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KnotilusURL = http://srankin.math.uwo.ca/cgi-bin/retrieve.cgi/-1,4,-3,1,-2,-7,6,3,-4,2,5,-9,8,-6,7,-5,9,-8/goTop.html | |
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braid_table = <table cellspacing=0 cellpadding=0 border=0> |
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<tr><td>[[Image:BraidPart1.gif]][[Image:BraidPart1.gif]][[Image:BraidPart1.gif]][[Image:BraidPart0.gif]][[Image:BraidPart3.gif]][[Image:BraidPart3.gif]][[Image:BraidPart0.gif]][[Image:BraidPart0.gif]]</td></tr> |
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<tr><td>[[Image:BraidPart2.gif]][[Image:BraidPart2.gif]][[Image:BraidPart2.gif]][[Image:BraidPart3.gif]][[Image:BraidPart4.gif]][[Image:BraidPart4.gif]][[Image:BraidPart3.gif]][[Image:BraidPart0.gif]]</td></tr> |
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<tr><td>[[Image:BraidPart0.gif]][[Image:BraidPart0.gif]][[Image:BraidPart0.gif]][[Image:BraidPart4.gif]][[Image:BraidPart1.gif]][[Image:BraidPart0.gif]][[Image:BraidPart4.gif]][[Image:BraidPart1.gif]]</td></tr> |
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{{Rolfsen Knot Page Header|n=9|k=42|KnotilusURL=http://srankin.math.uwo.ca/cgi-bin/retrieve.cgi/-1,4,-3,1,-2,-7,6,3,-4,2,5,-9,8,-6,7,-5,9,-8/goTop.html}} |
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<tr><td>[[Image:BraidPart0.gif]][[Image:BraidPart0.gif]][[Image:BraidPart0.gif]][[Image:BraidPart0.gif]][[Image:BraidPart2.gif]][[Image:BraidPart0.gif]][[Image:BraidPart0.gif]][[Image:BraidPart2.gif]]</td></tr> |
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braid_crossings = 9 | |
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{{:{{PAGENAME}} Further Notes and Views}} |
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braid_index = 4 | |
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same_alexander = | |
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{{3D Invariants}} |
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khovanov_table = <table border=1> |
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{{4D Invariants}} |
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{{Khovanov Homology|table=<table border=1> |
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<tr><td>\</td><td> </td><td>r</td></tr> |
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<td width=9.09091%>-4</td ><td width=9.09091%>-3</td ><td width=9.09091%>-2</td ><td width=9.09091%>-1</td ><td width=9.09091%>0</td ><td width=9.09091%>1</td ><td width=9.09091%>2</td ><td width=18.1818%>χ</td></tr> |
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<tr align=center><td>7</td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td bgcolor=yellow>1</td><td>1</td></tr> |
<tr align=center><td>7</td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td bgcolor=yellow>1</td><td>1</td></tr> |
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<tr align=center><td>5</td><td> </td><td> </td><td> </td><td> </td><td> </td><td bgcolor=yellow> </td><td bgcolor=yellow> </td><td>0</td></tr> |
<tr align=center><td>5</td><td> </td><td> </td><td> </td><td> </td><td> </td><td bgcolor=yellow> </td><td bgcolor=yellow> </td><td>0</td></tr> |
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<tr align=center><td>-7</td><td bgcolor=yellow>1</td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td>1</td></tr> |
<tr align=center><td>-7</td><td bgcolor=yellow>1</td><td> </td><td> </td><td> </td><td> </td><td> </td><td> </td><td>1</td></tr> |
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coloured_jones_2 = <math>q^{10}-q^9-q^8+2 q^7-q^6-q^5+2 q^4-q^3+q-1+ q^{-1} - q^{-3} +2 q^{-4} - q^{-5} - q^{-6} +2 q^{-7} - q^{-8} - q^{-9} + q^{-10} </math> | |
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{{Computer Talk Header}} |
