T(31,2)

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T(29,2)

T(8,5)

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Edit T(31,2) Quick Notes


Edit T(31,2) Further Notes and Views


[edit] Knot presentations

Planar diagram presentation X17,49,18,48 X49,19,50,18 X19,51,20,50 X51,21,52,20 X21,53,22,52 X53,23,54,22 X23,55,24,54 X55,25,56,24 X25,57,26,56 X57,27,58,26 X27,59,28,58 X59,29,60,28 X29,61,30,60 X61,31,62,30 X31,1,32,62 X1,33,2,32 X33,3,34,2 X3,35,4,34 X35,5,36,4 X5,37,6,36 X37,7,38,6 X7,39,8,38 X39,9,40,8 X9,41,10,40 X41,11,42,10 X11,43,12,42 X43,13,44,12 X13,45,14,44 X45,15,46,14 X15,47,16,46 X47,17,48,16
Gauss code -16, 17, -18, 19, -20, 21, -22, 23, -24, 25, -26, 27, -28, 29, -30, 31, -1, 2, -3, 4, -5, 6, -7, 8, -9, 10, -11, 12, -13, 14, -15, 16, -17, 18, -19, 20, -21, 22, -23, 24, -25, 26, -27, 28, -29, 30, -31, 1, -2, 3, -4, 5, -6, 7, -8, 9, -10, 11, -12, 13, -14, 15
Dowker-Thistlethwaite code 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Braid presentation
Image:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gif
Image:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gif

