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All Questions Answers
Score Newest
answer
27
Over which fields are symmetric matrices diagonalizable ?
Jan 12, 2013
answer
18
Is $O_n({\bf Q})$ dense in $O_n({\bf R})$?
Jan 16, 2021
answer
18
Fixed point theorems
Apr 10, 2013
answer
16
Is there an infinite group with exactly two conjugacy classes?
Nov 3, 2013
answer
14
Results true in a dimension and false for higher dimensions
Sep 15, 2014
answer
10
Can the sum of two roots of unity be a root of unity?
Apr 9, 2013
answer
8
"Inverse problem" for Brauer groups
May 17, 2013
answer
7
Which way for reading the proofs?
Mar 24, 2015
answer
6
Old books still used
Jan 10, 2013
answer
6
Elementary applications of linear algebra over finite fields
Jan 14, 2013
Top Meta posts
3
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10
Reading the titles of MathOverflow recent questions by NNTP
10
searching mathematical formulae like in Zentralblatt Math
4
list of tags in chronological order
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38
How to check in elisp if a string is a substring of another string?
33
How to select non-contiguous regions in Emacs?
24
How to perform case-sensitive query-replace?
20
Is there an explanation why the verb "aufhören" is derived from the verb "hören"?
19
How to detect if the point is within a comment area?

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