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coloured_jones_3 = <math>q^{19}-2 q^{17}-2 q^{16}+4 q^{15}+2 q^{14}-4 q^{13}-3 q^{12}+5 q^{11}+4 q^{10}-5 q^9-4 q^8+5 q^7+3 q^6-5 q^5-3 q^4+5 q^3+3 q^2-4 q-3+4 q^{-1} +3 q^{-2} -3 q^{-3} -3 q^{-4} +3 q^{-5} +2 q^{-6} -2 q^{-7} -2 q^{-8} +2 q^{-9} + q^{-10} -2 q^{-11} +2 q^{-13} -2 q^{-15} +2 q^{-17} - q^{-19} - q^{-20} + q^{-21} </math> | |
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coloured_jones_4 = <math>q^{32}-q^{31}-q^{29}-q^{28}+3 q^{27}-q^{26}+3 q^{25}-3 q^{24}-4 q^{23}+4 q^{22}-q^{21}+6 q^{20}-3 q^{19}-5 q^{18}+3 q^{17}-3 q^{16}+7 q^{15}-2 q^{14}-5 q^{13}+3 q^{12}-3 q^{11}+6 q^{10}-q^9-4 q^8+2 q^7-3 q^6+5 q^5+q^4-3 q^3+q^2-4 q+4+3 q^{-1} -2 q^{-2} - q^{-3} -5 q^{-4} +3 q^{-5} +5 q^{-6} -2 q^{-8} -6 q^{-9} + q^{-10} +6 q^{-11} +2 q^{-12} -2 q^{-13} -5 q^{-14} - q^{-15} +5 q^{-16} +2 q^{-17} - q^{-18} -3 q^{-19} -2 q^{-20} +4 q^{-21} - q^{-23} - q^{-24} - q^{-25} +4 q^{-26} - q^{-27} - q^{-28} - q^{-29} - q^{-30} +3 q^{-31} - q^{-34} - q^{-35} + q^{-36} </math> | |
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coloured_jones_5 = <math>q^{47}-q^{45}-2 q^{44}-q^{43}+4 q^{41}+5 q^{40}-5 q^{38}-7 q^{37}-3 q^{36}+5 q^{35}+11 q^{34}+5 q^{33}-6 q^{32}-12 q^{31}-7 q^{30}+5 q^{29}+13 q^{28}+8 q^{27}-5 q^{26}-13 q^{25}-8 q^{24}+5 q^{23}+13 q^{22}+8 q^{21}-5 q^{20}-13 q^{19}-8 q^{18}+6 q^{17}+13 q^{16}+7 q^{15}-6 q^{14}-13 q^{13}-7 q^{12}+7 q^{11}+12 q^{10}+6 q^9-6 q^8-11 q^7-6 q^6+6 q^5+10 q^4+5 q^3-4 q^2-9 q-5+4 q^{-1} +7 q^{-2} +4 q^{-3} -2 q^{-4} -6 q^{-5} -4 q^{-6} +3 q^{-7} +4 q^{-8} +2 q^{-9} - q^{-10} -3 q^{-11} - q^{-12} +2 q^{-13} +2 q^{-14} - q^{-15} -3 q^{-16} - q^{-17} +2 q^{-18} +4 q^{-19} +2 q^{-20} -3 q^{-21} -6 q^{-22} -2 q^{-23} +3 q^{-24} +5 q^{-25} +4 q^{-26} -2 q^{-27} -6 q^{-28} -3 q^{-29} + q^{-30} +4 q^{-31} +4 q^{-32} -4 q^{-34} -2 q^{-35} +2 q^{-37} +2 q^{-38} - q^{-39} -2 q^{-40} - q^{-41} + q^{-42} +2 q^{-43} + q^{-44} - q^{-45} - q^{-46} -2 q^{-47} +2 q^{-49} + q^{-50} - q^{-53} - q^{-54} + q^{-55} </math> | |
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coloured_jones_6 = <math>q^{66}-q^{65}-q^{62}-q^{61}-q^{60}+3 q^{59}+q^{58}+4 q^{57}+q^{56}-2 q^{55}-7 q^{54}-6 q^{53}+2 q^{51}+14 q^{50}+7 q^{49}+2 q^{48}-13 q^{47}-14 q^{46}-7 q^{45}-q^{44}+20 q^{43}+13 q^{42}+9 q^{41}-12 q^{40}-16 q^{39}-13 q^{38}-5 q^{37}+20 q^{36}+14 q^{35}+13 q^{34}-11 q^{33}-14 q^{32}-15 q^{31}-7 q^{30}+19 q^{29}+13 q^{28}+14 q^{27}-11 q^{26}-14 q^{25}-15 q^{24}-6 q^{23}+19 q^{22}+13 q^{21}+14 q^{20}-10 q^{19}-14 q^{18}-15 q^{17}-5 q^{16}+17 q^{15}+11 q^{14}+14 q^{13}-8 q^{12}-12 q^{11}-15 q^{10}-5 q^9+13 q^8+9 q^7+16 q^6-5 q^5-9 q^4-16 q^3-6 q^2+8 q+7+18 q^{-1} -5 q^{-3} -17 q^{-4} -8 q^{-5} +2 q^{-6} +4 q^{-7} +19 q^{-8} +5 q^{-9} -16 q^{-11} -8 q^{-12} -4 q^{-13} - q^{-14} +17 q^{-15} +8 q^{-16} +4 q^{-17} -12 q^{-18} -5 q^{-19} -7 q^{-20} -5 q^{-21} +12 q^{-22} +7 q^{-23} +5 q^{-24} -8 q^{-25} -5 q^{-27} -5 q^{-28} +8 q^{-29} +3 q^{-30} + q^{-31} -7 q^{-32} +2 q^{-33} - q^{-34} - q^{-35} +8 q^{-36} +2 q^{-37} -3 q^{-38} -8 q^{-39} - q^{-40} - q^{-41} + q^{-42} +9 q^{-43} +4 q^{-44} -2 q^{-45} -6 q^{-46} -3 q^{-47} -3 q^{-48} - q^{-49} +8 q^{-50} +3 q^{-51} -2 q^{-53} -2 q^{-54} -2 q^{-55} -2 q^{-56} +6 q^{-57} - q^{-59} - q^{-60} - q^{-61} - q^{-62} - q^{-63} +5 q^{-64} - q^{-67} - q^{-68} -2 q^{-69} - q^{-70} +3 q^{-71} + q^{-73} - q^{-76} - q^{-77} + q^{-78} </math> | |
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<td><pre style="color: blue; border: 0px; padding: 0em">In[1]:= </pre></td> |