[edit] Polynomial invariants

Alexander polynomial t15t14 + t13t12 + t11t10 + t9t8 + t7t6 + t5t4 + t3t2 + t−1 + t−1t−2 + t−3t−4 + t−5t−6 + t−7t−8 + t−9t−10 + t−11t−12 + t−13t−14 + t−15
Conway polynomial z30 + 29z28 + 378z26 + 2925z24 + 14950z22 + 53130z20 + 134596z18 + 245157z16 + 319770z14 + 293930z12 + 184756z10 + 75582z8 + 18564z6 + 2380z4 + 120z2 + 1
2nd Alexander ideal (db, data sources) {1}
Determinant and Signature { 31, 30 }
Jones polynomial q46 + q45q44 + q43q42 + q41q40 + q39q38 + q37q36 + q35q34 + q33q32 + q31q30 + q29q28 + q27q26 + q25q24 + q23q22 + q21q20 + q19q18 + q17 + q15
HOMFLY-PT polynomial (db, data sources) z30a−30−30z28a−30z28a−32 + 406z26a−30 + 28z26a−32−3276z24a−30−351z24a−32 + 17550z22a−30 + 2600z22a−32−65780z20a−30−12650z20a−32 + 177100z18a−30 + 42504z18a−32−346104z16a−30−100947z16a−32 + 490314z14a−30 + 170544z14a−32−497420z12a−30−203490z12a−32 + 352716z10a−30 + 167960z10a−32−167960z8a−30−92378z8a−32 + 50388z6a−30 + 31824z6a−32−8568z4a−30−6188z4a−32 + 680z2a−30 + 560z2a−32−16a−30−15a−32
Kauffman polynomial (db, data sources) z30a−30 + z30a−32 + z29a−31 + z29a−33−30z28a−30−29z28a−32 + z28a−34−28z27a−31−27z27a−33 + z27a−35 + 406z26a−30 + 379z26a−32−26z26a−34 + z26a−36 + 351z25a−31 + 325z25a−33−25z25a−35 + z25a−37−3276z24a−30−2951z24a−32 + 300z24a−34−24z24a−36 + z24a−38−2600z23a−31−2300z23a−33 + 276z23a−35−23z23a−37 + z23a−39 + 17550z22a−30 + 15250z22a−32−2024z22a−34 + 253z22a−36−22z22a−38 + z22a−40 + 12650z21a−31 + 10626z21a−33−1771z21a−35 + 231z21a−37−21z21a−39 + z21a−41−65780z20a−30−55154z20a−32 + 8855z20a−34−1540z20a−36 + 210z20a−38−20z20a−40 + z20a−42−42504z19a−31−33649z19a−33 + 7315z19a−35−1330z19a−37 + 190z19a−39−19z19a−41 + z19a−43 + 177100z18a−30 + 143451z18a−32−26334z18a−34 + 5985z18a−36−1140z18a−38 + 171z18a−40−18z18a−42 + z18a−44 + 100947z17a−31 + 74613z17a−33−20349z17a−35 + 4845z17a−37−969z17a−39 + 153z17a−41−17z17a−43 + z17a−45−346104z16a−30−271491z16a−32 + 54264z16a−34−15504z16a−36 + 3876z16a−38−816z16a−40 + 136z16a−42−16z16a−44 + z16a−46−170544z15a−31−116280z15a−33 + 38760z15a−35−11628z15a−37 + 3060z15a−39−680z15a−41 + 120z15a−43−15z15a−45 + z15a−47 + 490314z14a−30 + 374034z14a−32−77520z14a−34 + 27132z14a−36−8568z14a−38 + 2380z14a−40−560z14a−42 + 105z14a−44−14z14a−46 + z14a−48 + 203490z13a−31 + 125970z13a−33−50388z13a−35 + 18564z13a−37−6188z13a−39 + 1820z13a−41−455z13a−43 + 91z13a−45−13z13a−47 + z13a−49−497420z12a−30−371450z12a−32 + 75582z12a−34−31824z12a−36 + 12376z12a−38−4368z12a−40 + 1365z12a−42−364z12a−44 + 78z12a−46−12z12a−48 + z12a−50−167960z11a−31−92378z11a−33 + 43758z11a−35−19448z11a−37 + 8008z11a−39−3003z11a−41 + 1001z11a−43−286z11a−45 + 66z11a−47−11z11a−49 + z11a−51 + 352716z10a−30 + 260338z10a−32−48620z10a−34 + 24310z10a−36−11440z10a−38 + 5005z10a−40−2002z10a−42 + 715z10a−44−220z10a−46 + 55z10a−48−10z10a−50 + z10a−52 + 92378z9a−31 + 43758z9a−33−24310z9a−35 + 12870z9a−37−6435z9a−39 + 3003z9a−41−1287z9a−43 + 495z9a−45−165z9a−47 + 45z9a−49−9z9a−51 + z9a−53−167960z8a−30−124202z8a−32 + 19448z8a−34−11440z8a−36 + 6435z8a−38−3432z8a−40 + 1716z8a−42−792z8a−44 + 330z8a−46−120z8a−48 + 36z8a−50−8z8a−52 + z8a−54−31824z7a−31−12376z7a−33 + 8008z7a−35−5005z7a−37 + 3003z7a−39−1716z7a−41 + 924z7a−43−462z7a−45 + 210z7a−47−84z7a−49 + 28z7a−51−7z7a−53 + z7a−55 + 50388z6a−30 + 38012z6a−32−4368z6a−34 + 3003z6a−36−2002z6a−38 + 1287z6a−40−792z6a−42 + 462z6a−44−252z6a−46 + 126z6a−48−56z6a−50 + 21z6a−52−6z6a−54 + z6a−56 + 6188z5a−31 + 1820z5a−33−1365z5a−35 + 1001z5a−37−715z5a−39 + 495z5a−41−330z5a−43 + 210z5a−45−126z5a−47 + 70z5a−49−35z5a−51 + 15z5a−53−5z5a−55 + z5a−57−8568z4a−30−6748z4a−32 + 455z4a−34−364z4a−36 + 286z4a−38−220z4a−40 + 165z4a−42−120z4a−44 + 84z4a−46−56z4a−48 + 35z4a−50−20z4a−52 + 10z4a−54−4z4a−56 + z4a−58−560z3a−31−105z3a−33 + 91z3a−35−78z3a−37 + 66z3a−39−55z3a−41 + 45z3a−43−36z3a−45 + 28z3a−47−21z3a−49 + 15z3a−51−10z3a−53 + 6z3a−55−3z3a−57 + z3a−59 + 680z2a−30 + 575z2a−32−14z2a−34 + 13z2a−36−12z2a−38 + 11z2a−40−10z2a−42 + 9z2a−44−8z2a−46 + 7z2a−48−6z2a−50 + 5z2a−52−4z2a−54 + 3z2a−56−2z2a−58 + z2a−60 + 15za−31 + za−33za−35 + za−37za−39 + za−41za−43 + za−45za−47 + za−49za−51 + za−53za−55 + za−57za−59 + za−61−16a−30−15a−32
The A2 invariant Data:T(31,2)/QuantumInvariant/A2/1,0
The G2 invariant Data:T(31,2)/QuantumInvariant/G2/1,0

