Mathematics
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24
Why is the tangent bundle orientable?
Feb 24 '15
23
Geometrically, why do line bundles have inverses with respect to the tensor product?
May 19 '15
18
Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space
Dec 9 '14
16
Is an open $n$-ball homeomorphic to $\mathbb{R}^{n}$?
Dec 18 '14
16
Embeddings are precisely proper injective immersions.
Jan 23 '15
12
Why a non-diagonalizable matrix can be approximated by an infinite sequence of diagonalizable matrices?
Dec 14 '14
11
What are examples of parallelizable manifolds, and why does parallelizable correspond to $TM$ being trivial?
Dec 16 '14
11
Show $f$ is analytic if $f^8$ is analytic
Jun 13 '14
10
Factoring $x^n+n$ over $\mathbb{Z}[x]$
Sep 18 '15
8
Show that the outward unit normal is smooth vector field
Sep 1 '15

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