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coloured_jones_7 = <math>q^{87}-q^{85}-q^{84}-q^{83}-q^{82}+q^{80}+5 q^{79}+4 q^{78}+q^{77}-q^{76}-5 q^{75}-7 q^{74}-9 q^{73}-4 q^{72}+7 q^{71}+15 q^{70}+11 q^{69}+9 q^{68}-q^{67}-15 q^{66}-22 q^{65}-20 q^{64}+q^{63}+18 q^{62}+23 q^{61}+24 q^{60}+8 q^{59}-15 q^{58}-27 q^{57}-30 q^{56}-10 q^{55}+15 q^{54}+25 q^{53}+30 q^{52}+13 q^{51}-12 q^{50}-24 q^{49}-31 q^{48}-13 q^{47}+12 q^{46}+23 q^{45}+29 q^{44}+13 q^{43}-13 q^{42}-22 q^{41}-29 q^{40}-12 q^{39}+13 q^{38}+22 q^{37}+29 q^{36}+12 q^{35}-13 q^{34}-23 q^{33}-29 q^{32}-11 q^{31}+14 q^{30}+23 q^{29}+28 q^{28}+11 q^{27}-14 q^{26}-24 q^{25}-27 q^{24}-9 q^{23}+15 q^{22}+22 q^{21}+25 q^{20}+9 q^{19}-14 q^{18}-22 q^{17}-24 q^{16}-7 q^{15}+13 q^{14}+19 q^{13}+21 q^{12}+8 q^{11}-11 q^{10}-17 q^9-19 q^8-7 q^7+9 q^6+13 q^5+16 q^4+9 q^3-6 q^2-10 q-14-7 q^{-1} +3 q^{-2} +5 q^{-3} +10 q^{-4} +9 q^{-5} -3 q^{-7} -6 q^{-8} -6 q^{-9} -2 q^{-10} -3 q^{-11} + q^{-12} +6 q^{-13} +3 q^{-14} +5 q^{-15} +3 q^{-16} - q^{-17} -2 q^{-18} -8 q^{-19} -9 q^{-20} -2 q^{-21} + q^{-22} +8 q^{-23} +11 q^{-24} +7 q^{-25} +4 q^{-26} -7 q^{-27} -14 q^{-28} -10 q^{-29} -6 q^{-30} +3 q^{-31} +12 q^{-32} +13 q^{-33} +10 q^{-34} -11 q^{-36} -11 q^{-37} -11 q^{-38} -4 q^{-39} +7 q^{-40} +10 q^{-41} +10 q^{-42} +4 q^{-43} -4 q^{-44} -6 q^{-45} -7 q^{-46} -5 q^{-47} +3 q^{-48} +5 q^{-49} +4 q^{-50} + q^{-51} -3 q^{-52} -3 q^{-53} -2 q^{-54} +4 q^{-56} +6 q^{-57} +2 q^{-58} -2 q^{-59} -6 q^{-60} -6 q^{-61} -2 q^{-62} +4 q^{-64} +8 q^{-65} +5 q^{-66} -4 q^{-68} -7 q^{-69} -3 q^{-70} -2 q^{-71} +6 q^{-73} +4 q^{-74} +2 q^{-75} - q^{-76} -4 q^{-77} - q^{-78} - q^{-79} - q^{-80} +4 q^{-81} + q^{-82} -3 q^{-85} - q^{-86} - q^{-87} +4 q^{-89} + q^{-90} + q^{-92} -2 q^{-93} - q^{-94} -2 q^{-95} - q^{-96} +2 q^{-97} + q^{-98} + q^{-100} - q^{-103} - q^{-104} + q^{-105} </math> | |
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<td align=left><pre style="color: red; border: 0px; padding: 0em"><< KnotTheory`</pre></td> |
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computer_talk = |
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<tr valign=top><td colspan=2><pre style="border: 0px; padding: 0em">Loading KnotTheory` (version of August 17, 2005, 14:44:34)...</pre></td></tr> |
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<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>Crossings[Knot[9, 42]]</nowiki></pre></td></tr> |
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<td><pre style="color: blue; border: 0px; padding: 0em">In[1]:= </pre></td> |
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<td align=left><pre style="color: red; border: 0px; padding: 0em"><< KnotTheory`</pre></td> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[3]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>PD[X[1, 4, 2, 5], X[5, 10, 6, 11], X[3, 9, 4, 8], X[9, 3, 10, 2], |
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<tr valign=top><td colspan=2><nowiki>Loading KnotTheory` (version of August 29, 2005, 15:33:11)...</nowiki></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[2]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>PD[Knot[9, 42]]</nowiki></code></td></tr> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[2]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>PD[X[1, 4, 2, 5], X[5, 10, 6, 11], X[3, 9, 4, 8], X[9, 3, 10, 2], |
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X[16, 12, 17, 11], X[14, 7, 15, 8], X[6, 15, 7, 16], |
X[16, 12, 17, 11], X[14, 7, 15, 8], X[6, 15, 7, 16], |
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X[18, 14, 1, 13], X[12, 18, 13, 17]]</nowiki></ |
X[18, 14, 1, 13], X[12, 18, 13, 17]]</nowiki></code></td></tr> |
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</table> |
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<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>GaussCode[Knot[9, 42]]</nowiki></pre></td></tr> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[4]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>GaussCode[-1, 4, -3, 1, -2, -7, 6, 3, -4, 2, 5, -9, 8, -6, 7, -5, 9, -8]</nowiki></pre></td></tr> |
