10 30
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Visit 10 30's page at the Knot Server (KnotPlot driven, includes 3D interactive images!)
Visit 10 30's page at Knotilus! Visit 10 30's page at the original Knot Atlas! |
10 30 Quick Notes |
Knot presentations
Planar diagram presentation | X1425 X5,12,6,13 X3,11,4,10 X11,3,12,2 X9,18,10,19 X13,20,14,1 X19,14,20,15 X17,6,18,7 X7,16,8,17 X15,8,16,9 |
Gauss code | -1, 4, -3, 1, -2, 8, -9, 10, -5, 3, -4, 2, -6, 7, -10, 9, -8, 5, -7, 6 |
Dowker-Thistlethwaite code | 4 10 12 16 18 2 20 8 6 14 |
Conway Notation | [312112] |
Three dimensional invariants
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Four dimensional invariants
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Polynomial invariants
A1 Invariants.
Weight | Invariant |
---|---|
1 | |
2 | |
3 | |
4 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{172}-2 q^{170}-2 q^{168}+3 q^{166}+3 q^{164}+7 q^{162}-9 q^{160}-16 q^{158}-q^{156}+10 q^{154}+42 q^{152}+q^{150}-47 q^{148}-45 q^{146}-16 q^{144}+102 q^{142}+77 q^{140}-29 q^{138}-121 q^{136}-144 q^{134}+95 q^{132}+196 q^{130}+121 q^{128}-103 q^{126}-321 q^{124}-79 q^{122}+191 q^{120}+333 q^{118}+111 q^{116}-357 q^{114}-321 q^{112}-28 q^{110}+396 q^{108}+392 q^{106}-167 q^{104}-425 q^{102}-318 q^{100}+254 q^{98}+536 q^{96}+95 q^{94}-346 q^{92}-478 q^{90}+51 q^{88}+503 q^{86}+268 q^{84}-204 q^{82}-489 q^{80}-96 q^{78}+381 q^{76}+340 q^{74}-67 q^{72}-415 q^{70}-216 q^{68}+203 q^{66}+374 q^{64}+107 q^{62}-262 q^{60}-339 q^{58}-70 q^{56}+333 q^{54}+326 q^{52}+17 q^{50}-387 q^{48}-389 q^{46}+151 q^{44}+440 q^{42}+332 q^{40}-252 q^{38}-557 q^{36}-108 q^{34}+332 q^{32}+486 q^{30}-20 q^{28}-461 q^{26}-234 q^{24}+107 q^{22}+389 q^{20}+112 q^{18}-237 q^{16}-172 q^{14}-34 q^{12}+197 q^{10}+93 q^8-85 q^6-58 q^4-49 q^2+74+36 q^{-2} -33 q^{-4} -4 q^{-6} -23 q^{-8} +28 q^{-10} +7 q^{-12} -17 q^{-14} +5 q^{-16} -8 q^{-18} +11 q^{-20} +2 q^{-22} -7 q^{-24} +2 q^{-26} -2 q^{-28} +3 q^{-30} -2 q^{-34} + q^{-36} } |
5 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{255}-2 q^{253}-2 q^{251}+3 q^{249}+3 q^{247}+3 q^{245}-9 q^{241}-16 q^{239}-q^{237}+20 q^{235}+28 q^{233}+20 q^{231}-17 q^{229}-61 q^{227}-65 q^{225}+4 q^{223}+92 q^{221}+127 q^{219}+66 q^{217}-91 q^{215}-226 q^{213}-195 q^{211}+34 q^{209}+296 q^{207}+375 q^{205}+152 q^{203}-285 q^{201}-584 q^{199}-444 q^{197}+119 q^{195}+701 q^{193}+812 q^{191}+255 q^{189}-634 q^{187}-1146 q^{185}-792 q^{183}+294 q^{181}+1303 q^{179}+1371 q^{177}+324 q^{175}-1140 q^{173}-1857 q^{171}-1119 