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1352 |
1352 |
1353 We can define marked pinched products $\pi:E\to M$ of marked balls analogously to the |
1353 We can define marked pinched products $\pi:E\to M$ of marked balls analogously to the |
1354 plain ball case. |
1354 plain ball case. |
1355 Note that a marked pinched product can be decomposed into either |
1355 Note that a marked pinched product can be decomposed into either |
1356 two marked pinched products or a plain pinched product and a marked pinched product. |
1356 two marked pinched products or a plain pinched product and a marked pinched product. |
1357 \nn{should maybe give figure} |
1357 %\nn{should maybe give figure} |
1358 |
1358 |
1359 \begin{module-axiom}[Product (identity) morphisms] |
1359 \begin{module-axiom}[Product (identity) morphisms] |
1360 For each pinched product $\pi:E\to M$, with $M$ a marked $k$-ball and $E$ a marked |
1360 For each pinched product $\pi:E\to M$, with $M$ a marked $k$-ball and $E$ a marked |
1361 $k{+}m$-ball ($m\ge 1$), |
1361 $k{+}m$-ball ($m\ge 1$), |
1362 there is a map $\pi^*:\cM(M)\to \cM(E)$. |
1362 there is a map $\pi^*:\cM(M)\to \cM(E)$. |