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< |
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[3]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>GaussCode[Knot[9, 42]]</nowiki></code></td></tr> |
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<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>alex = Alexander[Knot[9, 42]][t]</nowiki></pre></td></tr> |
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< |
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[3]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>GaussCode[-1, 4, -3, 1, -2, -7, 6, 3, -4, 2, 5, -9, 8, -6, 7, -5, 9, -8]</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[4]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>DTCode[Knot[9, 42]]</nowiki></code></td></tr> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[4]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>DTCode[4, 8, 10, -14, 2, -16, -18, -6, -12]</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[5]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>br = BR[Knot[9, 42]]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[5]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>BR[4, {1, 1, 1, -2, -1, -1, 3, -2, 3}]</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[6]:=</code></td> |
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<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> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[6]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{4, 9}</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[7]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>BraidIndex[Knot[9, 42]]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[7]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>4</nowiki></code></td></tr> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[8]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Show[DrawMorseLink[Knot[9, 42]]]</nowiki></code></td></tr> |
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<tr align=left><td></td><td>[[Image:9_42_ML.gif]]</td></tr><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[8]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>-Graphics-</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[9]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> (#[Knot[9, 42]]&) /@ { |
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SymmetryType, UnknottingNumber, ThreeGenus, |
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BridgeIndex, SuperBridgeIndex, NakanishiIndex |
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}</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[9]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Reversible, 1, 2, 3, 4, 1}</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[10]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>alex = Alexander[Knot[9, 42]][t]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[10]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -2 2 2 |
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-1 - t + - + 2 t - t |
-1 - t + - + 2 t - t |
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t</nowiki></ |
t</nowiki></code></td></tr> |
||
</table> |
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<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>Conway[Knot[9, 42]][z]</nowiki></pre></td></tr> |
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<table><tr align=left> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[7]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> 2 4 |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[11]:=</code></td> |
