text/deligne.tex
changeset 386 40df54ede7fe
parent 381 84bcc5fdf8c2
child 400 a02a6158f3bd
equal deleted inserted replaced
385:b1da2a454ee7 386:40df54ede7fe
   193 				 \stackrel{f_1}{\to} \bc_*(R_2\cup M_2) \stackrel{\id\ot\alpha_2}{\to}
   193 				 \stackrel{f_1}{\to} \bc_*(R_2\cup M_2) \stackrel{\id\ot\alpha_2}{\to}
   194 				 \cdots  \stackrel{\id\ot\alpha_k}{\to} \bc_*(R_k\cup N_k)
   194 				 \cdots  \stackrel{\id\ot\alpha_k}{\to} \bc_*(R_k\cup N_k)
   195 				 \stackrel{f_k}{\to} \bc_*(N_0)
   195 				 \stackrel{f_k}{\to} \bc_*(N_0)
   196 \]
   196 \]
   197 (Recall that the maps $\id\ot\alpha_i$ were defined in \nn{need ref}.)
   197 (Recall that the maps $\id\ot\alpha_i$ were defined in \nn{need ref}.)
   198 \nn{issue: haven't we only defined $\id\ot\alpha_i$ when $\alpha_i$ is closed?}
   198 \nn{need to double check case where $\alpha_i$'s are not closed.}
   199 It is easy to check that the above definition is compatible with the equivalence relations
   199 It is easy to check that the above definition is compatible with the equivalence relations
   200 and also the operad structure.
   200 and also the operad structure.
   201 We can reinterpret the above as a chain map
   201 We can reinterpret the above as a chain map
   202 \[
   202 \[
   203 	p: C_0(FG^n_{\ol{M}\ol{N}})\ot \hom(\bc_*(M_1), \bc_*(N_1))\ot\cdots\ot\hom(\bc_*(M_k), \bc_*(N_k))
   203 	p: C_0(FG^n_{\ol{M}\ol{N}})\ot \hom(\bc_*(M_1), \bc_*(N_1))\ot\cdots\ot\hom(\bc_*(M_k), \bc_*(N_k))