Research Article

The Height of a Class in the Cohomology Ring of Polygon Spaces

Table 1

for .

4 5 6 7 8 9 10 11 1213 14 15 16 17 18 19 20

1 2 2 66 6 6 1414
2 1 2 5 66 6 13 1414
3 2 4 66 6 12 1414
4 3 4 6611 12 1414
5 4 66 10 12 1414
6 5 6910 13 1414
7 6 8 10 10 1414
8 7810 10 1414
9 8 10 10 1414
10 910 13 1414
1110 12 1414
1211 12 1414
1312 1414
1413 1417
151416
161516
1716
1817