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1 - 2 z - z</nowiki></pre></td></tr> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Conway[Knot[9, 42]][z]</nowiki></code></td></tr> |
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<tr align=left> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[8]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{Knot[9, 42]}</nowiki></pre></td></tr> |
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< |
<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[11]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> 2 4 |
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1 - 2 z - z</nowiki></code></td></tr> |
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<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>J=Jones[Knot[9, 42]][q]</nowiki></pre></td></tr> |
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</table> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[10]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> -3 -2 1 2 3 |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[12]:=</code></td> |
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<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> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[12]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Knot[9, 42]}</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[13]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{KnotDet[Knot[9, 42]], KnotSignature[Knot[9, 42]]}</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[13]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{7, 2}</nowiki></code></td></tr> |
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</table> |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[14]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Jones[Knot[9, 42]][q]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[14]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -3 -2 1 2 3 |
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-1 + q - q + - + q - q + q |
-1 + q - q + - + q - q + q |
||
q</nowiki></ |
q</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>Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&]</nowiki></pre></td></tr> |
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<table><tr align=left> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[11]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{Knot[9, 42]}</nowiki></pre></td></tr> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[15]:=</code></td> |
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<math>\textrm{Include}(\textrm{ColouredJonesM.mhtml})</math> |
|||
<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> |
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<tr align=left> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[12]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> -10 -8 -6 -2 2 6 8 10 |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[15]:=</code></td> |
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-1 + q + q + q - q - q + q + q + q</nowiki></pre></td></tr> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Knot[9, 42]}</nowiki></code></td></tr> |
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</table> |
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<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[13]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki> 2 3 |
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<table><tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[16]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>A2Invariant[Knot[9, 42]][q]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[16]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -10 -8 -6 -2 2 6 8 10 |
|||
-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> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>HOMFLYPT[Knot[9, 42]][a, z]</nowiki></code></td></tr> |
