Mathematics
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Ben
  • Member for 12 years, 5 months
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  • Germany
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All Questions Answers
Score Newest
answer
19
What does $\mathbf G_m$ really mean?
Oct 17, 2016
question
17
Exactness of sequences of modules is a local property
Mar 17, 2012
answer
12
Is there a smooth surjective map from a connected manifold onto a manifold with higher dimension?
Sep 23, 2020
answer
10
Why is this map a covering map of the Klein bottle?
Dec 15, 2012
answer
9
Does every even-dimensional Lie group admit a complex structure?
Sep 28, 2016
answer
8
Image of Homomorphism of Lie groups
Mar 15, 2013
answer
7
Proving that a variety of dimension zero is discrete.
Nov 1, 2016
answer
7
Which mathematicians have influenced you the most?
Mar 23, 2013
answer
6
Composition of two continuous, surjective functions, which is a covering map
May 30, 2017
answer
6
Localization commutes with arbitrary direct sums
Oct 9, 2019
Top Meta posts
1
2
14
Why do people think downvotes need explanation?
8
Are the tags "projective-spaces" and "projective-geometry" synonyms?
3
Can't self-delete unanswered question or answer from mobile device?
Top network posts
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39
What motivated Cantor to invent set theory?
18
Source for Hilbert's famous quote "Mathematics in Göttingen? There really is none anymore"
11
Trivialisation of vector bundles on Stein spaces
9
Classification of singularities of plane curves of fixed degree (reference request)
9
Is Lemma D4.5.3 in the Elephant correct? (“In a topos, weakly projective implies internally projective.”)

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