Mathematics
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HJRW's user avatar
HJRW's user avatar
HJRW
  • Member for 13 years, 2 months
  • Last seen this week
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2,704
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22
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2
questions
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217
Score
20
Posts
83
Posts %
113
Score
4
Posts
17
Posts %
70
Score
1
Posts
4
Posts %
39
Score
1
Posts
4
Posts %
39
Score
1
Posts
4
Posts %
29
Score
1
Posts
4
Posts %
Top posts
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All Questions Answers
Score Newest
answer
70
$|G|>2$ implies $G$ has non trivial automorphism
Oct 30, 2010
answer
39
subgroups of finitely generated groups with a finite index
Dec 6, 2010
answer
29
Finding subgroups of a free group with a specific index
Nov 10, 2010
question
15
A space of ideals
Mar 22, 2012
answer
9
Epimorphism from GL(2,Z) to GL(2,Z)
Jan 12, 2011
answer
8
Finite generation in amalgamated free products
Oct 3, 2010
answer
8
Fundamental group of mapping torus?
May 17, 2011
answer
8
Index of certain subgroups of the free group $F_2$
Jun 22, 2011
question
7
If G is fully residually cyclic, does G have at most one subgroup of each finite index?
Dec 1, 2010
answer
7
Subgroups - Klein bottle
Oct 11, 2010
Top network posts
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46
Most interesting mathematics mistake?
43
What are some of the big open problems in 3-manifold theory?
39
finite generated group realized as fundamental group of manifolds
36
What are your favorite instructional counterexamples?
33
Can a connected planar compactum minus a point be totally disconnected?

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