equal
deleted
inserted
replaced
56 just erasing the blob from the picture |
56 just erasing the blob from the picture |
57 (but keeping the blob label $u$). |
57 (but keeping the blob label $u$). |
58 |
58 |
59 Note that the skein space $A(X)$ |
59 Note that the skein space $A(X)$ |
60 is naturally isomorphic to $\bc_0(X)/\bd(\bc_1(X))) = H_0(\bc_*(X))$. |
60 is naturally isomorphic to $\bc_0(X)/\bd(\bc_1(X))) = H_0(\bc_*(X))$. |
61 This is Property \ref{property:skein-modules}, and also used in the second |
61 This is Theorem \ref{thm:skein-modules}, and also used in the second |
62 half of Property \ref{property:contractibility}. |
62 half of Property \ref{property:contractibility}. |
63 |
63 |
64 Next, we want the vector space $\bc_2(X)$ to capture `the space of all relations |
64 Next, we want the vector space $\bc_2(X)$ to capture `the space of all relations |
65 (redundancies, syzygies) among the |
65 (redundancies, syzygies) among the |
66 local relations encoded in $\bc_1(X)$'. |
66 local relations encoded in $\bc_1(X)$'. |