VasCalc Results - ChordMod4T: Difference between revisions

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Revision as of 17:18, 30 June 2006

This page documents some computational results obtained by using the ChordsMod4T software component of the VasCalc project. We denote by A(l,m,n) the formal vector space of chord diagrams with n chords on a skeleton of l lines and m circles, modulo the 4T relations.

How A(l,m,n) is constructed

Some Dimensions of A(l,m,n)

Dimensions of chord diagram spaces with 2 chords
Number of Lines Number of Circles
0 1 2 3 4 5 6 7 8 9
0 0 2 8 27 69 145 272 469 758 1164
1 2 8 26 68 145 272 469 758 1164 1715
2 9 25 66 144 272 469 758 1164 1715 2442
3 28 63 141 271 469 758 1164 1715 2442 3379
4 69 135 267 468 758 1164 1715 2442 3379 4563
5 145 257 463 757 1164 1715 2442 3379 4563 6034
6 272 448 751 1163 1715 2442 3379 4563 6034 7835
7 469 730 1156 1714 2442 3379 4563 6034 7835 10012


Dimensions of chord diagram spaces with 3 chords
Number of Lines Number of Circles
0 1 2 3 4 5 6
0 0 3 19 92 370 1120 2778
1 3 19 88 351 1096 2768 6083
2 23 88 329 1053 2734 6073 12176
3 111 321 991 2657 6029 12166 22689
4 394 954 2524 5908 12112 22679
5 1130 2418 5664 11937 22615 39875
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