COMPUTATIONAL PROBLEMS IN ABSTRACT ALGEBRA.
COMPUTATIONAL PROBLEMS IN ABSTRACT ALGEBRA.
COMPUTATIONAL PROBLEMS IN ABSTRACT ALGEBRA.
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348 J. H. Conway<br />
3 and 4 string links to 9 crossings<br />
Link<br />
Z&2<br />
.1<br />
2,2,2-<br />
2,2,2+<br />
4,222<br />
31,2,2<br />
2,2,2+ +<br />
c&2> (2, 2)<br />
.3<br />
.2:20<br />
4,2,2-<br />
3 1,2,2-<br />
@,a c&2-)<br />
c&2) - c&2)<br />
29% 2, 2<br />
2,2,2,2-<br />
2,2,2,2--<br />
2 1 2,2, 2<br />
21 11,2,2<br />
3,2,2,2<br />
21,2,2,2<br />
4,2,2+<br />
3 1,2,2+<br />
2,2,2+++<br />
(2,2+)(2,2)<br />
(292) 1 C&2)<br />
.211<br />
.21:2<br />
. c&2)<br />
212,2,2-<br />
21 11,2,2-<br />
3,2,2, 2-<br />
2 1,2,2,2-<br />
3,2,2,2- -<br />
(2,2+j (2,2-j<br />
(2,21-I-(2, 2)<br />
.a 2-I<br />
. - c&2)<br />
2,2, 2, 2+<br />
+1+1+1<br />
W> - id M{4<br />
0 0 0<br />
+1+1-1<br />
(4 is) 01<br />
- {r-?sf}<br />
+1+1-1<br />
{r> Id it)- {r-14<br />
+2+1-t-1<br />
i2+1+1<br />
VWr4 - PI {sl it>) - (4<br />
kW4 - G-1 1.4 01) - 01<br />
+1+1+1<br />
+2+2 0<br />
Tl 0 0<br />
Ofl-1<br />
+2+1-1<br />
WF2{rl{sl ItI<br />
W W V’t> + 6-1 @I (4<br />
W if-> 49 PI<br />
- it> - G-> Is> (4 {r4<br />
-{r-W?}<br />
+2+1-1<br />
{f}- {rs} {r-‘sf}<br />
f2 0<br />
+2+2<br />
+l+l<br />
0<br />
0<br />
0 0+1+-l<br />
- w (4 14<br />
W (4 (4 + 13 {rd W<br />
{rsfu-rs-lt-lu}-{r}{s}{t}{u}<br />
+ 1-F 1 0 Of 1 - 1 (rt-‘} {su-~}- {rs-‘} {rzf}<br />
+1+1 0 0+1+1 {mu-rs-‘t-‘u}<br />
o-i-1-1<br />
09 WWlO+ b-> 14 ON - (4<br />
0+1-1 - {r> {4(W’O + {r> Is> it>) - (0<br />
+1+1-1<br />
(1 - {r*}){r-‘sf)+ {r} {s} {t} {r*}<br />
+1+1+1<br />
+2+1-1<br />
W4 - (4 W - HW 01<br />
(r} {s} {f} {r%}- {r-W><br />
i-2+1-1<br />
flfl-1<br />
W({rl{s> {tl - {r-W) + (4<br />
2(r) {s} {t}- {r-lst}<br />
0+2 0<br />
0 0 0<br />
t-1 0 0<br />
-I-2+1-1<br />
- (4 1s) 14 - W2{4 {rW<br />
14 61 W + WW {G<br />
w~~~*~4<br />
-{r}z{s}z{t)-{r~zs~t}<br />
0 0 0<br />
0+1+1<br />
- WY4 if><br />
09 Is> W?+ W<br />
0+1+1 (f) - {r} {s} {rsf -‘}<br />
+1+1+1 {r*~(W - b-1 (4 +I) - btj<br />
+1+1-1 {r} {Psf}- {rsf} - {r} {s} {f}<br />
+1+1-1 - {r} (s-‘f}- {r-%f}<br />
0 0 0 W {d (4<br />
0+2 0 - b-1 (4 {r*4<br />
f2 0 0 0 {r}z{f} (r-5)<br />
0 0 0<br />
+ 1 + 1 0 0+ 1 - 1 (rf-‘} {.su-~} --{Kv-~} {fu}+<br />
WW PI h><br />
Enumeration of knots and links<br />
10 crossing alternating knots. Basic polyhedron l*<br />
T knot s 60 A<br />
120 82 r 17/8 [9-4<br />
119 712 r 2318 [-3+3-3+3-l<br />
102 64 r 2516 [13-6<br />
122 613 r 2717 [-7+7-3<br />
117 61 12 r 33/13 [5-5+5-3+1<br />
81 532 r 37/16 [7-7+6-2<br />
78 5212 r 43/16 [-15+11-3<br />
121 514 r 2916 [5-5+5-2<br />
101 5 113 r 39/11 [-7+7-5+3-l<br />
108 51112 r 45117 [17-11+3<br />
80 433 r 43/13 [-13+11-4<br />
24 4312 r 47/17 [-ll+lO-6+2<br />
74 4222 r 53/22 [23-13+2<br />
68 42112 r 57/22 [13-12+8-2<br />
106 4132 r 43119 r-9+9-6+2<br />
79 4123 r 47114 I-15+12-4<br />
37 4114 f 4119 [9-7+5-3+1<br />
67 41122 r 55/23 r-19+14-4<br />
107 41113 r 51/14 [-ll+ll-7+2<br />
77 352 r 35/16 [-11+9-3<br />
66 3412 r 45/16 [9-9+7-2<br />
76 3313 r 49/13 [13-10+6-2<br />
20 33112 r 59/23 [-15+13-7+2<br />
65 3232 r 55124 [-19+14-4<br />
61 32212 r 65/24 [17-14+8-2<br />
71 32113 r 61/17 [17-13+7-2<br />
16 321112 r 71/27 [-19+16-8+2<br />
105 3 13 12 r 53/19 [19-13+4<br />
62 31222 r 63/26 [-17+15-7+1<br />
60 312112 r 67126 r-25+17-4<br />
21 31132 r 57/25 [21-14+4<br />
58 311122 r 69/29 [19-15+8-2<br />
22 311113 f 65/18 [25-16+4<br />
104 2512 r 37/13 [13-9+3<br />
52 2422 r 49/20 [21-12+2<br />
51 24112 r 51/20 r-19+13-3<br />
15 2332 f 53/23 [19-13+4<br />
49 23122 r 59/25 [-21+15-4<br />
48 22312 r 61/22 [15-13+8-2<br />
11 222112 r 75/29 r-21+17-8+2<br />
41 221212 r 71/26 r-21+17-7+1<br />
3 2211112 r 81/31 [27-19+7-l<br />
14 212212 f 73127 [23-17+7-l<br />
43 2121112 r 79/30 r-25+19-7+1<br />
1 21111112 f 89/34 [31-21+7-l<br />
349