[edit] "Similar" Knots (within the Atlas)

Same Alexander/Conway Polynomial: {}

Same Jones Polynomial (up to mirroring, q\leftrightarrow q^{-1}): {}

[edit] Vassiliev invariants

V2 and V3: (120, 1240)

[edit] Khovanov Homology

The coefficients of the monomials trqj are shown, along with their alternating sums χ (fixed j, alternation over r). The squares with yellow highlighting are those on the "critical diagonals", where j−2r = s + 1 or j−2r = s−1, where s = 30 is the signature of T(31,2). Nonzero entries off the critical diagonals (if any exist) are highlighted in red.   
\ r
  \  
j \
012345678910111213141516171819202122232425262728293031χ
93                               1-1
91                                0
89                             11 0
87                                0
85                           11   0
83                                0
81                         11     0
79                                0
77                       11       0
75                                0
73                     11         0
71                                0
69                   11           0
67                                0
65                 11             0
63                                0
61               11               0
59                                0
57             11                 0
55                                0
53           11                   0
51                                0
49         11                     0
47                                0
45       11                       0
43                                0
41     11                         0
39                                0
37   11                           0
35                                0
33  1                             1
311                               1
291                               1
Integral Khovanov Homology

(db, data source)

  
\dim{\mathcal G}_{2r+i}\operatorname{KH}^r_{\mathbb Z} i = 29 i = 31
r = 0 {\mathbb Z} {\mathbb Z}
r = 1
r = 2 {\mathbb Z}
r = 3 {\mathbb Z}_2 {\mathbb Z}
r = 4 {\mathbb Z}
r = 5 {\mathbb Z}_2 {\mathbb Z}
r = 6 {\mathbb Z}
r = 7 {\mathbb Z}_2 {\mathbb Z}
r = 8 {\mathbb Z}
r = 9 {\mathbb Z}_2 {\mathbb Z}
r = 10 {\mathbb Z}
r = 11 {\mathbb Z}_2 {\mathbb Z}
r = 12 {\mathbb Z}
r = 13 {\mathbb Z}_2 {\mathbb Z}
r = 14 {\mathbb Z}
r = 15 {\mathbb Z}_2 {\mathbb Z}
r = 16 {\mathbb Z}
r = 17 {\mathbb Z}_2 {\mathbb Z}
r = 18 {\mathbb Z}
r = 19 {\mathbb Z}_2 {\mathbb Z}
r = 20 {\mathbb Z}
r = 21 {\mathbb Z}_2 {\mathbb Z}
r = 22 {\mathbb Z}
r = 23 {\mathbb Z}_2 {\mathbb Z}
r = 24 {\mathbb Z}
r = 25 {\mathbb Z}_2 {\mathbb Z}
r = 26 {\mathbb Z}
r = 27 {\mathbb Z}_2 {\mathbb Z}
r = 28 {\mathbb Z}
r = 29 {\mathbb Z}_2 {\mathbb Z}
r = 30 {\mathbb Z}
r = 31 {\mathbb Z}_2 {\mathbb Z}

[edit] Computer Talk

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T(29,2)

T(8,5)

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