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Sep 17, 2019 at 22:30 comment added user108998 Unless I'm missing something the construction* of chern characters for dg categories is obviously functorial, so the associated square most be commutative? (I don't know how to identify the chern character on the A-model side btw.) *ie using Morita invariance to note HH(perf) =k[0], noting there is a unique map perf--->C taking k to an object x and letting the induced map on HH_{0} define ch(X). nb this further endows the chern character with a cyclic structure ie it descends to HC
Sep 17, 2019 at 20:49 answer added Libli timeline score: 1
Sep 16, 2019 at 17:43 history asked François CC BY-SA 4.0