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Results tagged with at.algebraic-topology
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user 22002
Homotopy theory, homological algebra, algebraic treatments of manifolds.
6
votes
Is Mac Lane still the best place to learn category theory?
I found the Catsters on YouTube divinely useful.
John Baez, in his not so weekly blog, inspiring.
The n-category cafe, to keep you going.
Eugenia Cheng's notes on category theory was tremendously u …
5
votes
1
answer
534
views
is there a universal property that characterises the join of two categories?
Let A & B be two categories, the join A*B is created by stipulating its class of object is the disjoint union of the objects of A & B, the morphisms remain the 'same', but we throw in an extra morphi …
- 2,083