}-38 q^{12}-76 q^{11}-76 q^{10}-31 q^9+31 q^8+163 q^7+29 q^6-34 q^5-78 q^4-78 q^3-34 q^2+29 q+167+29 q^{-1} -34 q^{-2} -78 q^{-3} -78 q^{-4} -34 q^{-5} +29 q^{-6} +163 q^{-7} +31 q^{-8} -31 q^{-9} -76 q^{-10} -76 q^{-11} -38 q^{-12} +25 q^{-13} +151 q^{-14} +34 q^{-15} -19 q^{-16} -65 q^{-17} -68 q^{-18} -45 q^{-19} +9 q^{-20} +124 q^{-21} +36 q^{-22} + q^{-23} -40 q^{-24} -50 q^{-25} -50 q^{-26} -15 q^{-27} +82 q^{-28} +29 q^{-29} +19 q^{-30} -8 q^{-31} -21 q^{-32} -44 q^{-33} -32 q^{-34} +39 q^{-35} +10 q^{-36} +21 q^{-37} +12 q^{-38} +8 q^{-39} -25 q^{-40} -29 q^{-41} +13 q^{-42} -11 q^{-43} +7 q^{-44} +12 q^{-45} +20 q^{-46} -5 q^{-47} -13 q^{-48} +7 q^{-49} -17 q^{-50} -6 q^{-51} +2 q^{-52} +15 q^{-53} +2 q^{-54} -2 q^{-55} +10 q^{-56} -11 q^{-57} -7 q^{-58} -4 q^{-59} +7 q^{-60} + q^{-61} - q^{-62} +9 q^{-63} -4 q^{-64} -3 q^{-65} -4 q^{-66} +3 q^{-67} -2 q^{-69} +6 q^{-70} - q^{-71} - q^{-72} -2 q^{-73} + q^{-74} -2 q^{-76} +3 q^{-77} - q^{-80} - q^{-83} + q^{-84} </math> |
coloured_jones_7 = <math>\textrm{NotAvailable}(q)</math> |
coloured_jones_7 = |
computer_talk =
computer_talk =
<table>
<table>
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<td align=left><pre style="color: red; border: 0px; padding: 0em">&lt;&lt; KnotTheory`</pre></td>
<td align=left><pre style="color: red; border: 0px; padding: 0em">&lt;&lt; KnotTheory`</pre></td>
</tr>
</tr>
<tr valign=top><td colspan=2>Loading KnotTheory` (version of August 29, 2005, 15:27:48)...</td></tr>
<tr valign=top><td colspan=2><nowiki>Loading KnotTheory` (version of August 29, 2005, 15:33:11)...</nowiki></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[2]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>PD[Knot[8, 3]]</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[2]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>PD[X[6, 2, 7, 1], X[14, 10, 15, 9], X[10, 5, 11, 6], X[12, 3, 13, 4],
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[2]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>PD[Knot[8, 3]]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[2]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>PD[X[6, 2, 7, 1], X[14, 10, 15, 9], X[10, 5, 11, 6], X[12, 3, 13, 4],
X[4, 11, 5, 12], X[2, 13, 3, 14], X[16, 8, 1, 7], X[8, 16, 9, 15]]</nowiki></pre></td></tr>
X[4, 11, 5, 12], X[2, 13, 3, 14], X[16, 8, 1, 7], X[8, 16, 9, 15]]</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[3]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>GaussCode[Knot[8, 3]]</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[3]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>GaussCode[1, -6, 4, -5, 3, -1, 7, -8, 2, -3, 5, -4, 6, -2, 8, -7]</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[4]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>DTCode[Knot[8, 3]]</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[3]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[4]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>DTCode[6, 12, 10, 16, 14, 4, 2, 8]</nowiki></pre></td></tr>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>GaussCode[Knot[8, 3]]</nowiki></code></td></tr>
<tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[5]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>br = BR[Knot[8, 3]]</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[5]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>BR[5, {-1, -1, -2, 1, 3, -2, 3, 4, -3, 4}]</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[3]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[6]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>{First[br], Crossings[br]}</nowiki></pre></td></tr>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>GaussCode[1, -6, 4, -5, 3, -1, 7, -8, 2, -3, 5, -4, 6, -2, 8, -7]</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[6]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{5, 10}</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[7]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>BraidIndex[Knot[8, 3]]</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[7]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>5</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[4]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[8]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Show[DrawMorseLink[Knot[8, 3]]]</nowiki></pre></td></tr><tr><td></td><td align=left>[[Image:8_3_ML.gif]]</td></tr><tr valign=top><td><tt><font color=blue>Out[8]=</font></tt><td><tt><font color=black>-Graphics-</font></tt></td></tr>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>DTCode[Knot[8, 3]]</nowiki></code></td></tr>
<tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[9]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki> (#[Knot[8, 3]]&) /@ {
