User Koen S - MathOverflow

Koen S

Member for 12 years, 8 months

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12 Answers

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5 votes

Any good reference for Tits Building?

answered Aug 31, 2011 at 9:22

5 votes

Accepted

Embedding of finite groups in Symmetric Groups

answered Jan 17, 2012 at 8:47

4 votes

Constructing a field from a spherical building

answered Nov 15, 2012 at 22:19

4 votes

Omniscient bots gathering on $\mathbb{Z}^2$

answered Nov 16, 2011 at 19:11

4 votes

Variation of Fermat's Last Theorem for n = 5

answered Aug 9, 2011 at 9:28

2 votes

query about Jacques Tits' "Uniqueness and Presentation of Kac-Moody groups over fields"

answered Nov 24, 2011 at 13:34

2 votes

Accepted

How to construct S(5,8,24)

answered Dec 23, 2011 at 13:00

2 votes

Longest element of a Weyl group

answered Sep 12, 2011 at 16:27

2 votes

About 5.4, page 54 of J.-P. Serre's Book "Trees"

answered Sep 13, 2011 at 11:57

2 votes

On duality on finite projective planes

answered Feb 11, 2013 at 18:20

2 votes

The Weyl group of $SL(2, F)$

answered May 6, 2012 at 10:39

1 vote

Good books on problem solving / math olympiad

answered Jun 20, 2012 at 20:21