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Arnaud Mortier's user avatar
Arnaud Mortier's user avatar
Arnaud Mortier's user avatar
Arnaud Mortier
  • Member for 9 years, 9 months
  • Last seen more than a month ago
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995
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16k
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17
answers
3
questions
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25
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5
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25
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17
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2
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10
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11
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10
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7
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3
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15
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6
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10
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Top posts
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All Questions Answers
Score Newest
answer
15
Spencer's "six standard deviations" theorem - better constants?
Jan 11, 2018
answer
9
Longest coinciding pair of integer sequences known
Dec 4, 2017
question
8
Group presentations where discarding generators always yields a subgroup
Mar 25, 2022
answer
8
Who first used the word "Simplex"?
Jan 9, 2018
question
6
Is there a natural, purely group-theoretic definition of the virtual braid group?
Dec 12, 2019
answer
5
The Euclidean norm and $k$ largest elements
Dec 21, 2017
answer
3
Is there an irreducible integral polynomial in two variables which is reducible for every value of one of the variables?
Jun 27, 2013
answer
3
sequence generated with polynomials
Jan 6, 2018
answer
3
Who first used the word "Homomorphism"?
Jan 11, 2018
answer
3
Finding a solution for this system of two diophantine equations (depending on a parameter)
Jan 16, 2018
Top network posts
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88
Why does adding a suitable multiple of $9$ always lead to the reverse of the number?
78
The mother of all age-of-the-captain riddles
52
Notation for an interval when you don't know which bound is greater
33
"Murder!", said the knight
32
There is only s̶i̶x̶t̶y one place he can be

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