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<tr align=left> |
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<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 |
|||
2 2 2 z 2 2 4 |
|||
-3 + -- + 2 a - 4 z + -- + a z - z |
|||
2 2 |
|||
a a</nowiki></code></td></tr> |
|||
</table> |
|||
<table><tr align=left> |
|||
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[18]:=</code></td> |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>Kauffman[Knot[9, 42]][a, z]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[18]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> 2 3 |
|||
2 2 2 z 2 6 z 2 2 6 z 3 |
2 2 2 z 2 6 z 2 2 6 z 3 |
||
-3 - -- - 2 a - --- - 2 a z + 12 z + ---- + 6 a z + ---- + 6 a z - |
-3 - -- - 2 a - --- - 2 a z + 12 z + ---- + 6 a z + ---- + 6 a z - |
||
Line 90: | Line 195: | ||
10 z - ---- - 5 a z - ---- - 5 a z + 2 z + -- + a z + -- + a z |
10 z - ---- - 5 a z - ---- - 5 a z + 2 z + -- + a z + -- + a z |
||
2 a 2 a |
2 a 2 a |
||
a a</nowiki></ |
a a</nowiki></code></td></tr> |
||
</table> |
|||
<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>{Vassiliev[2][Knot[9, 42]], Vassiliev[3][Knot[9, 42]]}</nowiki></pre></td></tr> |
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<table><tr align=left> |
|||
<tr valign=top><td><pre style="color: blue; border: 0px; padding: 0em"><nowiki>Out[14]= </nowiki></pre></td><td><pre style="color: black; border: 0px; padding: 0em"><nowiki>{0, 0}</nowiki></pre></td></tr> |
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< |
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[19]:=</code></td> |
||
<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>{Vassiliev[2][Knot[9, 42]], Vassiliev[3][Knot[9, 42]]}</nowiki></code></td></tr> |
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<tr align=left> |
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<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>{-2, 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[9, 42]][q, t]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[20]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>1 3 1 1 1 1 q 3 7 2 |
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- + q + q + ----- + ----- + ----- + --- + - + q t + q t |
- + q + q + ----- + ----- + ----- + --- + - + q t + q t |
||
q 7 4 3 3 3 2 q t t |
q 7 4 3 3 3 2 q t t |
||
q t q t q t</nowiki></ |
q t q t q t</nowiki></code></td></tr> |
||
</table> |
</table> |
||
<table><tr align=left> |
|||
<td width=70px><code style="color: blue; border: 0px; padding: 0em">In[21]:=</code></td> |
|||
[[Category:Knot Page]] |
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<td><code style="white-space: pre; color: red; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki>ColouredJones[Knot[9, 42], 2][q]</nowiki></code></td></tr> |
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<tr align=left> |
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<td width=70px><code style="color: blue; border: 0px; padding: 0em">Out[21]:=</code></td> |
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<td><code style="white-space: pre; color: black; border: 0px; padding: 0em; background-color: rgb(255,255,255);"><nowiki> -10 -9 -8 2 -6 -5 2 -3 1 3 4 |
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-1 + q - q - q + -- - q - q + -- - q + - + q - q + 2 q - |
|||
7 4 q |
|||
q q |
|||
5 6 7 8 9 10 |
|||
q - q + 2 q - q - q + q</nowiki></code></td></tr> |
|||
</table> }} |
Latest revision as of 17:05, 1 September 2005
|
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(KnotPlot image) |
See the full Rolfsen Knot Table. Visit 9 42's page at the Knot Server (KnotPlot driven, includes 3D interactive images!) |
9_42 is Alexander Stoimenow's favourite knot!
