# HG changeset patch # User Kevin Walker # Date 1306963059 21600 # Node ID 966a571daa10f6bf289453606ccd7bace11b99ce # Parent c5a33223af00fa08519ff6fa4e126f6b8d7883fd added remark on super algebra diff -r c5a33223af00 -r 966a571daa10 blob to-do --- a/blob to-do Wed Jun 01 15:04:31 2011 -0600 +++ b/blob to-do Wed Jun 01 15:17:39 2011 -0600 @@ -14,11 +14,6 @@ * ** new material in colimit section needs a proof-read -* In the appendix on n=1, explain more about orientations. Also say -what happens on objects for spin manifolds: the unique point has an -automorphism, which translates into a involution on objects. Mention -super-stuff. [partly done] - * should probably allow product things \pi^*(b) to be defined only when b is appropriately splittable diff -r c5a33223af00 -r 966a571daa10 blob_changes_v3 --- a/blob_changes_v3 Wed Jun 01 15:04:31 2011 -0600 +++ b/blob_changes_v3 Wed Jun 01 15:17:39 2011 -0600 @@ -24,6 +24,7 @@ - reduced intermingling for the various n-cat definitions (plain, enriched, A-infinity) - strengthened n-cat isotopy invariance axiom to allow for homeomorphisms which act trivially elements on the restriction of an n-morphism to the boundary of the ball - more details on axioms for enriched n-cats +- added details to the construction of traditional 1-categories from disklike 1-categories (Appendix C.1) - diff -r c5a33223af00 -r 966a571daa10 text/appendixes/comparing_defs.tex --- a/text/appendixes/comparing_defs.tex Wed Jun 01 15:04:31 2011 -0600 +++ b/text/appendixes/comparing_defs.tex Wed Jun 01 15:17:39 2011 -0600 @@ -70,6 +70,10 @@ the nontrivial spin homeomorphism from $B^1$ to itself which covers the identity gives an order 2 automorphism of $c(\cX)^1$. There is a similar involution on the objects $c(\cX)^0$. +In the case where there is only one object and we are enriching over complex vector spaces, this +is just a super algebra. +The even elements are the $+1$ eigenspace of the involution on $c(\cX)^1$, +and the odd elements are the $-1$ eigenspace of the involution. For 1-categories based on $\text{Pin}_-$ balls, we have an order 4 antiautomorphism of $c(\cX)^1$.