q^{169}+647 q^{167}+2054 q^{165}+1908 q^{163}+172 q^{161}-1894 q^{159}-2546 q^{157}-1107 q^{155}+1378 q^{153}+2857 q^{151}+2003 q^{149}-600 q^{147}-2824 q^{145}-2704 q^{143}-239 q^{141}+2484 q^{139}+3086 q^{137}+1007 q^{135}-1951 q^{133}-3184 q^{131}-1577 q^{129}+1389 q^{127}+3023 q^{125}+1907 q^{123}-871 q^{121}-2740 q^{119}-2031 q^{117}+479 q^{115}+2403 q^{113}+2034 q^{111}-181 q^{109}-2103 q^{107}-1977 q^{105}-66 q^{103}+1800 q^{101}+1983 q^{99}+363 q^{97}-1521 q^{95}-1994 q^{93}-757 q^{91}+1098 q^{89}+2049 q^{87}+1302 q^{85}-565 q^{83}-2017 q^{81}-1890 q^{79}-217 q^{77}+1807 q^{75}+2485 q^{73}+1112 q^{71}-1351 q^{69}-2878 q^{67}-2046 q^{65}+624 q^{63}+2962 q^{61}+2865 q^{59}+251 q^{57}-2687 q^{55}-3356 q^{53}-1131 q^{51}+2064 q^{49}+3459 q^{47}+1838 q^{45}-1278 q^{43}-3138 q^{41}-2230 q^{39}+483 q^{37}+2528 q^{35}+2252 q^{33}+155 q^{31}-1779 q^{29}-1989 q^{27}-540 q^{25}+1099 q^{23}+1530 q^{21}+666 q^{19}-532 q^{17}-1058 q^{15}-623 q^{13}+199 q^{11}+641 q^9+465 q^7-9 q^5-340 q^3-311 q-51 q^{-1} +164 q^{-3} +175 q^{-5} +49 q^{-7} -63 q^{-9} -85 q^{-11} -36 q^{-13} +23 q^{-15} +41 q^{-17} +13 q^{-19} -11 q^{-21} -11 q^{-23} -3 q^{-25} +3 q^{-27} +4 q^{-29} +2 q^{-31} -7 q^{-33} -2 q^{-35} +6 q^{-37} + q^{-39} -2 q^{-41} + q^{-43} - q^{-45} -2 q^{-47} +3 q^{-49} -2 q^{-53} + q^{-55} } |
A2 Invariants.
Weight | Invariant |
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1,0 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{28}-q^{26}-q^{24}+2 q^{22}-2 q^{20}+q^{16}-2 q^{14}+q^{12}-q^{10}+2 q^8+2 q^6-q^4+3 q^2-1- q^{-2} + q^{-4} } |
1,1 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{76}-4 q^{74}+12 q^{72}-30 q^{70}+60 q^{68}-106 q^{66}+168 q^{64}-244 q^{62}+324 q^{60}-390 q^{58}+438 q^{56}-448 q^{54}+407 q^{52}-316 q^{50}+178 q^{48}-4 q^{46}-196 q^{44}+398 q^{42}-578 q^{40}+720 q^{38}-811 q^{36}+834 q^{34}-792 q^{32}+686 q^{30}-534 q^{28}+354 q^{26}-166 q^{24}-8 q^{22}+155 q^{20}-268 q^{18}+336 q^{16}-362 q^{14}+366 q^{12}-338 q^{10}+298 q^8-242 q^6+191 q^4-142 q^2+98-62 q^{-2} +38 q^{-4} -20 q^{-6} +10 q^{-8} -4 q^{-10} + q^{-12} } |
2,0 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{72}-q^{70}-2 q^{68}+4 q^{64}+2 q^{62}-7 q^{60}-2 q^{58}+8 q^{56}+5 q^{54}-9 q^{52}-6 q^{50}+11 q^{48}+7 q^{46}-12 q^{44}-8 q^{42}+9 q^{40}+4 q^{38}-8 q^{36}-3 q^{34}+7 q^{32}+q^{30}-3 q^{28}+3 q^{26}-4 q^{24}-7 q^{22}+9 q^{20}+6 q^{18}-10 q^{16}-4 q^{14}+15 q^{12}+7 q^{10}-13 q^8-4 q^6+13 q^4+2 q^2-9- q^{-2} +5 q^{-4} +2 q^{-6} -2 q^{-8} - q^{-10} + q^{-12} } |
A3 Invariants.