Knot presentations
Planar diagram presentation | X1425 X5,10,6,11 X3948 X9,3,10,2 X16,12,17,11 X14,7,15,8 X6,15,7,16 X18,14,1,13 X12,18,13,17 |
Gauss code | -1, 4, -3, 1, -2, -7, 6, 3, -4, 2, 5, -9, 8, -6, 7, -5, 9, -8 |
Dowker-Thistlethwaite code | 4 8 10 -14 2 -16 -18 -6 -12 |
Conway Notation | [22,3,2-] |
Minimum Braid Representative | A Morse Link Presentation | An Arc Presentation | ||||
Length is 9, width is 4, Braid index is 4 |
[{11, 2}, {1, 9}, {10, 5}, {9, 11}, {8, 4}, {2, 7}, {6, 8}, {7, 10}, {5, 3}, {4, 1}, {3, 6}] |
[edit Notes on presentations of 9 42]
KnotTheory`
. Your input (in red) is realistic; all else should have the same content as in a real mathematica session, but with different formatting.
(The path below may be different on your system, and possibly also the KnotTheory` date)
In[1]:=
|
AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
|
Loading KnotTheory` version of May 31, 2006, 14:15:20.091.
|
In[3]:=
|
K = Knot["9 42"];
|
In[4]:=
|
PD[K]
|
KnotTheory::loading: Loading precomputed data in PD4Knots`.
|
Out[4]=
|
X1425 X5,10,6,11 X3948 X9,3,10,2 X16,12,17,11 X14,7,15,8 X6,15,7,16 X18,14,1,13 X12,18,13,17 |
In[5]:=
|
GaussCode[K]
|
Out[5]=
|
-1, 4, -3, 1, -2, -7, 6, 3, -4, 2, 5, -9, 8, -6, 7, -5, 9, -8 |
In[6]:=
|
DTCode[K]
|
Out[6]=
|
4 8 10 -14 2 -16 -18 -6 -12 |
(The path below may be different on your system)
In[7]:=
|
AppendTo[$Path, "C:/bin/LinKnot/"];
|
In[8]:=
|
ConwayNotation[K]
|
Out[8]=
|
[22,3,2-] |
In[9]:=
|
br = BR[K]
|
KnotTheory::credits: The minimum braids representing the knots with up to 10 crossings were provided by Thomas Gittings. See arXiv:math.GT/0401051.
|
Out[9]=
|
In[10]:=
|
{First[br], Crossings[br], BraidIndex[K]}
|
KnotTheory::credits: The braid index data known to KnotTheory` is taken from Charles Livingston's http://www.indiana.edu/~knotinfo/.
|
KnotTheory::loading: Loading precomputed data in IndianaData`.
|
Out[10]=
|
{ 4, 9, 4 } |
In[11]:=
|
Show[BraidPlot[br]]
|
Out[11]=
|
-Graphics- |
In[12]:=
|
Show[DrawMorseLink[K]]
|
KnotTheory::credits: "MorseLink was added to KnotTheory` by Siddarth Sankaran at the University of Toronto in the summer of 2005."
|
KnotTheory::credits: "DrawMorseLink was written by Siddarth Sankaran at the University of Toronto in the summer of 2005."
|
Out[12]=
|
-Graphics- |
In[13]:=
|
ap = ArcPresentation[K]
|
Out[13]=
|
ArcPresentation[{11, 2}, {1, 9}, {10, 5}, {9, 11}, {8, 4}, {2, 7}, {6, 8}, {7, 10}, {5, 3}, {4, 1}, {3, 6}] |
In[14]:=
|
Draw[ap]
|
Out[14]=
|
-Graphics- |
Three dimensional invariants
|
Four dimensional invariants
|
Polynomial invariants
A1 Invariants.
Weight | Invariant |
---|---|
1 | |
2 | |
3 | |
4 | |
5 |
A2 Invariants.
Weight | Invariant |
---|---|
1,0 | |
1,1 | |
2,0 |
A3 Invariants.
Weight | Invariant |
---|---|
0,1,0 | |
1,0,0 |
A4 Invariants.
Weight | Invariant |
---|---|
0,1,0,0 | |
1,0,0,0 |
B2 Invariants.
Weight | Invariant |
---|---|
0,1 | |
1,0 |
D4 Invariants.
