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David C
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What my colleagues think I do: category theory. What my friends think I do: calculus. What I think I do: algebraic topology. What I really do: linear algebra.
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50
Atiyah's paper on complex structures on $S^6$
Oct 31, 2016
35
Non-stably trivial bundle with trivial characteristic classes
Nov 18, 2012
28
Simply connected finite CW-complex with only finitely many nontrivial homotopy and homology groups
May 24, 2015
24
Mapping class groups in high dimension
Oct 1, 2015
23
Solving algebraic problems with topology
Jun 1, 2015
21
Cobordism of orbifolds?
Dec 5, 2012
20
What are examples when the equality of some invariants is good enough in algebraic topology?
Sep 18, 2015
19
When does the free loop space fibration split?
May 28, 2015
18
Is there a "geometric" intuition underlying the notion of normal varieties?
Dec 27, 2012
18
A question on connected sum of compact manifolds
Oct 31, 2017