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[4]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>DTCode[6, 12, 10, 16, 14, 4, 2, 8]</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[5]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>br = BR[Knot[8, 3]]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[5]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>BR[5, {-1, -1, -2, 1, 3, -2, 3, 4, -3, 4}]</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[6]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{First[br], Crossings[br]}</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[6]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{5, 10}</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[7]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>BraidIndex[Knot[8, 3]]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[7]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>5</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[8]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Show[DrawMorseLink[Knot[8, 3]]]</nowiki></code></td></tr>
<tr align=left><td></td><td>[[Image:8_3_ML.gif]]</td></tr><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[8]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>-Graphics-</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[9]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> (#[Knot[8, 3]]&) /@ {
SymmetryType, UnknottingNumber, ThreeGenus,
SymmetryType, UnknottingNumber, ThreeGenus,
BridgeIndex, SuperBridgeIndex, NakanishiIndex
BridgeIndex, SuperBridgeIndex, NakanishiIndex
}</nowiki></pre></td></tr>
}</nowiki></code></td></tr>
<tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[9]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{FullyAmphicheiral, 2, 1, 2, {4, 6}, 1}</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[10]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>alex = Alexander[Knot[8, 3]][t]</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[9]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[10]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> 4
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{FullyAmphicheiral, 2, 1, 2, {4, 6}, 1}</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[10]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>alex = Alexander[Knot[8, 3]][t]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[10]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> 4
9 - - - 4 t
9 - - - 4 t
t</nowiki></pre></td></tr>
t</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[11]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Conway[Knot[8, 3]][z]</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[11]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> 2
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[11]:=</code></td>
1 - 4 z</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[12]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Select[AllKnots[], (alex === Alexander[#][t])&]</nowiki></pre></td></tr>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Conway[Knot[8, 3]][z]</nowiki></code></td></tr>
<tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[12]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{Knot[8, 3], Knot[10, 1]}</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[13]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>{KnotDet[Knot[8, 3]], KnotSignature[Knot[8, 3]]}</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[11]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[13]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{17, 0}</nowiki></pre></td></tr>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> 2
1 - 4 z</nowiki></code></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[14]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Jones[Knot[8, 3]][q]</nowiki></pre></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[14]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> -4 -3 2 3 2 3 4
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[12]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Select[AllKnots[], (alex === Alexander[#][t])&]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[12]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Knot[8, 3], Knot[10, 1]}</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[13]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{KnotDet[Knot[8, 3]], KnotSignature[Knot[8, 3]]}</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[13]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{17, 0}</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[14]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Jones[Knot[8, 3]][q]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[14]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -4 -3 2 3 2 3 4
3 + q - q + -- - - - 3 q + 2 q - q + q
3 + q - q + -- - - - 3 q + 2 q - q + q
2 q
2 q
q</nowiki></pre></td></tr>
