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Mathematics
Mikko Korhonen's user avatar
Mikko Korhonen's user avatar
Mikko Korhonen's user avatar
Mikko Korhonen
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125
Prove that $\sqrt 2 + \sqrt 3$ is irrational
Jul 25, 2013
117
How to show that the commutator subgroup is a normal subgroup
May 6, 2012
88
Does every Abelian group admit a ring structure?
Dec 22, 2011
65
Is a finite group uniquely determined by the orders of its elements?
Mar 28, 2014
57
Is there an idempotent element in a finite semigroup?
Apr 6, 2013
36
Conjugate subgroup strictly contained in the initial subgroup?
Feb 10, 2012
32
More than 99% of groups of order less than 2000 are of order 1024?
Nov 20, 2012
30
When does every group with order divisible by $n$ have a subgroup of order $n$?
Feb 28, 2012
28
Upper bounds on the size of $\operatorname{Aut}(G)$
Feb 13, 2012
28
When is the group of units in $\mathbb{Z}_n$ cyclic?
Apr 26, 2013
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Latex not rendering in Opera
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Applications of Frobenius theorem and conjecture
18
Lower bounds on the number of elements in Sylow subgroups
12
Order of products of elements in symmetric groups
11
What are the automorphism groups of direct products of dihedral group D4
11
Fundamental representations and weight space dimension