Sun, 20 Mar 2011 06:26:04 -0700 Kevin Walker small fix for def of bordism category definitions; perhaps more should be done
Tue, 15 Mar 2011 17:22:44 -0700 Kevin Walker explain why we dont require gluing to be surjective
Tue, 15 Mar 2011 17:11:47 -0700 Kevin Walker added remark that in the case of disjoint gluing the equalizer is also a fibered product
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