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Oct 17, 2012 at 19:29 comment added Dustin Cartwright Presumably the idea goes back a long time. As Sam explains it, the blow-up procedure corresponds to barycentric subdivision of the dual complex, which is a certainly a standard construction when working with simplicial complexes.
Oct 17, 2012 at 18:05 comment added A. Pascal Thanks. Presumably this a standard construction?
Oct 17, 2012 at 18:04 vote accept A. Pascal
Oct 17, 2012 at 14:02 history answered Dustin Cartwright CC BY-SA 3.0