Weight | Invariant |
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0,1,0 | |
1,0,0 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{37}-q^{35}-q^{31}+2 q^{29}-2 q^{27}+q^{25}-q^{23}+q^{21}-2 q^{19}-q^{13}+2 q^{11}+q^9+3 q^7-q^5+3 q^3-q- q^{-3} + q^{-5} } |
B2 Invariants.
Weight | Invariant |
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0,1 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{60}-2 q^{58}+5 q^{56}-8 q^{54}+11 q^{52}-15 q^{50}+17 q^{48}-19 q^{46}+18 q^{44}-16 q^{42}+10 q^{40}-3 q^{38}-6 q^{36}+16 q^{34}-24 q^{32}+31 q^{30}-35 q^{28}+37 q^{26}-35 q^{24}+29 q^{22}-21 q^{20}+12 q^{18}-3 q^{16}-5 q^{14}+13 q^{12}-16 q^{10}+19 q^8-17 q^6+17 q^4-13 q^2+10-7 q^{-2} +4 q^{-4} -2 q^{-6} + q^{-8} } |
1,0 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{98}-2 q^{94}-2 q^{92}+3 q^{90}+5 q^{88}-3 q^{86}-9 q^{84}-2 q^{82}+12 q^{80}+9 q^{78}-10 q^{76}-16 q^{74}+3 q^{72}+20 q^{70}+9 q^{68}-16 q^{66}-16 q^{64}+8 q^{62}+20 q^{60}+2 q^{58}-17 q^{56}-8 q^{54}+10 q^{52}+8 q^{50}-9 q^{48}-11 q^{46}+5 q^{44}+10 q^{42}-5 q^{40}-13 q^{38}+2 q^{36}+15 q^{34}+3 q^{32}-14 q^{30}-7 q^{28}+15 q^{26}+14 q^{24}-8 q^{22}-18 q^{20}+q^{18}+19 q^{16}+10 q^{14}-12 q^{12}-15 q^{10}+2 q^8+15 q^6+6 q^4-7 q^2-8+ q^{-2} +6 q^{-4} +2 q^{-6} -2 q^{-8} -2 q^{-10} + q^{-14} } |
G2 Invariants.
Weight | Invariant |
---|---|
1,0 | Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle q^{142}-2 q^{140}+5 q^{138}-9 q^{136}+9 q^{134}-8 q^{132}-2 q^{130}+19 q^{128}-34 q^{126}+46 q^{124}-44 q^{122}+22 q^{120}+15 q^{118}-59 q^{116}+92 q^{114}-96 q^{112}+69 q^{110}-15 q^{108}-49 q^{106}+97 q^{104}-111 q^{102}+89 q^{100}-34 q^{98}-27 q^{96}+70 q^{94}-78 q^{92}+50 q^{90}-49 q^{86}+76 q^{84}-65 q^{82}+16 q^{80}+46 q^{78}-104 q^{76}+131 q^{74}-110 q^{72}+46 q^{70}+34 q^{68}-114 q^{66}+154 q^{64}-147 q^{62}+89 q^{60}-9 q^{58}-66 q^{56}+108 q^{54}-105 q^{52}+64 q^{50}-4 q^{48}-43 q^{46}+60 q^{44}-43 q^{42}+3 q^{40}+48 q^{38}-72 q^{36}+73 q^{34}-39 q^{32}-9 q^{30}+56 q^{28}-87 q^{26}+92 q^{24}-69 q^{22}+33 q^{20}+12 q^{18}-48 q^{16}+66 q^{14}-64 q^{12}+49 q^{10}-24 q^8-q^6+18 q^4-29 q^2+28-19 q^{-2} +12 q^{-4} -2 q^{-6} -3 q^{-8} +5 q^{-10} -6 q^{-12} +4 q^{-14} -2 q^{-16} + q^{-18} } |
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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]:=
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AppendTo[$Path, "C:/drorbn/projects/KAtlas/"];
<< KnotTheory`
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Loading KnotTheory` version of August 31, 2006, 11:25:27.5625.
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In[3]:=
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K = Knot["10 30"];
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In[4]:=
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Alexander[K][t]
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KnotTheory::loading: Loading precomputed data in PD4Knots`.
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Out[4]=
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In[5]:=
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Conway[K][z]
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Out[5]=
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In[6]:=
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Alexander[K, 2][t]
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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.