q</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[15]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&]</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[15]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{Knot[8, 3]}</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[16]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>A2Invariant[Knot[8, 3]][q]</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[15]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[16]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> -14 -12 -8 -4 4 8 12 14
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&]</nowiki></code></td></tr>
<tr align=left>
-1 + q + q + q - q - q + q + q + q</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[17]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>HOMFLYPT[Knot[8, 3]][a, z]</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[15]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[17]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> 2
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Knot[8, 3]}</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[16]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>A2Invariant[Knot[8, 3]][q]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[16]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -14 -12 -8 -4 4 8 12 14
-1 + q + q + q - q - q + q + q + q</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[17]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>HOMFLYPT[Knot[8, 3]][a, z]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[17]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> 2
-4 4 2 z 2 2
-4 4 2 z 2 2
-1 + a + a - 2 z - -- - a z
-1 + a + a - 2 z - -- - a z
2
2
a</nowiki></pre></td></tr>
a</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[18]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Kauffman[Knot[8, 3]][a, z]</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[18]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> 2 2
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[18]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Kauffman[Knot[8, 3]][a, z]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[18]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> 2 2
-4 4 4 z 2 3 z z 2 2 4 2
-4 4 4 z 2 3 z z 2 2 4 2
-1 + a + a - --- - 4 a z + 8 z - ---- + -- + a z - 3 a z -
-1 + a + a - --- - 4 a z + 8 z - ---- + -- + a z - 3 a z -
Line 117: Line 203:
-- - ---- - 4 a z + a z + 2 z + -- + a z + -- + a z
-- - ---- - 4 a z + a z + 2 z + -- + a z + -- + a z
3 a 2 a
3 a 2 a
a a</nowiki></pre></td></tr>
a a</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[19]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>{Vassiliev[2][Knot[8, 3]], Vassiliev[3][Knot[8, 3]]}</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[19]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{-4, 0}</nowiki></pre></td></tr>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[20]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>Kh[Knot[8, 3]][q, t]</nowiki></pre></td></tr>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[19]:=</code></td>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[20]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>2 1 1 2 1 2 3 5 2
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Vassiliev[2][Knot[8, 3]], Vassiliev[3][Knot[8, 3]]}</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[19]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{-4, 0}</nowiki></code></td></tr>
</table>
<table><tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[20]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Kh[Knot[8, 3]][q, t]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[20]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>2 1 1 2 1 2 3 5 2
- + 2 q + ----- + ----- + ----- + ---- + --- + 2 q t + q t + 2 q t +
- + 2 q + ----- + ----- + ----- + ---- + --- + 2 q t + q t + 2 q t +
q 9 4 5 3 5 2 3 q t
q 9 4 5 3 5 2 3 q t
Line 127: Line 223:
5 3 9 4
5 3 9 4
q t + q t</nowiki></pre></td></tr>
q t + q t</nowiki></code></td></tr>
</table>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>In[21]:=</nowiki></pre></td><td><pre style="color: red; border: 0px; padding: 0em"><nowiki>ColouredJones[Knot[8, 3], 2][q]</nowiki></pre></td></tr>
<table><tr align=left>
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[21]=&nbsp;&nbsp;</nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> -12 -11 2 3 -7 5 4 3 9 5 5
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[21]:=</code></td>
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>ColouredJones[Knot[8, 3], 2][q]</nowiki></code></td></tr>
<tr align=left>
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[21]:=</code></td>
<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -12 -11 2 3 -7 5 4 3 9 5 5
11 + q - q + -- - -- - q + -- - -- - -- + -- - -- - - - 5 q -
11 + q - q + -- - -- - q + -- - -- - -- + -- - -- - - - 5 q -
9 8 6 5 4 3 2 q
9 8 6 5 4 3 2 q
Line 135: Line 236:
2 3 4 5 6 7 8 9 11 12
2 3 4 5 6 7 8 9 11 12
5 q + 9 q - 3 q - 4 q + 5 q - q - 3 q + 2 q - q + q</nowiki></pre></td></tr>
5 q + 9 q - 3 q - 4 q + 5 q - q - 3 q + 2 q - q + q</nowiki></code></td></tr>
</table> }}
</table> }}

