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DrawMorseLink

PD Presentation:

X6172 X16,7,17,8 X4,17,1,18 X10,6,11,5 X8493 X22,14,5,13 X20,12,21,11 X12,22,13,21 X14,20,15,19 X18,10,19,9 X2,16,3,15

Gauss Code:

{{1, -11, 5, -3}, {4, -1, 2, -5, 10, -4, 7, -8, 6, -9, 11, -2, 3, -10, 9, -7, 8, -6}}

Jones Polynomial:

q-3/2 - 4q-1/2 + 7q1/2 - 14q3/2 + 18q5/2 - 22q7/2 + 22q9/2 - 19q11/2 + 15q13/2 - 9q15/2 + 4q17/2 - q19/2

A2 (sl(3)) Invariant:

- q-4 + 2q-2 + 2q2 + 6q4 - q6 + 6q8 - q10 - q12 + q14 - 5q16 + 3q18 - 3q20 + 2q24 - 2q26 + q28

HOMFLY-PT Polynomial:

- a-7z - 2a-7z3 - a-7z5 + a-5z-1 + 2a-5z + 3a-5z3 + 3a-5z5 + a-5z7 - 3a-3z-1 - 2a-3z + 2a-3z3 + 3a-3z5 + a-3z7 + 2a-1z-1 + a-1z - 2a-1z3 - a-1z5

Kauffman Polynomial:

a-11z3 - a-11z5 - 2a-10z2 + 5a-10z4 - 4a-10z6 - 6a-9z3 + 12a-9z5 - 8a-9z7 - 3a-8z4 + 11a-8z6 - 9a-8z8 - 2a-7z + 8a-7z5 - 6a-7z9 - a-6 + 5a-6z2 - 10a-6z4 + 21a-6z6 - 11a-6z8 - 2a-6z10 + a-5z-1 - 4a-5z + 9a-5z3 - 10a-5z5 + 17a-5z7 - 11a-5z9 - 3a-4 + 5a-4z2 - 13a-4z4 + 21a-4z6 - 8a-4z8 - 2a-4z10 + 3a-3z-1 - 3a-3z - 6a-3z3 + 6a-3z5 + 5a-3z7 - 5a-3z9 - 3a-2 + 2a-2z2 - 9a-2z4 + 14a-2z6 - 6a-2z8 + 2a-1z-1 - a-1z - 8a-1z3 + 11a-1z5 - 4a-1z7 + 2z4 - z6

Khovanov Homology:

trqj r = -3 r = -2 r = -1 r = 0 r = 1 r = 2 r = 3 r = 4 r = 5 r = 6 r = 7 r = 8 j = 20                       1 j = 18                     3   j = 16                   6 1   j = 14                 9 3     j = 12               10 6       j = 10             12 9         j = 8           10 10           j = 6         8 12             j = 4       6 10               j = 2     3 10                 j = 0   1 4                   j = -2   3                     j = -4 1

Computer Talk. The data above can be recomputed by Mathematica using the package KnotTheory`. Following setup, the sample Mathematica session below reproduces most of the above data (Mathematica system prompts in blue, human input in red, Mathematica output in black):

In[1]:=	<< KnotTheory`
Loading KnotTheory` (version of August 30, 2005, 10:15:35)...
In[2]:=	Length[Skeleton[L]]
Out[2]=	2
In[3]:=	Show[DrawMorseLink[Link[11, Alternating, 4]]]
Out[3]=	-Graphics-
In[4]:=	PD[L = Link[11, Alternating, 4]]
Out[4]=	PD[X[6, 1, 7, 2], X[16, 7, 17, 8], X[4, 17, 1, 18], X[10, 6, 11, 5], > X[8, 4, 9, 3], X[22, 14, 5, 13], X[20, 12, 21, 11], X[12, 22, 13, 21], > X[14, 20, 15, 19], X[18, 10, 19, 9], X[2, 16, 3, 15]]
In[5]:=	GaussCode[L]
Out[5]=	GaussCode[{1, -11, 5, -3}, {4, -1, 2, -5, 10, -4, 7, -8, 6, -9, 11, -2, 3, -10, > 9, -7, 8, -6}]
In[6]:=	Jones[L][q]
Out[6]=	-(3/2) 4 3/2 5/2 7/2 9/2 q - ------- + 7 Sqrt[q] - 14 q + 18 q - 22 q + 22 q - Sqrt[q] 11/2 13/2 15/2 17/2 19/2 > 19 q + 15 q - 9 q + 4 q - q
In[7]:=	A2Invariant[L][q]
Out[7]=	-4 2 2 4 6 8 10 12 14 16 18 20 -q + -- + 2 q + 6 q - q + 6 q - q - q + q - 5 q + 3 q - 3 q + 2 q 24 26 28 > 2 q - 2 q + q
In[8]:=	HOMFLYPT[Link[11, Alternating, 4]][a, z]
Out[8]=	3 3 3 3 5 1 3 2 z 2 z 2 z z 2 z 3 z 2 z 2 z z ---- - ---- + --- - -- + --- - --- + - - ---- + ---- + ---- - ---- - -- + 5 3 a z 7 5 3 a 7 5 3 a 7 a z a z a a a a a a a 5 5 5 7 7 3 z 3 z z z z > ---- + ---- - -- + -- + -- 5 3 a 5 3 a a a a
In[9]:=	Kauffman[Link[11, Alternating, 4]][a, z]
Out[9]=	2 2 2 -6 3 3 1 3 2 2 z 4 z 3 z z 2 z 5 z 5 z -a - -- - -- + ---- + ---- + --- - --- - --- - --- - - - ---- + ---- + ---- + 4 2 5 3 a z 7 5 3 a 10 6 4 a a a z a z a a a a a a 2 3 3 3 3 3 4 4 4 2 z z 6 z 9 z 6 z 8 z 4 5 z 3 z 10 z > ---- + --- - ---- + ---- - ---- - ---- + 2 z + ---- - ---- - ----- - 2 11 9 5 3 a 10 8 6 a a a a a a a a 4 4 5 5 5 5 5 5 6 13 z 9 z z 12 z 8 z 10 z 6 z 11 z 6 4 z > ----- - ---- - --- + ----- + ---- - ----- + ---- + ----- - z - ---- + 4 2 11 9 7 5 3 a 10 a a a a a a a a 6 6 6 6 7 7 7 7 8 8 11 z 21 z 21 z 14 z 8 z 17 z 5 z 4 z 9 z 11 z > ----- + ----- + ----- + ----- - ---- + ----- + ---- - ---- - ---- - ----- - 8 6 4 2 9 5 3 a 8 6 a a a a a a a a a 8 8 9 9 9 10 10 8 z 6 z 6 z 11 z 5 z 2 z 2 z > ---- - ---- - ---- - ----- - ---- - ----- - ----- 4 2 7 5 3 6 4 a a a a a a a
In[10]:=	Kh[L][q, t]
Out[10]=	2 2 4 1 -2 3 4 3 q 4 6 6 2 10 q + 6 q + ----- + t + ----- + - + ---- + 10 q t + 8 q t + 12 q t + 4 3 2 2 t t q t q t 8 2 8 3 10 3 10 4 12 4 12 5 > 10 q t + 10 q t + 12 q t + 9 q t + 10 q t + 6 q t + 14 5 14 6 16 6 16 7 18 7 20 8 > 9 q t + 3 q t + 6 q t + q t + 3 q t + q t

Dror Bar-Natan: The Knot Atlas: The Thistlethwaite Link Table: The Link L11a4

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