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On my personal web, I am working on a page titled differential cohomology in an (oo,1)-topos – Examples.
So far, I have been spelling out here in some detail how the ordinary notion of Deligne cohomology/Cheeger-Simons differential characters aka “bundle -gerbes with connection” drops out from the abstract -topos-theoretic definition of differential cohomology, applied to the topos of Lie-infinity groupoids.
Specifically, I have been focusing on an expositional section that discusses just the case of ordinary -principal bundles with connection in this light.
Eventually I am hoping to find some -testers of these writeups. Maybe it’s at too early a stage, since I need to polish various things. But since I have to run now and do something else, I thought: why not drop a mentioning of this on the Forum?
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