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Results tagged with at.algebraic-topology
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user 84398
Homotopy theory, homological algebra, algebraic treatments of manifolds.
3
votes
0
answers
111
views
"Boundaries" in Free Simplicial Monoids
I suspect that this has been addressed somewhere already, but I cannot find anything. Let $\hat{\Delta}$ denote simplicial sets, and $Mon\hat{\Delta}$ simplicial monoids. There is a forgetful functor …
- 713
4
votes
1
answer
284
views
A cochain complex using degeneracy maps
In constructing singular homology for a topological space, the boundary operator for the singular chain complex is given as an alternating sum of face maps. The degeneracy maps seem to be discarded in …
- 713