Mathematics
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Exodd
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Score Newest
question
82
Probability for an $n\times n$ matrix to have only real eigenvalues
Jul 27, 2020
answer
38
Do Fibonacci numbers form a complete residue system in every modulus?
Dec 10, 2017
answer
19
prove that $ab=1$ implies $ba=1$.
Oct 19, 2014
answer
16
Find the norm of the operator $Ax(t)=x(\sqrt{t})$
May 9, 2017
question
12
An invertible matrix is orthogonal if and only if the inverse is equal to the transpose on nonzero elements
Jul 19, 2022
answer
11
Some interesting observations on a sum of reciprocals
Aug 7, 2018
answer
11
Is the aim of this Tic-Tac-Toe puzzle possible to achieve?
Jul 6, 2018
answer
10
Can the plane be covered by open disjoint one dimensional intervals?
Dec 31, 2020
answer
10
Prove that every connected graph of all whose vertices have even degree contain no bridges.
Sep 27, 2014
answer
8
Does this set contain an infinite number of prime numbers?
Jun 3, 2016
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Should moderators intervene when the accepted answer is blatantly wrong?
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What’s the link between “The Amazing Maurice” and the Tiffany Aching books?
8
Array and __rmul__ operator in Python Numpy

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