Weight | Invariant |
---|---|
1,0,0,0 |
G2 Invariants.
Weight | Invariant |
---|---|
1,0 |
.
KnotTheory`
, as shown in the (simulated) Mathematica session below. Your input (in red) is realistic; all else should have the same content as in a real mathematica session, but with different formatting. This Mathematica session is also available (albeit only for the knot 5_2) as the notebook PolynomialInvariantsSession.nb.
(The path below may be different on your system, and possibly also the KnotTheory` date)
In[1]:=
|
AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
|
Loading KnotTheory` version of August 31, 2006, 11:25:27.5625.
|
In[3]:=
|
K = Knot["9 42"];
|
In[4]:=
|
Alexander[K][t]
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KnotTheory::loading: Loading precomputed data in PD4Knots`.
|
Out[4]=
|
In[5]:=
|
Conway[K][z]
|
Out[5]=
|
In[6]:=
|
Alexander[K, 2][t]
|
KnotTheory::credits: The program Alexander[K, r] to compute Alexander ideals was written by Jana Archibald at the University of Toronto in the summer of 2005.
|
Out[6]=
|
In[7]:=
|
{KnotDet[K], KnotSignature[K]}
|
Out[7]=
|
{ 7, 2 } |
In[8]:=
|
Jones[K][q]
|
KnotTheory::loading: Loading precomputed data in Jones4Knots`.
|
Out[8]=
|
In[9]:=
|
HOMFLYPT[K][a, z]
|
KnotTheory::credits: The HOMFLYPT program was written by Scott Morrison.
|
Out[9]=
|
In[10]:=
|
Kauffman[K][a, z]
|
KnotTheory::loading: Loading precomputed data in Kauffman4Knots`.
|
Out[10]=
|
"Similar" Knots (within the Atlas)
Same Alexander/Conway Polynomial: {}
Same Jones Polynomial (up to mirroring, ): {}
KnotTheory`
. Your input (in red) is realistic; all else should have the same content as in a real mathematica session, but with different formatting.
(The path below may be different on your system, and possibly also the KnotTheory` date)
In[1]:=
|
AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
|
Loading KnotTheory` version of May 31, 2006, 14:15:20.091.
|
In[3]:=
|
K = Knot["9 42"];
|
In[4]:=
|
{A = Alexander[K][t], J = Jones[K][q]}
|
KnotTheory::loading: Loading precomputed data in PD4Knots`.
|
KnotTheory::loading: Loading precomputed data in Jones4Knots`.
|
Out[4]=
|
{ , } |
In[5]:=
|
DeleteCases[Select[AllKnots[], (A === Alexander[#][t]) &], K]
|
KnotTheory::loading: Loading precomputed data in DTCode4KnotsTo11`.
|
KnotTheory::credits: The GaussCode to PD conversion was written by Siddarth Sankaran at the University of Toronto in the summer of 2005.
|
Out[5]=
|
{} |
In[6]:=
|
DeleteCases[
Select[
AllKnots[],
(J === Jones[#][q] || (J /. q -> 1/q) === Jones[#][q]) &
],
K
]
|
KnotTheory::loading: Loading precomputed data in Jones4Knots11`.
|
Out[6]=
|
{} |
Vassiliev invariants
V2 and V3: | (-2, 0) |
V2,1 through 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 2 is the signature of 9 42. Nonzero entries off the critical diagonals (if any exist) are highlighted in red. |
|
Integral Khovanov Homology
(db, data source) |
|
The Coloured Jones Polynomials
2 | |
3 | |
4 | |
5 | |
6 | |
7 |
Computer Talk
Much of the above data can be recomputed by Mathematica using the package KnotTheory`
. See A Sample KnotTheory` Session, or any of the Computer Talk sections above.
Modifying This Page
Read me first: Modifying Knot Pages
See/edit the Rolfsen Knot Page master template (intermediate). See/edit the Rolfsen_Splice_Base (expert). Back to the top. |
|