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Feb 15, 2019 at 22:36 answer added John Gowers timeline score: 4
Jun 5, 2015 at 5:07 answer added Mike Shulman timeline score: 5
Jan 4, 2014 at 10:01 answer added AAK timeline score: 1
Jan 2, 2014 at 21:38 comment added David Spivak Michal, I really mean that $M'$ is a discrete monoidal category and I have a strict (or strong) monoidal functor $S: M'\to M$. I don't actually care whether or not $S$ is an inclusion.
Jan 2, 2014 at 21:37 comment added David Spivak Adeel, yes it sounds like their "orbit categories" are what I had in mind, though I want to allow many $X$'s. So, thanks! Any interest in writing it up with a reference (for posterity), so I can consider the question answered?
Jan 2, 2014 at 18:44 comment added Michal R. Przybylek David, what do you mean by "discrete monoidal subcategory"?
Jan 2, 2014 at 9:07 comment added AAK This is close to the orbit category, appearing in works of Keller and Tabuada. When $M'$ is the full subcategory spanned by the objects $X^{\otimes n}$ for some fixed $X$ and for all $n \in \mathbf{Z}$, this is the orbit category of $M$ with respect to the auto-equivalence $- \otimes X$.
Jan 2, 2014 at 6:07 comment added Will Jagy This was the closest thing Google found: wtvr.com/2013/12/09/morgan-freeman-picture
Jan 2, 2014 at 5:56 history edited David Spivak CC BY-SA 3.0
added "symmetric".
Jan 2, 2014 at 5:35 history asked David Spivak CC BY-SA 3.0