Latest revision as of 18:00, 1 September 2005

8 2.gif

8_2

8 4.gif

8_4

8 3.gif
(KnotPlot image)

See the full Rolfsen Knot Table.

Visit 8 3's page at the Knot Server (KnotPlot driven, includes 3D interactive images!)

Visit 8 3 at Knotilus!


Knot presentations

Planar diagram presentation X6271 X14,10,15,9 X10,5,11,6 X12,3,13,4 X4,11,5,12 X2,13,3,14 X16,8,1,7 X8,16,9,15
Gauss code 1, -6, 4, -5, 3, -1, 7, -8, 2, -3, 5, -4, 6, -2, 8, -7
Dowker-Thistlethwaite code 6 12 10 16 14 4 2 8
Conway Notation [44]


Minimum Braid Representative A Morse Link Presentation An Arc Presentation
BraidPart3.gifBraidPart3.gifBraidPart0.gifBraidPart1.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gif
BraidPart4.gifBraidPart4.gifBraidPart3.gifBraidPart2.gifBraidPart3.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gif
BraidPart0.gifBraidPart0.gifBraidPart4.gifBraidPart1.gifBraidPart4.gifBraidPart1.gifBraidPart0.gifBraidPart3.gifBraidPart0.gif
BraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart2.gifBraidPart0.gifBraidPart2.gifBraidPart1.gifBraidPart4.gifBraidPart1.gif
BraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart2.gifBraidPart0.gifBraidPart2.gif

Length is 10, width is 5,

Braid index is 5

8 3 ML.gif 8 3 AP.gif
[{5, 7}, {8, 6}, {7, 9}, {10, 8}, {9, 4}, {3, 5}, {4, 2}, {1, 3}, {2, 10}, {6, 1}]

[edit Notes on presentations of 8 3]

Knot 8_3.
A graph, knot 8_3.

Three dimensional invariants

Symmetry type Fully amphicheiral
Unknotting number 2
3-genus 1
Bridge index 2
Super bridge index
Nakanishi index 1
Maximal Thurston-Bennequin number [-5][-5]
Hyperbolic Volume 5.23868
A-Polynomial See Data:8 3/A-polynomial

[edit Notes for 8 3's three dimensional invariants]

Four dimensional invariants

Smooth 4 genus
Topological 4 genus
Concordance genus
Rasmussen s-Invariant 0

[edit Notes for 8 3's four dimensional invariants]

Polynomial invariants

Alexander polynomial
Conway polynomial
2nd Alexander ideal (db, data sources)
Determinant and Signature { 17, 0 }
Jones polynomial
HOMFLY-PT polynomial (db, data sources)
Kauffman polynomial (db, data sources)
The A2 invariant
The G2 invariant

"Similar" Knots (within the Atlas)

Same Alexander/Conway Polynomial: {10_1,}

Same Jones Polynomial (up to mirroring, ): {}

Vassiliev invariants

V2 and V3: (-4, 0)
V2,1 through V6,9:
V2,1 V3,1 V4,1 V4,2 V4,3 V5,1 V5,2 V5,3 V5,4 V6,1 V6,2 V6,3 V6,4 V6,5 V6,6 V6,7 V6,8 V6,9

V2,1 through V6,9 were provided by Petr Dunin-Barkowski <barkovs@itep.ru>, Andrey Smirnov <asmirnov@itep.ru>, and Alexei Sleptsov <sleptsov@itep.ru> and uploaded on October 2010 by User:Drorbn. Note that they are normalized differently than V2 and V3.

Khovanov Homology

The coefficients of the monomials are shown, along with their alternating sums (fixed , alternation over ). The squares with yellow highlighting are those on the "critical diagonals", where or , where 0 is the signature of 8 3. Nonzero entries off the critical diagonals (if any exist) are highlighted in red.   
\ r
  \  
j \
-4-3-2-101234χ
9        11
7         0
5      21 1
3     1   -1
1    22   0
-1   22    0
-3   1     -1
-5 12      1
-7         0
-91        1
Integral Khovanov Homology

(db, data source)

  

The Coloured Jones Polynomials