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6 votes
1 answer
441 views

Making additive envelopes of monoidal categories monoidal

I have a monoidal category $(\mathcal{C},\otimes)$ enriched over abelian groups, for which I want to take the additive envelope $\mathcal{M}at\,\mathcal{C}$. (This is defined as the category with obje …
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6 votes
1 answer
241 views

Does there always exist a sequence of handle moves between handle decompositions that does n...

Reference request: Firstly, I'm looking for a proof of the following well-known result about handle decompositions: ($\ast$) Given two handle decompositions of a smooth $n$-manifold $M$, there exi …
Josh's user avatar
  • 365