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Top Questions
20
votes
Looking for a book that discusses differential topology/geometry from a heavy algebra/ category theory point of view
abstract-algebra
geometry
reference-request
category-theory
book-recommendation
asked Oct 14, 2016 at 10:47
math.stackexchange.com
13
votes
Is it possible to make any abelian group homomorphism into a linear map?
group-theory
category-theory
modules
asked Oct 28, 2016 at 16:27
math.stackexchange.com
6
votes
A smooth map which has full rank at a point is locally a submersion/immersion.
differential-geometry
continuity
asked May 9, 2017 at 13:31
math.stackexchange.com
6
votes
The set of all regular points of a smooth map is open
linear-algebra
smooth-manifolds
asked Jun 15, 2017 at 23:55
math.stackexchange.com
5
votes
Showing that every smooth section of the Mobius strip vanishes somewhere
smooth-manifolds
vector-bundles
asked Jul 31, 2017 at 10:04
math.stackexchange.com
5
votes
How to prove the existence of partitions of unity for smooth manifolds with boundary?
manifolds
smooth-manifolds
manifolds-with-boundary
asked Apr 18, 2017 at 9:34
math.stackexchange.com
Top Answers
6
Reason(s) Why the Set of Odd Permutations is Not a Subgroup of $S_n$
math.stackexchange.com
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