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Out[6]=
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In[7]:=
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{KnotDet[K], KnotSignature[K]}
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Out[7]=
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{ 67, -2 } |
In[8]:=
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Jones[K][q]
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KnotTheory::loading: Loading precomputed data in Jones4Knots`.
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Out[8]=
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In[9]:=
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HOMFLYPT[K][a, z]
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KnotTheory::credits: The HOMFLYPT program was written by Scott Morrison.
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Out[9]=
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In[10]:=
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Kauffman[K][a, z]
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KnotTheory::loading: Loading precomputed data in Kauffman4Knots`.
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Out[10]=
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Vassiliev invariants
V2 and V3: | (1, -1) |
V2,1 through V6,9: |
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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 Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle t^rq^j} are shown, along with their alternating sums (fixed Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j} , alternation over Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle r} ). The squares with yellow highlighting are those on the "critical diagonals", where Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j-2r=s+1} or Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle j-2r=s+1} , where Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle s=} -2 is the signature of 10 30. Nonzero entries off the critical diagonals (if any exist) are highlighted in red.
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-8 | -7 | -6 | -5 | -4 | -3 | -2 | -1 | 0 | 1 | 2 | χ | |||||||||
3 | 1 | 1 | |||||||||||||||||||
1 | 2 | -2 | |||||||||||||||||||
-1 | 4 | 1 | 3 | ||||||||||||||||||
-3 | 5 | 3 | -2 | ||||||||||||||||||
-5 | 6 | 3 | 3 | ||||||||||||||||||
-7 | 5 | 5 | 0 | ||||||||||||||||||
-9 | 5 | 6 | -1 | ||||||||||||||||||
-11 | 3 | 5 | 2 | ||||||||||||||||||
-13 | 2 | 5 | -3 | ||||||||||||||||||
-15 | 1 | 3 | 2 | ||||||||||||||||||
-17 | 2 | -2 | |||||||||||||||||||
-19 | 1 | 1 |
Computer Talk
Much of the above data can be recomputed by Mathematica using the package KnotTheory`
. See A Sample KnotTheory` Session.
In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 17, 2005, 14:44:34)... | |
In[2]:= | Crossings[Knot[10, 30]] |
Out[2]= | 10 |
In[3]:= | PD[Knot[10, 30]] |
Out[3]= | PD[X[1, 4, 2, 5], X[5, 12, 6, 13], X[3, 11, 4, 10], X[11, 3, 12, 2],X[9, 18, 10, 19], X[13, 20, 14, 1], X[19, 14, 20, 15],X[17, 6, 18, 7], X[7, 16, 8, 17], X[15, 8, 16, 9]] |
In[4]:= | GaussCode[Knot[10, 30]] |
Out[4]= | GaussCode[-1, 4, -3, 1, -2, 8, -9, 10, -5, 3, -4, 2, -6, 7, -10, 9, -8, 5, -7, 6] |
In[5]:= | BR[Knot[10, 30]] |
Out[5]= | BR[5, {-1, -1, -2, 1, -2, -2, -3, 2, -3, 4, -3, 4}] |
In[6]:= | alex = Alexander[Knot[10, 30]][t] |
Out[6]= | 4 17 2 |
In[7]:= | Conway[Knot[10, 30]][z] |
Out[7]= | 2 4 1 + z - 4 z |
In[8]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[8]= | {Knot[10, 30], Knot[11, Alternating, 154]} |
In[9]:= | {KnotDet[Knot[10, 30]], KnotSignature[Knot[10, 30]]} |
Out[9]= | {67, -2} |
In[10]:= | J=Jones[Knot[10, 30]][q] |
Out[10]= | -9 3 5 8 10 11 11 8 6 |
In[11]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[11]= | {Knot[10, 30]} |
In[12]:= | A2Invariant[Knot[10, 30]][q] |
Out[12]= | -28 -26 -24 2 2 -16 2 -12 -10 2 |
In[13]:= | Kauffman[Knot[10, 30]][a, z] |
Out[13]= | 2 4 3 5 7 9 2 2 2 4 2 |
In[14]:= | {Vassiliev[2][Knot[10, 30]], Vassiliev[3][Knot[10, 30]]} |
Out[14]= | {0, -1} |
In[15]:= | Kh[Knot[10, 30]][q, t] |
Out[15]= | 3 4 1 2 1 3 2 5 3 |